Choose top quality brands AC Delco, API, Delphi, Forecast, Standard Motor Products, TPI, Walker. The Chevy LT-1 was released in 1992 as the second generation of small-block General Motors V8s. These clips need to be totally removed since they wont fit under the new manifold. Well the outlet for the headers is right above the knock sensor on each side. Louis with the four-speed manual gearbox – better than four out of every five. Knock Sensors 15 lb ft Oil Filter. The LT1 was fitted in Chevy’s Corvette, Camaro and Caprice/Impala SS. Won't run an aftermarket catch can since they are illegal in CA, and void powertrain warranty. With a distributorless ignition or an LT1 with an Optispark ignition, this can only be accomplished electrically, which complicates matters. 7 (350) engine. Circuit Description. 0 this comes from the PCM, which generates this signal for a aftermarket tachometer. 1995-1997 vented optispark vacuum hoses 12555323. Jegs and Summit both carry decent brands and probably overlap a lot I wouldn't buy their in-house parts though. General Motors created this small block engine in the 1990s; the LT1 is still in service to this day. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. You may have to register before you can post: click the register link above to proceed. See 3 photos from 130 visitors to NIE LT1. I asked more people, still no. fans and check engine light come on after 5 seconds of start up. 16214661 Knock module - LT1 F-Body OBD-II. An easy way to test to see if the knock sensor is working is, with you or a buddy hold a timing light on the timing mark while the other lightly taps on the block buy the knock sensor with a hammer. 4th Gen LT1 F-Body Technical Aids LT1 & LT4 Knock Sensor Modules;. The acceleration and fuel mileage will start to decrease for one thing. Skip navigation Sign in. VSS sends the ECM the cars speed. What is the differance in part numbers for Knock sensors? I have part # 10456126 Installed on my engine, but broken. However, you can run TPI on Vortec heads if you use an aftermarket intake manifold from Scoggin Dickey. Leave them alone to allow easy swaps between the stock '96 PCM and the 8051. Just wanted to update this again - the latest from the OBD1 LT1 crowd at eehack/tunerpro is the ability to alter fuel injector timing. General Motors' Generation II LT1 is a small block V8 engine. But where ordinary coils develop about 15,000-40,000 volts, our performance coils can produce 50,000 volts or more, with faster rise time and increased duration, for a strong spark even at high RPMs. I have just purchased a 2012 Acadia LT1 and am having a problem with a rattle when I accelerate from a stop. Noted below are a few facts about why an engine knocks and what can be done to resolve these issues. And lately, they're getting damn cheap, too. 1993 was the last year for EPROM's in these cars. If you have any questions, please call 1-877-ADVANCE (238-2623) or visit any Advance Auto Parts store. The LT1 was fitted in Chevy's Corvette, Camaro and Caprice/Impala SS. Taxes and Registration fees: Out of state buyers are responsible for all state, county, city taxes and fees, as well as title service fees in the state that the vehicle will be registered. I did that,cleared my codes and after 20 minutes of driving I got knock sensor codes 327 and 332. The LT1 has a good reputation for reliability, except the optispark water penetration issue, which is easily fixed. In 2008, we pioneered one crank and cam signal solution for an engine to use the popular LS-series electronics. 10115875 1LE AC delete pulley. It detects any engine noises caused by detonation -- when fuel explodes in an engine's cylinder-- and adjusts ignition timing accordingly. Motorsports. 16214671 Knock module - LT1 Corvette. How much to fix LT1 Camaro? I am thinking about buying a 1996 Camaro Z28 with 138k miles for $1,000 from a friend. PCM Pinouts for all LT1 1994 to 1997. The knock sensor (above) used on the 1994-96 LT1/LT4 engines. LT1 Wiring & LT4 Wiring LS conversion wiring harnesses are awesome. lt1 For the 5. 7 L (350 cu in) Generation II engine of the same RPO, see GM LT Engine The 6. 1995 Chevrolet Corvette LT1: The Chevrolet Corvette LT1 is a coupé with 2 doors and a front mounted engine which delivers its power to the rear wheels. this happens when taking off from a stop and seems to go away at about 30 mph not sure if it is a knock. Otherwise,. 556036 Mastercraft Indmar Lt1 Ltr Crank Position Sensor Cps (44. I have just purchased a 2012 Acadia LT1 and am having a problem with a rattle when I accelerate from a stop. 94 LT1 versus 96 LT1 I have a 96 Impala that i brought without a Engine. Our 1993-1997 Camaro and Firebird plug-and-play engine harnesses are a direct replacement to the original LT1 engine wire harness when using the 1999-2002 Gen III LS-Series PCM. If the EST line is grounded, the ignition module will switch to EST, but because the line is grounded there will be no EST signal. The stock LS tach signal is 4 cylinder type signal. 3400 +/- lbs cub weight. Hello there 1994 corvette lt1. When using either of these harnesses on a 1996 or 1997 engine you must replace the coil, coil output wire and knock sensor with the parts from a 1992-1995 engine. Many tuners jump straight to this part too early. This varies from manufacturer to manufacturer. Special thanks to crackeregg for making these documents available in a digital format (saved me a lot of typing!). but now a new problem has come up their is a real bad knocking noise coming from the engine on acceleration. A bad knock sensor causes a decrease in acceleration and fuel mileage. 9% similar) These are exactly the same as Indmar part the pictures are of the actual item. While the original '92-97 LT1 was not a high-output motor, the reverse is true of LT1 crate engines from Golen Engine. This version of the. The ECM receives a signal from the Knock sensor based on the amount of engine ping detected. Additionally, I have read that you can desensitize your knock sensors by using teflon tape on the threads. The symptoms of a bad knock sensor typically occur during heavy loads or at high speeds. 16188051 94-95 LT1 PCM. Remote mirrors and cruise control, condition is unknown if working. I have a 240z that im putting in a 94 caprice LT1 motor into it. 1970 z28 lt1 rebuild I can't believe you guys saying your engine isn't knocking at WOT with 11. I also agree with the others that the knock sensor code won't cause the trouble you are having and what may really be going on is, the problem you are having is causing the knock sensor code to occur. hey everybody, I got a 94 firebird ws6 an it just started makin a knocking noise, an im just trying to figure out what it is, have heard a million things on what it could be, when you put it in drive or reverse it goes away almost like you cant hear it at all. Indmar 2006 (original brass) up 5. PRICE LIST Knock Modules 1994-2001. Optispark Problems While it worked perfectly in a lab or on bright, sunny days at GM's proving grounds, low mounting on the front of the engine meant the Opti suffered from exposure to road water, grit, and salt far more than the typical distributor. Otherwise,. Diesels generally use the G5 adapter. 94 LT1 versus 96 LT1 I have a 96 Impala that i brought without a Engine. Remember there are two PE tables, rpm and temperature, make sure they both correspond to your desired settings. Ever since the invention of the internal combustion engine detonation has loomed over engine builders, engineers, and speed demons awaiting its call to smash your dreams to tiny pieces and along with it your bank account. 2 C7 Lt1 Lt4 Super Twin Disc Clutch Kit Sc68et-7 For Sale Online. This is because its function is to sense vibrations caused by engine knock or detonation. 017" Exhaust. Modernize Your Early SBC, VI Gen BBC, TPI, LT1 / LT4 Engine Our EFI 24x™and EFI 58x™ Product Lines bring Gen III LS1 PCM control and Gen IV LS3 ECM control to these popular engines. Project Car Journals. Please review your cart before checking out to make sure that your parts are legal for use in California and other states with similar regulations. so i have tried small SBC block huggers for a 350 convertion to jeep cj but they hit the knock sensors. Husky Rack And Wire Ez Wire 20ft. You may have to register before you can post: click the register link above to proceed. General Motors' Generation II LT1 is a small block V8 engine. This is when you have "the pedal to the metal," or the throttle is fully open. The PCM uses this signal to alter the ignition timing and prevent detonation. This allows for extra noise form the valve train or headers and not think it is knock. Volant 16-18 For Toyota Tacoma 3. The knock sensor is located on the engine block, cylinder head or intake manifold. It’s easy to understand why. The knock does stop however as the accelerator is pressed, and the oil pressure increases. 0L V8 OHV 16V. In 2008, we pioneered one crank and cam signal solution for an engine to use the popular LS-series electronics. 2-liter small block V8 [UPDATE] It was refined and modified to accommodate the mounting of the engine-driven direct injection high-pressure fuel pump. Not quite, I'm kicking around engine swap ideas for the Camaro again, and the biggest thing that kept me from getting one was the possible opti spark issues. engine was totally rebuilt recently, Mild performance with Lt-4 hot cam, double springs, ported heads and ls7 rockers. Come visit us at the car shows!. Knock Sensor. for my blower car I went into the main and extended base advance Vs. The publication's Corvette Stingray long-term tester blew out its LT1 V8 engine entirely after only 6,000 miles, necessitating a complete replacement. The nameplate has been used previously in Japan, for a version of a subcompact hatchback car produced under a joint venture with Suzuki from 2001 to 2007, and was based on the Suzuki Ignis. End engine knocking at Firestone Complete Auto Care. The oxygen sensor is a key element in the engine computer system while the car is operating in closed loop system. Third time is the charm, perhaps, and the promise of 26MPG from Six-Point-Two liters. The same LT1 or the LT4. Between LT1 PCM Tuning and myself, my Formula LT1 is running great. It's not the LT4 knock sensor but the LT4 knock module that is programed/designed to be less sensitive. Jegs and Summit both carry decent brands and probably overlap a lot I wouldn't buy their in-house parts though. The compression ratio has a dramatic effect on an engines performance and the problem of knock, (where the air fuel mix prematurely ignites) is controlled to a large degree by the compression ratio. Edmunds' expert review of the Used 2011 Chevrolet Equinox provides the latest look at trim-level features and specs, performance, safety, and comfort. 1993 ECM's have the receiver circuitry built-in to the computer and have no replaceable module. The knock sensor is located on the engine block, cylinder head or intake manifold. Power windows, steering, door locks and driver seat. This data is not a comprehensive listing nor guaranteed to be accurate. 7 V8 Trans Am Z28 16214661. The greater the value the greater the amount of knock retard for a given event. 00 LS1/LS6 Stand Alone Engine Harness -Cable Throttle. I have a 1992 corvette with a LT1 and only after the tempature gets to the half way point it smells like fuel and the idle fluctates and some times stalls when i come to a stop I have replaced the idle control,map sensor and one of the knock sensors and the problem is still there and i get code 43 which is supposed to be knock sensor or electronic spark control. Which would perform better powerwise and everyday use? Is there a big difference?. I have a friend that has the same truck the tick seems to be there with his, but not near as loud. 16188051 94-95 LT1 PCM. It appeared in the Firebird, Z28 (F Body Cars), Caprice, Buick and Cadillac in 93. If you do have rod knock, when you unplug the spark plug from the affected cylinder, the noise will get much quieter. For as little as $100 shipped you can get your basic OBDI PCM settings changed ($85 for chips)! Or receive an OBDI Power Tune via email for just $150, or through the mail for $175 shipped ('92-'93 chips, just $150)!. Air Temperature Intake New TSX Element IAT RSX Acura 37880PLC004 for Sensor MDX MDX 37880PLC004 Sensor for Air IAT RSX Element Temperature Acura New Intake TSX. Loading Unsubscribe from Fazz73jr?. Camaro and Firebird: How to Replace Knock Sensor. The symptoms of a bad knock sensor typically occur during heavy loads or at high speeds. You may have to register before you can post: click the register link above to proceed. Jay Leno has the first look at the 2020 Chevrolet Corvette Stingray - Jay Leno's Garage - Duration: 7:46. Peel off the tape holding them to the wire and they'll come right off. Hard to find AC Delco Knock Sensor Modules? Just use our search engine and you'll get the right part for the right price. Many of these ECMs support being reflashed over the ALDL interface (e. This part is commonly found in Indmar engines in MasterCraft, Malibu, Supra and Moomba boats. This part threads into the block and features a wire harness connector at the other end. RPM: This is a factor that will effect how quickly knock retard is degraded once the knock counter has stopped incrementing. Recognizing the symptoms of a bad knock sensor and replacing it, may help you avoid costly repairs. Visit Our "What's New" page to get all the latest Chevrolet Performance News, Announcements, and Specials. com does it for $250. The car has not begun driving sluggish, so im confident its not something serious like a rod. A list of some of the most common symptoms of incorrectly gapped spark plugs is laid out below. Knock Sensors; NOTES: These harnesses are designed for retrofitting '14 - 18 LT1 and L83 / L86 ECOTEC3 GEN V engines and a T56/TR6060 or non-electronic automatic transmissions into older muscle cars and street rods or newer non-emissions controlled vehicles. There is no knock module that you can replace. floridanick. Motor had 91K on it when it went into the Scout, and I put less than 500 miles on it in the Scout when it popped a rod bearing. If the knock goes away, it was real. The GM ESC module is a separate knock module usually mounted on the firewall, hence the reason for me writing, "stand alone, not ECU integrated". For example, if you have lived in a rooming house for one day, one week, or one month, an. I'm not sure what to make of this. You may have to register before you can post: click the register link above to proceed. The sensor is putting out a higher than normal signal due to the trouble with the engine performance. A module has been included to bypass the vehicle anti theft system (VATS) incorporated in the computer. I had the transmission rebuilt thinking it was the flywheel or torque convertor and wasn't the problem but transmission. Yes, the knock module is located on the bottom side of the PC board of the PCM on the LT1/4 cars. it is deffinatly making a knocking noise. LT1 Wiring & LT4 Wiring LS conversion wiring harnesses are awesome. 30 - 45 miles. P0171 is a very common code for any ODB2 vehicle. There's a few interesting things about the knock: 1) It only makes the noise at idle. example, a lt1 wiring diagram from. A bad knock sensor causes a decrease in acceleration and fuel mileage. Focusing on odometer 1965 1966 mustang on sale. What is Engine Knocking? Knocking in your engine, also described as pinging, can mean one of several problems. Power is produced by an overhead valve, 5. I purchased a 2012 Cruze 1LT 3 months ago. I have replaced the Timing chain, Oil Pump, water pump, distributor, wires, plugs, heads, coil, O2 Sensors, ignition control module, all hoses, belt, cleaned the injectors, checked the fuel pressure which is fine. Every local car crazy guy I talked to said the LT1 was the engine to have and I found a 1994 iron head LT1 ad in the local paper and beat 20 other guys to it for $700 complete. its much louder and it sounds like its comming from the top end. 16188309 Knock module - LT1 95 Impala SS. The following parts should be checked for a vacuum seal, replaced as needed and definitely replaced after several years of use. The revised rocker cover rail is due to the taller intake port opening. Best Answer: Acctually the '94 LT1 Camaro Z28 is a 346ci 275hp @ 5500RPM and 350ftlbs @4500RPM. I searched around and got some LT1 specific info, then found something for the LS1 which involved cutting the two knock sensor leads from the PCM (#11 & #51), then wiring in a pair of 100K ohm resistors, one lead to PCM and one lead to ground. 00; 2005-2007 temperature oem honda vcm sensor odyssey accord harness repair civic civic repair harness 2005-2007 sensor odyssey temperature accord honda oem vcm. When your "Check Engine" light is flashing, it's time to take your vehicle to Firestone Complete Auto Care. In the LT1’s case, 11. The dealership checked it out and found the muffler which is held in place at the rear was basically swinging and contacting the corner of the aftermarket hitch creating the knocking noise. One of the guys, who's truck I have driven many times, will be the first to point out that his truck really dies off when it really starts reving up. I have a loud knocking noise coming from the engine. I can only remember a little bit about my LT1 and dont have any pictures but here is what i do remember (because i broke or replaced all of these. 94V when the output is pulled up towards 5V by the ECM (Electronic control module). Where using these codes might come in handy, is if you have a 95 iron headed motor, they will have two knock sensor on the block. It appeared in the Firebird, Z28 (F Body Cars), Caprice, Buick and Cadillac in 93. Try putting a 94/95 PCM in it, and see what happens. Noisy Valve Lifters!?!?!? a. I have replaced the Timing chain, Oil Pump, water pump, distributor, wires, plugs, heads, coil, O2 Sensors, ignition control module, all hoses, belt, cleaned the injectors, checked the fuel pressure which is fine. GM part numbers are #3921912 for 7/16" LT4 and #1255216 for 3/8" LT1. Looking at the datastream on the scan tool, we noticed the ECM was taking out 11 percent of ignition timing in knock retard and suspected that the overly sensitive LT1 knock sensors were picking. Knock Sensor - Flat Response Knock Detonation Sensor 2 Wire Flat Response LS2 LS3 LS7 Connector Pigtail for GM LS2 LS3 for 1992-1995 LT1/LT4 Engines w/ Single. I found a mounting bracket from a Pontiac that mounted to the LT1 head with a little modification. I have a 98 Indmar LT1. Knock Sensor - Flat Response Knock Detonation Sensor 2 Wire Flat Response LS2 LS3 LS7 Connector Pigtail for GM LS2 LS3 for 1992-1995 LT1/LT4 Engines w/ Single. I have a 92 Supra that's making an odd knocking noise from the engine and I can't figure out what it is. LT1 F-bodies have good looks, great performance, and huge potential. Treat it like a spark plug and replace it before it causes a problem. If your vehicle still has a consistent knocking or tapping sound, move on to Step 4. I have a disc for the optical sensors in the Optispark, that gives 8 signals (from cam rotation) for the crank sensor reading, and 1 signal (cam rotation) for the cam sync. With OBD1, the goal was to develop a diagnostics system which focuses on the emission control systems of a vehicle. GM OBD1 Pre-1996 devices: A collection of products which have been used on GM OBD1 vehicles for datalogging, reflashing, chip adaptation, chip programming, and realtime emulation. I finally have the Holley HP almost completely installed on my 93 LT1 Corvette with Optispark distributor. Our stock harnesses are 4 feet from the rear of engine passenger side. Speartech is your LS & LT wiring harness swap specialist. For immediate assistance please call us at 1-800-275-7371. 0 cu in (6,162 cc) LT1 engine debuted in the 2014 Chevrolet Corvette Stingray and is the first Generation V small block engine. They claim that roller rockers and/or headers can cause false knock. Chevrolet : Silverado 2500 LTZ*4x4*Z71*Htd Steering Wheel 8000 off duramax diesel 8 foot box ltz 4 x 4 navigation crew cab. An AC voltage monitor in the PCM is able to read this signal as knock and incrementally retard spark. AMG sells the bearing for 30 or 40 bucks and the bearing /pulley combination was 250. In 94, OBDI or EEPROM, computers were first used in the Corvette and F Body Cars. The ECM receives a signal from the Knock sensor based on the amount of engine ping detected. Motorsports. 3L and want to change the engine to a LM7 or LS1 power-plant, Speed Scene Wiring will marry the two harnesses together to make one. HEI Distributor Conversion. 2,238 results for 1997 camaro lt1 Save 1997 camaro lt1 to get e-mail alerts and updates on your eBay Feed. We offer a large selection of parts for 82-02 Camaros and Firebirds, including many hard to find items. This version of the. Otherwise, I don't remember where I heard it, but I heard of a sensor "swap" to a less sensitive knock sensor on LT1's. If you can provide additional calibrations or details, please contact me. (When an engine is under load, the vacuum is reduced. This is beneficial for the high compression LT1. Exterior color is Nassau Blue (976) in Excellent Condition as is the white soft top. Emissions and VSS can also be removed. 7 litre naturally aspirated 8 cylinder engine, with 2 valves per cylinder that produces power and torque figures of 300 bhp (304 PS/224 kW) at 5000 rpm and 461 N·m (340 lb·ft/47 kgm) at 4000 rpm. The greater the value the greater the amount of knock retard for a given event. The LT4 module is less sensitive than the LT1 module. If it's still there, it's false. Take your 'Vette to the dealership if you can't diagnose the issue. knock sensors whould be from the 02 g3500 with 5. then take a drive and it runs great drove 50 miles. Indmar Knock Sensor. If knocking occurs, use a. General Motors created this small block engine in the 1990s; the LT1 is still in service to this day. 8 is known for the intake manifold going bad. VSS = Vehicle Speed Sensor. i just had headers professionally installed and i did the rest. But where ordinary coils develop about 15,000-40,000 volts, our performance coils can produce 50,000 volts or more, with faster rise time and increased duration, for a strong spark even at high RPMs. If this is your first visit, be sure to check out the FAQ by clicking the link above. If this is your first visit, be sure to check out the FAQ by clicking the link above. Huge discounts on Wiring Corvette Chevrolet Corvette. Is the LT4 sensor less sensative? Thanks Ryan. Zip Corvette is the place to find Corvette parts for sale online. here is how to reach us for Savana 3500. The PCM uses this signal to alter the ignition timing and prevent detonation. Spun rod bearing, piston hitting the head. NOTE: OBDII Vehicles are not currently supported by every editor. Desensitize the knock sensor 94/95 LT1 If this is your first visit, be sure to check out the FAQ by clicking the link above. Motorsports. I put the motor in about 2k miles ago, and after replacing some burnt up spark plug wire (my bad), the motor is running pretty well. The greater the value the greater the amount of knock retard for a given event. 0-liter V8 LS7 is an engine produced by General Motors for use in high-performance vehicles. I have tried to list all possible wires that will show up 99-02. This allows for extra noise form the valve train or headers and not think it is knock. I'm not sure what to make of this. End engine knocking at Firestone Complete Auto Care. You cannot use an LT4 knock module on any LT1 f-body earlier than 1994. Spun rod bearing, piston hitting the head. 7l Lt1 Knock Module Camaro Z-28 Firebird Trans Am 1994 - 1995 at the best online prices at eBay!. some ticking is envisioned on an older engine, yet whilst its somewhat important and it truthfully is coming from below the valve cover - it may recommend you. good flush you have to remove both knock sensors out of the block, which. Traverse LT1 Awd-heated cloth-8 passFactory OptionsEMISSIONSEMISSIONS, FEDERAL REQUIREMENTSENGINEENGINE, 3. Fuel Injection Connection. Looks like a pretty good deal. The LT1 engine is very susceptible to vacuum leaks caused by failures of both vacuum hoses and vacuum control solenoids. Abnormal combustion, more commonly known as knock or detonation, has been the limiting factor in internal combustion engine power generation since the discovery of the otto cycle itself. The LT1 was also introduced in 92, as the basic engine in the Corvette. Great Variety of Vintage Car Parts and Accessories. This engine was not available in the 1992 model. AM/FM c/d radio. this happens when taking off from a stop and seems to go away at about 30 mph not sure if it is a knock. 1995-1997 optispark electrical harness 12130319. 00 Gen V LT1 LT4 L83 L86 Stand-Alone Harness $ 899. Went to look at a 94 RMW this evening. If the knock sensor malfunctions, detonation is not properly regulated and major engine damage can occur. Ensure PE activation around your idle speed happens at 0% TPS, and then use your low RPM PE table to affect idle fuel mixture. Hard to correlate the LT1 tables to the LS1 since the LT1 uses MAP vs RPM and the LS1 uses Cyl Airmass vs RPM. Automotive Media. Buy Wiring Corvette Chevrolet Corvette from the world's best dealers. The module interprets the data picked up by the knock sensor and the PCM retards timing as needed. Sue, I'm not sure about your engine size, but the 3. It will however be up to you, the installer, to verify you have the right combination of knock sensor module, knock sensor part number, and the number of knock sensors needed for your application. Connecting & Tuning Knock Sensors - Holley EFI If this is your first visit, be sure to check out the FAQ by clicking the link above. This page describes the installation of a GM HEI (High Energy Ignition) electronic distributor in my '74 Nova with a 350 small block. Optispark out and be up and running again. The first picture is the TPS and IAC used on the 1985-92 TPI engines. The sensor is putting out a higher than normal signal due to the trouble with the engine performance. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. Sounds to me that the knock is being caused by a lean condition. Open the coolant drain valve located in the lower left radiator end tank. Includes what wires are removed for stand alone. You do not have to take the whole cover off the computer, just take off the four or so screws holding it to the bracket. The revised rocker cover rail is due to the taller intake port opening. engine was totally rebuilt recently, Mild performance with Lt-4 hot cam, double springs, ported heads and ls7 rockers. The LT1 has absolutely NO water running through the intake manifold! Conventional cooling systems have passages in the intake manifold which allow coolant to crossover from one side of the engine to the other. In cases if the ECM is not getting the correct reading from the CTS, it may be altering the spark advance and fuel delivery to the engine incorrectly which will probably cause a lot of drivability issues such as spark knock (detonation), loss of power, or exhaust odor because of incorrect fuel mixture. Map tables and went to the 100kpa end column and adjust timing there since once in boost that is the only columnb it pulls from and tuned timing for knock on the dyno across the RPM range of the motor. I've made lots of visits to the Junkyard to try and find something I can pull myself with no luck. Knock Harness This harness allows the single-wire LS1 knock sensors located on top of the LS1 manifold to be relocated on both sides of the LS2 block and plugged into the factory LS1 PCM harness. That itself is not really a big deal. If that is correct, the electronic component to test, if your vehicle has one, is the Knock Sensor. GM designed one for the LT1 and for the LT4 due to differences in the valvetrain such as roller rockers on the LT4. this happens when taking off from a stop and seems to go away at about 30 mph not sure if it is a knock. Meet The LT1: The Corvette C7's new 6. 7 Engines (1985-1992): Excellent choice if your engine has been modified with a larger cam or higher compression and you are concerned about vacuum. Even if you own a C4 with the LT1 engine, and two sensors, the price is still cheap. The nameplate has been used previously in Japan, for a version of a subcompact hatchback car produced under a joint venture with Suzuki from 2001 to 2007, and was based on the Suzuki Ignis. I have just put my block hugger headers on, the ones from JTR, the sanderson ones. PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. Will fit 93-97 Camaro, Trans Am, Firebird, 92-96 Corvette and 94-96 Impala SS, Caprice, Roadmaster, and Fleetwood. However, almost 18,000 Sting Rays left St. If your car’s engine knocking has you stumped, stop by your nearest Firestone Complete Auto Care and let our technicians get to the bottom of the noise. Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry. AC-III™ The best looking bolt-on wheel made for Cobra replicas. 8 is known for the intake manifold going bad. Compression is set at 11. The car has not begun driving sluggish, so im confident its not something serious like a rod. When it came to its effectiveness, the OBD1 was not really that successful in forcing drivers to pass the emission control system’s test. LT1 and LT4 Knock sensor. I was also able to find the serial # stamped in the block just below the head and above the motor mount on the drivers side. Detonation is the not so silent killer of rod bearings, pistons, connecting rods, main bearings, crankshafts pretty much anything in its way. Do i need a LT4 knock module? This is a discussion on Do i need a LT4 knock module? within the LT1 forums, part of the Vehicle Specific category; I have a 97 ws6. Find ACDelco GM OE Knock Sensors 10456126 and get Free Shipping on Orders Over $99 at Summit Racing! ACDelco GM original equipment knock sensors are the GM recommended replacement for the vehicles original component. It was designed to have a very low profile under the hood compared to the earlier Tuned Port Chevy small block. I had the transmission rebuilt thinking it was the flywheel or torque convertor and wasn't the problem but transmission. I had the transmission rebuilt thinking it was the flywheel or torque convertor and wasn't the problem but transmission. Loading Unsubscribe from Fazz73jr?. Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry. Ballenger Motorsports AiM GS-Dash (SNSR-06450) for only $429. Jags that Run (JTR) sell an aftermarket VSS that screws right into speedometer cable Good for smooth deceleration and also for cruise control input on later systems. I have had it set at a idle for a hr. Volant 16-18 For Toyota Tacoma 3. Also mail order tuners offer PCMs modified to work with obd2 knock sensors. Thanks for the replies I really dont want to put it in the drain,Every time I rebuild the engine I remove the knock sensor and the built in nut spins and rounds off, have to use channel locks it remove,maybe im screwing it in to tight,but I assume its bad after it spins. The new 2020 Camaro LT1 bests the Dodge Challenger R/T and Ford Mustang GT in terms of price and torque, while almost taking the crown in terms of horsepower. The 1993 uses a different computer. Stock HP is 275 for '94 as were other early F-body LT1's, most of them I've heard pull off about 240-250 RWHp, later LT1's (96-97) were rated at 285, mostly attributed to the dual cat exhaust upgrade in 96. sensors, use either a 7/8 socket and socket wrench or an offset box-ended. for my blower car I went into the main and extended base advance Vs.