chevy 454 coolant temp sensor location
If you’re piecing your big-block together, it may be easier to find matching pulleys from the aftermarket industry. Long-style pumps were all standard rotation until 1988, when the serpentine drive belts were introduced. What are the two sensor for in the side of the heads? NPT, for use on Acura®, Honda®, AMC, Chevy, Isuzu, Pontiac Part Number: NAL-15326386 Pretty sure the thread is 1/2" NPT, if not 3/8" NPT. Lowspeed drivability is poor only because the carb is tuned for the proper air/fuel ratio when the engine is thoroughly warmed up. The old one kept reading 160, so my gas mileage sucked. From searching I have done today it sounds like the sensor would be located on the head just below the valve cover about in the middle? Modern high-performance and racing carbs are calibrated richer than stock, and EFI systems have coolant temperature sensors that richen the fuel delivery when temps are low. A Meziere billet aluminum electric water pump bolted to the front of the engine handles coolant circulation. If you have an idiot light dash, you'll need to use the port in the head. Experience varies directly with equipment ruined. Less drag, combined with superior lubrication properties, make synthetics the oil of choice for any professional racer, (after proper engine break-in with conventional oil), and synthetic oils don’t need to be “hot” to yield maximum power from your Rat motor. i've labeled the pic for easy reference. There is no such thing as keeping the engine “too cool” for best performance, so let’s look at how your cooling system can be designed to meet that challenge. • This may be as much as 15 hp, depending on the pump and pulley system used. when engine has been running for more than a few minutes, the PCM determines a circuit fault and sets this code. An overheated engine can have far more serious consequences than just an embarrassing stop along the roadside to let things cool off—blown head gaskets, burned or tuliped valves, scuffed bores, and burnished piston rings are all possible if you keep driving when the temp gauge gets to the far side of “H.” The cooling system is usually the last thing on any performance enthusiast’s list of things to upgrade, but if you design and execute your system with a bit of forethought and knowledge, it does more than just keep you from overheating while cruising the local car show; it helps your Rat motor make more power. Can I just unbolt the plug and install a sensor or would coolant flow out, the radiator is currently empty? That used to be true when all cars had stock carburetors that were jetted as lean as possible for best fuel economy, and before the introduction of synthetic motor oils. Sender needs to match year and with or without gauges, probably available from a GOOD parts store, although they may have to order it for you. The biggest advantage of electric pumps is that the engine does not have to be running to cool off after a pass down the quarter-mile, when temperatures are at their highest. This CSR billet aluminum electric water pump is mounted on the front of a 565-ci drag racing big-block. Conventional motor oils are thick when they are cold, and the spinning crank and other internal engine parts have to wade through a pool of this thick liquid in the crankcase, so that warm, thinned oil offers less resistance than cold oil. Because the radiator is not at the highest point in the cooling system, water filling is accomplished with a Moroso extended fill tube bolted to the waterneck pad on the intake manifold. You may need to download version 2.0 now from the Chrome Web Store. I again reference the Kings of Carbureted Big-Blocks, NHRA Pro Stock racers, to illustrate the value of proper engine cooling. (Photo Courtesy Edelbrock), When you make more power, you need an improved cooling system. JavaScript is disabled. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Shut the engine off, leave the electric pump and fans running, and you’ll be ready for the next round of eliminations in a few minutes. Synthetic motor oils can provide the lubrication necessary for even the most powerful big-blocks with much less viscosity, which reduces the parasitic drag on engine components. The car has a 73 454 installed. For a better experience, please enable JavaScript in your browser before proceeding. They keep giving me these 2 pin coolant temp sensors. If you keep on livin', you're gonna get old. This Edelbrock short-style water pump fits early muscle cars and 1969–1970 Corvettes, and offers improved cooling along with less weight. it isn't the sender for the gauge, i've located that one (which doesn't work either). There is one in each head and it has one green wire coming out of it. The new aaw harness has a wire for a temp sensor on the driver side. Click the button below and we will send you an exclusive deal on this book. It’s an old wives’ tale (more likely an old husbands’ tale) that your engine has to be thoroughly warmed up to make maximum horsepower. Serpentine belt requires the use of a reverse-rotation water pump for a 1988-and-newer engine. Edelbrock pumps are available as-cast, polished, or with their chrome-like EnduraShine finish for you show-and-shine guys. If you have one there you can either modify your wiring or just swap it with the pipe plug in the head. If you liked this article you will LOVE the full book. Filed Under: Chevy Tech Tips, How to Build Killer Big-Block Chevy Engines, HOW TO BUILD KILLER BIG-BLOCK CHEVY ENGINES, How to Build Killer Big-Block Chevy Engines, GM Turbo 350 Transmission Rebuild Troubleshooting Guide, 344-409 Headers and Exhaust Guide – Step by Step, How to Rebuild Your GM Turbo 400 Transmission: Removal Guide, Big-Inch Chevy Small-Block Stroker Cheat Sheet, How to Build a Chevy Small-Block Circle Track Racing Engine: Break-In, Regular Maintenance and Teardown, 348-409 Engine Assembly Guide – Step by Step, How to Rebuild Your Big-Block Chevrolet Engine Step-by-Step: Engine Removal and Teardown, How to Choose What C2 Corvette to Restore, C3 Corvette: Upgrading Performance Cooling Systems, C2 Corvette Restoration by the Numbers: What to Look For. If you are going to use one of the aftermarket billet aluminum serpentine belt pulley sets, you must switch to a reverse-rotation pump from a 1988-or-newer big-block. (Photo Courtesy Be Cool). For the life of me I can not find a replacement one that is an exact replacement. sensor. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Chevrolet Performance 15326386 - Chevrolet Performance Coolant Temperature Sensors Compare Coolant Temperature Sensor, Brass, Natural, 3/8 in. I have a one wire sensor in between the middle ports on my 1991 V3500 with the stock TBI 454. Modern high-performance and racing carbs are calibrated richer than stock, and EFI systems have coolant temperature sensors that richen the fuel delivery when temps are low. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. If there's a sending unit on the right side head, it will probably be easier to extend the wiring along the firewall to get to it. Yup, just pop the plug and install a sensor. Here you can see a Be Cool aluminum dragster radiator mounted horizontally behind a 555-cube Rat motor. Tru Trac billet-aluminum pulley and bracket kit adds a lot of class to this 572-ci big-block in a 1969 El Camino. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Cloudflare Ray ID: 5ec945a76daed9a0 http://www.chevelles.com/showroom/showgallery.php/cat/500/ppuser/15214, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Your IP: 128.199.90.234 Performance & security by Cloudflare, Please complete the security check to access. They are even painted black to disguise their alloy origins from unsuspecting onlookers. Pro Stock racers do everything in their power to keep the engine cool before an assault on the quarter-mile. Written by Tom Dufur and Posted with Permission of CarTechBooks. SHARE THIS ARTICLE: Please feel free to share this post on Facebook / Twitter / Google+ or any automotive Forums or blogs you read. Chevy Muscle Car Tech Tips, Guides, Articles & How-To. That is the alternate place for the temperature sensor. Another way to prevent getting this page in the future is to use Privacy Pass. NPT, for use on Acura®, Honda®, AMC, Chevy… Chevrolet Performance 15326386 - Chevrolet Performance Coolant Temperature Sensors Coolant Temperature Sensor, Brass, Natural, 3/8 in. A cold engine requires a richer air/fuel ratio than a hot one, and that’s why street carburetors have chokes. Look near the thermostat housing. Many aftermarket water pumps are more than just lightweight versions of the stock pump. I have the two wire coolant temperature sensor in … Electric water pumps offer several benefits for drag racing. You can use the social sharing buttons to the left, or copy and paste the website link:  https://www.chevydiy.com/cooling-systems-guide-big-block-chevy-engines/. The 1992 Chevy 3500 temperature sensor is located on the front of the engine. Serpentine belts rotate the water pump in a counter-clockwise direction, so the water pump impellers are curved the opposite direction of standard rotation pumps. i thought it might be the coolant temp. You may be building a hot rod to serve as a home for your big-block powerplant, but for maximum performance you have to keep your cool. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more!

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