Tru Trac billet-aluminum pulley and bracket kit adds a lot of class to this 572-ci big-block in a 1969 El Camino. Sensor GM 6. 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. Big-block Chevy water pumps were produced in two lengths, short and long. If you have an idiot light dash, you'll need to use the port in the head. 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. 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. 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. You may need to download version 2.0 now from the Chrome Web Store. NPT, for use on Acura®, Honda®, AMC, Chevy, Isuzu, Pontiac Part Number: NAL-15326386 Many aftermarket water pumps are more than just lightweight versions of the stock pump. (Photo Courtesy Be Cool). You can get the sending unit at most parts stores for the light style dash. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! First of all, they eliminate water pump drag on your engine. Your IP: 128.199.90.234 http://www.chevelles.com/showroom/showgallery.php/cat/500/ppuser/15214, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. 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/. Pretty sure the thread is 1/2" NPT, if not 3/8" NPT. If you’re piecing your big-block together, it may be easier to find matching pulleys from the aftermarket industry. 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. For a better experience, please enable JavaScript in your browser before proceeding. Performance & security by Cloudflare, Please complete the security check to access. A cold engine requires a richer air/fuel ratio than a hot one, and that’s why street carburetors have chokes. They keep giving me these 2 pin coolant temp sensors. That is the alternate place for the temperature sensor. Pro Stock racers do everything in their power to keep the engine cool before an assault on the quarter-mile. They use heat exchangers and portable refrigeration units in the pits to bring water temperatures down to 50 or 60 degrees F before each pass, and only run the engine long enough to drive it to the staging lanes, as required by the rules. Where is the ECT sensor (engine coolant temp sensor) is located on 2006 GMC Canyon 3. They flow more water at a higher pressure and are able to cool your hot Rat motor better than the stock pump. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. 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. If you have one there you can either modify your wiring or just swap it with the pipe plug in the head.

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