FAST COOLERS

We've all seen deep, finned transmission pans, differential covers, and even engine pans. Why? Because they're a great way to add additional fluid over stock and keep temperatures down. So why wouldn't the same apply for a manual transmission? Well, it does! Its just that few companies have actually integrated a way to keep manual transmissions cooler. Fortunately, there is a simple way with plenty of benefits besides mere cooling, and it comes in the form of Fast Coolers!

Fast Coolers long ago realized a simple method for providing additional fluid and increasing the strength of a manual transmission case with their larger capacity, finned Fast Coolers that each deliver (one side) an additional quart of fluid by merely swapping out the PTO Cover(s) with a Fast Cooler. Further, their built-in heat sinks dissipate heat, and optional equipment helps to keep an eye on oil color and quality.

We would recommend these on any manual transmission, but especially the ever-popular G56 found behind all 2005.5+ Cummins. These transmissions are absolutely notorious for two things, and the Fast Coolers aid in both. First, G56's have an aluminum case which causes them to have excessively loud gear rollover noise when you upgrade from the stock dual mass flywheel in favor of a solid flywheel. The easiest method to fix this is by overfilling. This would usually involve pulling the shifter boot and unbolting the access cover form within the cab, then pouring in the additional oil, but with the Fast Coolers installed, you get an extra two quarts. Secondly, because of the aluminum casing, these transmissions are notorious for cracking. The Fast Coolers provide additional rigidity to the case, reducing the likelihood of splitting the case.

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