Fueling & Injection - Anybody running a fuel cooler/worth it?
LS 63 Nova
06-12-2012, 11:28 AM
I'm putting together my fuel system and considered running a trans cooler mounted along the frame rail in the -6 return line. I was hoping to counteract the heat the fuel picks up in the fuel rails and near the engine. I'm running a 255 Walbro in the tank with -8 feed and an Aeromotive regulator. Has anyone done a cooler? Opinions?
06-14-2012, 05:46 AM
I'd like to guess, that if there is a stock tank, there is enough heat dissipation once the fuel hits the main reservoir. Fuel is pretty good at transferring heat.
LS 63 Nova
06-14-2012, 09:36 AM
Thanks for your opinion Daryl. Yeah, it's a 16 gallon aftermarket Nova tank. It probably won't be necessary with that volume of fuel.
06-14-2012, 09:50 AM
I installed a heat sink style fuel cooler on a guys car that has a huge single pump on it. No problems heating fuel so far. Keep the fuel level towards full though.
I would recommend putting you fuel regulator before the rails so the fuel doesnt have to bypass through the rails and hot engine compartment. Im doing this with twin walbros on E85.
06-19-2012, 12:04 PM
Not sure what fuel you are running but with e85my rails are ice cold with reg after rails
06-22-2012, 03:43 PM
Adding a cooler can certainly do no harm
But without some testing to see if you might actually benefit or have a problem....there isnt a lot of point ?
A lot will depend on the engine bay, how hot an environment you live in etc. Certainly a single Walbro isnt going to impart much heat to the fuel.
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