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I had Dewitts build this setup for me. It’s dual Spal brushless fans that control themselves and ramp up and down as needed for temperature. I am currently also doing a parallel coiling mod on the heads and head gaskets which is said to make a huge difference
From what I have heard it’s the best thing you can do cooking wise, before with just the fan setup the hottest I was able to get the car to was 226 in 120 degree heat so we will see. I have the heads back on already just have to finish plumbing the coolant lines from the back of the heads and will be ready to test it out.
im still running stock c6z radiator. 70h20/30%coolant mix and just installed the new prospeed fans. before i couldn't stop in traffic with AC on for anything shy 5-10 minutes at 70F outside or less. the car would overheat just idling in a driveway. When making hits it would skyrocket coolant temps to 230-235F and then slowly work down.
Since prospeed fans (only got to 85F here south la so far) car stays around 199-203F driving and idling with ac on. when making hits goes to 210 and back down in a matter a minute or two. Best money spent thus far
Doing the parallel cooling mod too, but swapping to aluminum block at same time, which should help a ton too.
can you point me in the direction of more information about this mod. I purchased a set of heads that have this done but I dont know anything about it.
can you point me in the direction of more information about this mod. I purchased a set of heads that have this done but I dont know anything about it.
You need the cometic head gaskets made of it, and then the ports on the back of the head, loop them together with a large AN line. I'll send a PM.
04-12-2018, 09:28 AM
