Quote:
Originally Posted by Stephen12ZL1
this journal is a great read! I went through all 16 pages and enjoyed your progression through the many facets of tires, wheels, suspension bits, performance, oil/water temps, etc., etc. I too had issues fitting the Dewitts radiator in my ZL1 and had to modify the fan assembly plastic dowels to make it fit. The A/C condensor did not bolt up to the radiator and I ended up rigging a metal tie strap in a similar fashion as you rigged your fan assembly. It was good for a 10 degree drop at VIR. Water temps were in the low 240s with the stock radiator and around 230 with the Dewitts unit. Of course, the boosted ZL1 was mostly to blame and ultimately reducing the boost to around 10-11 psi proved to make the most difference in temps. Thanks for this member journal as it provides valuable information that will help many people in the future!
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I'm glad you enjoyed reading it! This has also become a great place for reference for me, since I started forgetting what I've done : )
For an SS, radiator is not absolutely necessary, but that said, a 10 degree drop would help the engine keep its aggressive timing longer at the track. I wish I could log the temps with and without the radiator, so I could show the impact on an SS car.