Quote:
Originally posted by BLACK6PACK
BTW, it isn't the octane of the alky that lets you run high boost, its the drop in intake tempatures. On 18 lbs of boost and no alky I was getting almost 1800* exhaust temp. With the alky on, I was running 25 lbs of boost with 5* more timing and only running 1600*.
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I thought the alky mixing with fuel did raise the octane level. And I believe the drop in EGT's has to do with the advanced timing. Try 18psi vs. 25psi with same amount of timing.