Quote:
Originally Posted by grivera
I'd like to hear more about this too as I have them in my engine. I always thought under pressure they would flex and be closer to the 1.5
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i have read that the 1.65 are closer to 1.7 or 1.72... but this is the first ive heard that the 1.5s are really a full 1.6. i have the HS 1.5s too & have been considering going to 1.65 for a little extra lift & duration on my E- head 467 with OF cam.
anyone else heard of this or can confirm it?