Quote:
Originally Posted by jedhead
I remember my friend installing a whipple on a stock 5.0 and was pushing 8lbs with no cooling.
Bob
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H.O. 5.0's came with forged pistons from I believe 85-92. In 93 they went to hypereutectic. I broke two pistons in my 302 when I first installed my Vortech using 8-9psi (stock 3.33 pulley). I then boght another stock short block with hypereutectic pistons and broke two more. I then installed a set of Probe SRS forged pistons and have over 70,000 miles on the engine. I've also been running 11-12 psi for about a year and a half now.