Originally posted by Keyser:
Actually Taylor I was mistaken. Diamond pistons handled 23psi. The problem was that the head lifted, coolant hit the top of the hot piston and 'bam'. Broken piston.
It's great Ray that you were finally able to get your 3.0 to match the output of the 2.5. 
So when this happened...i imagine the car didn't get a full run in? What type of car was this...a cougar/contour? And why did the head lift? Were ARP head studs on the car or the stock bolts?
1999 Cougar V6 MTX
SVT UIM/LIM/65mm TB, I/H/E, Fidanza/SPEC III/Torsen, Koni/GC's, 19" Icon wheels w/ Pirelli rubber, NX Wet Kit
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