The pistons in that motor are cast, not forged. If you are going to tear it down to notch the pistons, buy a set of forged pistons for a 5.0 HO. The 5.0 HO pistons are also dished with the notches. I did a little research on the 5.0 HO conversion because I'm looking for an '86-'91 Crown Victoria/Grand Marquis as a daily driver. My girlfriend is tired of driving my truck so I'm going to get a car. A Crown Victoria or Grand Marquis with a modified 5.0 HO would be the perfect sleeper. The '94-'96 Impala SS only made 220 at the rear wheels. 300 hp at the wheels should scare a few Camaros and Imports out there and there's always nitrous.
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