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So, I'm pulling my engine out tor smooth out the engine bay. I was thinking that I don't want to go boosted anymore, so I'd like to get around 400 WHP if that's possible. It's only 8.5 to 1 and I wasn't sure what pistons I needed to go with. If there is an easy way to figure it out, that would be awesome. I know there are some other factors that go into it, like cam selection and rocker ratio for PTV clearance. Also I'd like to stay able to run pump gas. Oh, the car is a 90 gt, with a 331 stroker with track heat heads and an r-series intake. Thanks for the responses.
