20psi stock 5.9 carnage

fedupfab said

It's all stock. Once I'm comfortable with my tuning and I can keep a stock motor together for awhile I'll build a forged motor. But I really don't want to blow up a nice motor. This is my learning project and with that comes mistakes.

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I think that's smart. I can tell you how to not hurt the stock pistons. Run it fat. Try to avoid the temptation to lean it out makin more power......cause it WILL make more power......but....but.......well you get the picture. LOL I agree with that approach. You can always lean it out a tic and read the plugs. You'll see aluminum specks on um before somethin bad happens and you can fatten it back up. lol