13.3's to 11.8's to Forget it...

Mopar Sam said

Well then, you wouldn't be out anything but gaskets.

I think you will pick up, I don't think 4 tenths.......maybe 2.

I hope you prove me wrong.

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My thoughts exactly, just gaskets to try. IF I only gain 2 tenths, then I'll learn a lot and be disappointed. slightly bigger valves, much better bowl area and smaller valve stems, I should gain compression, I just don't see 2 tenths.