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Andres Malovos

Thanks Walt,

That’s why I went with the Wiesco one.

Image result for Wiseco Nylon Honing Brush

I don’t yet have 2″ dial indicator and bridge to measure in piston travel “.
I’ll likely get one at some stage.

OK, so what impact will expanding the squish have in terms of longevity, combustion stability.

I should also mention I have HPV 3/4 pipes, and am in California, so usually running our pump 91.