Large rpm drop
Measured everything myself. KB107, .060" overbore, piston .005" from deck measured with deck bridge, magnum heads cut .010" 62.5cc chamber, .039" felpro 1008 headgasket.
lol I had some downtime waiting on parts so I have a whole spreadsheet of everything imaginable
Static compression, used an online calculator, but everything seems reasonable to me after checking a few different ones.
Measured everything myself. KB107, .060" overbore, piston .005" from deck measured with deck bridge, magnum heads cut .010" 62.5cc chamber, .039" felpro 1008 headgasket.
lol I had some downtime waiting on parts so I have a whole spreadsheet of everything imaginable