Just for the record, the single shim fl350 headgasket made over 200psi compression. I put the full stack back in for pump gas.
Anyone running a similar setup that cares to share jetting their jetting?
Went from a 170 main to 155 and still breaking up rich on the top end. Assume i have other issues. Edit- definitely seems as if there is still an ignition issue on the top end. Digging into it again
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