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[vw_convert]

i have a 91 cooper with servo assisted brake and want to get rid of the servo
setup and just have an old style master cylinder setup will i have to change the
brake peddle to suit?

also what cr will high compression pistons take a stock 1275 to?

[Guess-Works.com]

If you're talking about cooper 21253 pistons, it should take it upto iro 10:1