Two manual brake conversion questions???

[Apogee]

Originally Posted by dead sailor

The ones i've seen offered with the firewall adapter were 1.06 or bigger.

And? Be wary of any company that wants to sell you any master cylinder without first asking you what you're running for brakes as the master cylinder bore size should be matched to the caliper piston area, pedal ratio and application (manual, power, hydro, etc) just for starters.

Most of the manual conversions that I've seen seem to be geared towards drag racers concerned about weight who have huge duration camshafts and therefore no vacuum. Drag cars are not particularly known for their brakes (at least not in a good way IMO) and function is regularly sacrified for weight in order to optimize straight line performance. The 1.06" master cylinder probably works fine for the application it was intended for...but that's not to say that it will work well for all applications.

HTH,
Tobin
KORE3