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Old 08-11-2021, 09:42 PM   #39
nvrdone
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Join Date: Dec 2011
Location: Moxee WA
Posts: 1,425
Re: Power brakes with manual transmission

I guess im just old because I dont understand what all the problem is about power brakes with a manual trans. MY booster and m/c are mounted under the floor.
Ive got a 327 with M21 4 spd in my '49, with power brakes.
I got a kit from POL that works great. Its BB T4755. Corvette m/c with prop valves. I got this kit because with adding 10 # check valves in both front & rear lines. I can still use the drum brakes front & rear until I convert to discs. The mounting bracket bolts to the stock bracket on the frame. Im using the stock brake & clutch pedal. The clutch linkage is the stock rod going forward to a dog leg on the clutch release arm. none of this micky mouse hydraulic throw out bearing stuff. just pure mechanical linkage. As far as clearance, I think the M21 is smaller than a slush box.
Admitedly it wasnt a perfect bolt in. I had to modify the brake pedal to get better pedal pressure. But it was worth the work. Also, POL was great to deal with
__________________
49 chevy 3100 3 window. 327 / m21 4 spd, 12 bolt w/ 3:55's
Bought in 1973 for $235.00. Had it longer than my wife & Kids!!

Last edited by nvrdone; 08-12-2021 at 12:26 AM. Reason: spelling
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