changing brake booster to manual brake - Team Camaro Tech
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post #1 of 2 (permalink) Old Dec 28th, 00, 11:31 AM Thread Starter
Join Date: Sep 2000
Posts: 4

have anyone had any luck with manual brake stopping a 67 camaro.i change from a brake booster to manual brake, because i have a victor jr intake that donot have a hole in the intake for the brake booster vac. I'm having idioing problem.when change to manual brake the problem stop.i have a stiff brake. i try a brake caniter,but could not hook it up.
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post #2 of 2 (permalink) Old Dec 28th, 00, 12:05 PM
David Pozzi
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Join Date: Nov 1999
Location: Central California, USA
Posts: 10,074

I'm having a little trouble understanding what your problem is.

If you have removed your brake booster, you must change your master cylinder to a smaller bore.
The master cylinder for a power brake system is 1 1/8"
The master cylinder for a manual brake option Camaro (it was available in 67 only) is 1" diamiter.

You didn't say if you have Discs or Drums. They use the same size master cylinders but the disc brake master cylinders have larger reservoirs and a little longer stroke.

If you want to keep your booster, drill a hole into the plenum of the manifold and tap it for a hose fitting.
Or buy a spacer plate and drill a hole into it in the rear of the carburetor for a vaccum fitting.

Check my web page for First Gen Camaro suspension info:
David's Motorsports page
First Gen Suspension Page
67 RS 327
69 Camaro Vintage Racer
65 Lola T-70 Can Am Vintage Racer
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