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01-17-2013 #1
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- Aug 2007
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- Albemarle, NC
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- 1,171
1968 firebird booster/master advice needed
ok, working on the basket case tonight, i discovered that the entire booster/master assembly was gone. no brackets. i did find the brake pedal, though....
car has the single piston calipers up front, prop valve n the frame, and all the lines with it. drums in the rear. dont need anything facy, pretty much a resto car.
im finding 9 inch and 11 inch options for this car, as well as a BUNCH of price points. what were looking for is one that will work, be inexpensive, and be quality. we have no core, and i dont care about having to do a little tweaking to make things work.
what cars interchange? anything up into the 80's/90's?
any good deals you know of?
what should i e using?
i have no idea what kind of manifold vacuum ill be running yet, as i dont know how radical the engine is. im not expecting too much based on the performer, 6x heads, and cast iron exhaust manifolds. so i "should" have at least 12-15 inched of idle vacuum.
so, what say you f-body guys? (im a mopar guy, new to f-bodies)
michaelMichael Crawford
1970 plymouth Duster back under construction:
https://www.pro-touring.com/showthre...uring-makeover
1987 GMC S15 https://www.pro-touring.com/showthre...ct-drivabeater
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01-17-2013 #2
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- Sep 2004
- Location
- savannah,ga
- Posts
- 862
get a repop booster and master for a disc brake car, many places sell them, MCB for one.
01-21-2013 #3
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- Aug 2012
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- Southern Oregon
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- 183
There are plenty of aftermarket pieces available that will be a direct fit for your car. A 9" booster would probably give you enough assist and leave some extra room in the engine compartment. The performance of the booster will be dependent on the amount of vacuum you have. There are ways to work around vacuum issues if need be.
01-21-2013 #4
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- Join Date
- Jan 2008
- Location
- Georgia
- Posts
- 49
My 68 had 4 wheel drums, we changed the front to disk's from a 72 Monte and I got a WS6 rear end from a 79 Trans Am, moved the spring brackets inwards a tad and used the prop valve from the TA, not to mention all TA rear ends are posi units so this got me 3:23 s out back. We changed the spindles on the front from those from the Monte but in all honesty we found no difference in the size once we pulled the factory ones out. Now they are stock but it was a pretty cheap 4 wheel disk brake job and works great! Just FYI.
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