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Do I bother to add a power brake booster???
#71623
06/11/08 07:48 PM
06/11/08 07:48 PM
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Anonymous
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Anonymous
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My 71 RR came equiped with 4 wheel manual drums. Although it stops OK, (and by that I mean sorta poor) I was considering adding a power brake booster. I know the way to go would be to do the disc conversion up front and all, but I wanted to leave it all somewhat original. The engine sports a Purple Shaft 284 duration and 484 lift cam. Would I have a vacuum problem and would I really gain anything by adding the booster? I'm sure I would also need the proportioning valve, and I assume I would also need to change my master cylinder. Finally, if I add the booster, could I use the original plate that bolts my manual master cylinder to the firewall, or do I need a new one of those also? Thanks.
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Re: Do I bother to add a power brake booster???
#71625
06/11/08 09:19 PM
06/11/08 09:19 PM
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Joined: Jan 2003
Posts: 1,051 Slidell, La.
doctor_mopar
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super stock
Joined: Jan 2003
Posts: 1,051
Slidell, La.
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Waste of time and money. Drum brakes have too many inherent problems, and poor capacity to stop, especially repeatedly and high speed. They get hot and glaze. A power booster will make them easier to push, but when they exceed their capacity to work, all the brake pressure you can put on them will not make the car stop ! Your money and effory would be much better spent on a manual disc conversion Original is nice, but a car always looks bad with the front end smashed from a couldn't stop !
------------------------ It doesn't matter what you do.........As long as you look good doing it !
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Re: Do I bother to add a power brake booster???
[Re: doctor_mopar]
#71626
06/12/08 10:01 PM
06/12/08 10:01 PM
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Anonymous
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Thanks guys. Perhaps a rethink of doing a disc swap on the front end is in order. Would I use the same Master Cylinder, I'm guessing not? Can I retain my 15x7 Ralleys? Thanks
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Re: Do I bother to add a power brake booster???
#71628
06/13/08 07:37 AM
06/13/08 07:37 AM
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Joined: Apr 2003
Posts: 824 On the open road
Hrtbkr
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Joined: Apr 2003
Posts: 824
On the open road
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I converted my Challenger from manual drums to manual discs (the magazine conversion using junk yard parts) and NEVER looked back. It seemed like the stopping distance was cut in half. I have power front discs on the GTX. It seems to me there's less "feel" when I stop and they don't actually relieve much in the way of pedal effort. I also don't like the way the booster takes up so much space in the engine compartment. If it were me, I'd spend a day in the jy and another browsing through the autoparts stores and convert to manual front discs.
While outside on the turnpike
They got this new hit tune
Where thrills become as cheap as gas
And gas as cheap as thrills
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Re: Do I bother to add a power brake booster???
[Re: Hrtbkr]
#71629
06/13/08 07:05 PM
06/13/08 07:05 PM
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Anonymous
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How's about the master cylinder and wheels question guys? Do they need to be changed if I got to a manual disc set up in front? Thanks. Nice engine compartment BTW Ronn.
Last edited by apf383; 06/13/08 07:07 PM.
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Re: Do I bother to add a power brake booster???
#71630
06/14/08 04:19 PM
06/14/08 04:19 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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you're wheels are fine & you should ch to a MC with the larger disc reservoir(the rear most one) though people have kept the orig drum MC which has less fluid capacity & had no problems & if doing that check the rear most port with a drill bit & see if it there's a spring loaded residual pressure valve in there,if so pull the brass seat & remove it.
live every 24 hour block of time like it's your last day on earth
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Re: Do I bother to add a power brake booster???
[Re: RapidRobert]
#71631
06/14/08 08:10 PM
06/14/08 08:10 PM
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Anonymous
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Thanks Robert. Perhaps I can get away with the M/C I have now. It's been on for only 3 years or so.
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