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Brakebooster

Started by soundcontrol, July 15, 2020, 10:56:52 AM

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soundcontrol

Does a brake booster from a 70 Charger fit on my 70 Barracuda? Charger had drums, so does mine.

Fastmark

No, that's a 68-70 b body. You need the flatter one.

soundcontrol

Quote from: Fastmark on July 19, 2020, 07:15:57 AM
No, that's a 68-70 b body. You need the flatter one.

@Fastmark. Damn, I already bought it, in shipping now, ýou sure?
No need for OE, just function.

I looked around a lot, found this so I thought it would work...
https://www.yearone.com/Product/challenger-cuda/6374bb2


headejm

Once you receive it, try to bolt it up and see if it fits. As long as there is no installation interference, it should work. Would assume you will need new brake lines.  :cheers:

Topcat


soundcontrol

Quote from: Topcat on July 19, 2020, 09:33:32 AM
It should work if you have the offset linkage set up like Hemi's use.

E body Hemi cars use them. 

https://www.ebay.com/itm/1970-74-Mopar-Cuda-E-Body-1971-74-B-Body-OE-Style-Brake-Booster-Master-Kit/162364176993?hash=item25cda8ba61:g:TDAAAOSwfiZckQKL

Yeah, the guy I bought it from said he'll include the offset linkage.
Hope it works!  :fingerscrossed:

Can I use my brake cylinder, or are they different for a servo setup? (Just bought a new one a month ago)

6bblgt

if it is original Mopar, that's either:
  a B/C-body disc brake Bendix dual-diaphragm power booster - it has 5/16" bolts on the backside that go thru the firewall
or
  a HEMI E-body Bendix dual-diaphragm power brake booster  :bigmoney:  3/8" bolts on the backside & in a different pattern from the above booster it bolts to the offset linkage

the booster with small differences was used early '60s c-bodies. Studebakers & others



Fastmark

It may work but if it bolts up and the rod to the pedal is the correct length. B and C have different lengths. Be sure and get the linkage that fits the booster. They have different size holes.

Topcat

On my Hemi, there are these 4 spacers like the small one used on the alternator meeting between the block and  alternator.

4 of them to keep spacing correct for the lower linkage to be properly aligned.

soundcontrol

Got it today. Not a Hemi, (has 5/16 bolts).
Hmm... it's weird, the linkage I got with it does not seem to fit on the bolt to the booster.
I think that linkage is to move the whole brakebooster up from Hemi valve covers...

The bolt pattern on the booster matches the upper and lower bolts in my firewall though.
But I did not get that little linkage I see in the link that @6bblgt  posted. (pictured below, last, not mine)
I guess I need that. Will look for one here in Sweden


Mrbill426

Just a install question.  The foam gasket goes on the inside of the firewall (under the dash) right?


soundcontrol

Quote from: Mrbill426 on July 20, 2020, 01:12:27 PM
Just a install question.  The foam gasket goes on the inside of the firewall (under the dash) right?

I think that goes on the outside of the firewall, (correct me if I'm wrong though).

6bblgt

Quote from: soundcontrol on July 20, 2020, 12:45:03 PM
Got it today. Not a Hemi, (has 5/16 bolts).
Hmm... it's weird, the linkage I got with it does not seem to fit on the bolt to the booster.
I think that linkage is to move the whole brakebooster up from Hemi valve covers...

the linkage is for HEMI & the bolt size and pattern are different  :thinking:  are you installing a HEMI in your car?

:alan2cents:  find the correct parts  - in the long run it will be easier/correct (once you modifying one part to fit it starts changing everything associated
:takemymoney: & surely you can find someone in Europe that can use the b-body disc brake booster & the HEMI linkage

6bblgt

the foam gasket goes between the reinforcement plate & the booster