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-   -   Brake Booster differences? (https://forums.maxperformanceinc.com/forums/showthread.php?t=884730)

scld1354 03-23-2026 10:35 AM

Brake Booster differences?
 
I have used Booster Dewey to restore the Delco Moraine booster on my dad's 67 GP. I am going to have the Delco Moraine booster in my 68 GP services (or replace it) and am wondering if there is anything unique about the booster on the Pontiac B body cars, vs the booster on anything else. Can I get away with a replacement like this one (SUM-760165) from Summit?

Thanks!
Jon

1969GTO 03-23-2026 11:00 AM

Good question, Looking in

gtospieg 03-24-2026 08:28 AM

And does anyone sell the diaphragm to rebuild these boosters(69 GTO booster)?

DavesGTO 03-24-2026 02:34 PM

Quote:

Originally Posted by scld1354 (Post 6608816)
I have used Booster Dewey to restore the Delco Moraine booster on my dad's 67 GP. I am going to have the Delco Moraine booster in my 68 GP services (or replace it) and am wondering if there is anything unique about the booster on the Pontiac B body cars, vs the booster on anything else. Can I get away with a replacement like this one (SUM-760165) from Summit?

Thanks!
Jon

I bought a replacement from another vendor, didn't last long. sent the original to Mike Gibbons, powerbrakebooster.com and very happy, just sayin.

mgarblik 03-25-2026 03:13 PM

Quote:

Originally Posted by DavesGTO (Post 6609029)
I bought a replacement from another vendor, didn't last long. sent the original to Mike Gibbons, powerbrakebooster.com and very happy, just sayin.

Second vote for Mike Gibbons. He really saved my bacon on my 73 SD-455 booster. I sent my perfectly working booster to booster Dewey and they completely screwed it up. The only reason I sent it was to have the exterior re-plated so it would look nicer. Of course they have to disassemble it for the plating. After a lengthy 5 month ordeal, I finally got my booster back from them in non-working condition. Mike Gibbons was gracious enough to sell me a new air valve that Booster Dewey cracked and two other pieces that were missing entirely. It is my understanding that Booster Dewey has been sold and has new owners who I would NOT recommend.


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