brake booster question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

*oldcane* · 01-23-2014, 03:26 PM

I'm sure I should already know this but I don't. I found a '69 I'm trying to work a deal on and it has power drum brakes. I'm assuming the m/c is different if I go to discs but is the booster the same? If not and I get a new one will the mounting holes line up? Thanks.

luvbowties · 01-24-2014, 01:27 AM

Booster oughta work ok. Be sure its shaft mates correctly with mc where the mc MAY or MAY NOT have a bore in its piston, in which case the booster shaft must extend beyond its mating surface to where it nearly bottoms out at the end of the bore; & vice versa.
Sam

01-23-2014, 03:26 PM	#1
oldcane Account Suspended Join Date: Oct 2013 Location: murfreesboro, tn Posts: 109	brake booster question I'm sure I should already know this but I don't. I found a '69 I'm trying to work a deal on and it has power drum brakes. I'm assuming the m/c is different if I go to discs but is the booster the same? If not and I get a new one will the mounting holes line up? Thanks.

01-24-2014, 01:27 AM	#2
luvbowties Registered User Join Date: Feb 2009 Location: southeasternfoothillsofusa Posts: 1,557	Re: brake booster question Booster oughta work ok. Be sure its shaft mates correctly with mc where the mc MAY or MAY NOT have a bore in its piston, in which case the booster shaft must extend beyond its mating surface to where it nearly bottoms out at the end of the bore; & vice versa. Sam

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