The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Does this new master cylinder look correct?

**michael bustamante** · 07-06-2023, 09:26 AM

prettyy sure the bore is 1 and 1/8th
your old mc is for a drum drum system
youre new one is correst
i just replaced mine too. took forever to bench bleed! lol

07-06-2023, 09:26 AM	#5
michael bustamante Senior Member Join Date: Sep 2007 Location: Albuquerque NM Posts: 7,878	Re: Does this new master cylinder look correct? prettyy sure the bore is 1 and 1/8th your old mc is for a drum drum system youre new one is correst i just replaced mine too. took forever to bench bleed! lol __________________ 1967custom