Master cylinder bore size with stock booster? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

AusTx68 · 06-05-2011, 06:18 PM

I believe I have a 1" bore size master cylinder installed. Can I install a 1 1/8 master cylinder to push a 4 wheel disk setup? Will either size work with a stock size power brake booster?

I upgraded to 4 wheel disk but still have the disk/drum setup. The CCP unit is all in one which eliminates the need for a separate prop valve. They offer it in 1" and 1 1/8". I wasn't sure what determines the size needed. If they both bolt up to the brake booster I figured I should go with 1 1/8". It pushes more right?

06-05-2011, 06:18 PM	#1
AusTx68 Registered User Join Date: Nov 2008 Location: Italy Posts: 1,278	Master cylinder bore size with stock booster? I believe I have a 1" bore size master cylinder installed. Can I install a 1 1/8 master cylinder to push a 4 wheel disk setup? Will either size work with a stock size power brake booster? I upgraded to 4 wheel disk but still have the disk/drum setup. The CCP unit is all in one which eliminates the need for a separate prop valve. They offer it in 1" and 1 1/8". I wasn't sure what determines the size needed. If they both bolt up to the brake booster I figured I should go with 1 1/8". It pushes more right? __________________ '68 C-10 SWB 383 Stroker (Sold 3/2/2013) '87 R2500 LWB 454 TBI converted to Carb Last edited by AusTx68; 06-05-2011 at 06:19 PM.



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