The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 55.2-59 Frame mounted Dual chamber Master cylinder for Drum/Drum..who's done it? Who likes it

geezer#99 · 08-29-2020, 04:21 PM

Stock is usually 6 to 1.
You’re at 4.5 to 1.
Try a new hole 1 inch lower in the arm.

Vacuum resistor!
What? Why?

08-29-2020, 04:21 PM	#18
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,516	Re: Frame mounted Dual chamber Master cylinder for Drum/Drum..who's done it? Who like Stock is usually 6 to 1. You’re at 4.5 to 1. Try a new hole 1 inch lower in the arm. Vacuum resistor! What? Why?