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tg300dlx · 10-11-2011, 12:08 AM

when I did my 75 I used the big calipers and the 1/2 ton master did not displace enough fluid. I had to change to a master cylinder from a heavy duty 3/4 ton. I think the GM code was for a jb7 brake system

10-11-2011, 12:08 AM	#3
tg300dlx Registered User Join Date: Dec 2010 Location: oklahoma Posts: 2	Re: 79 4x4 1/2 to 3/4 brake issues when I did my 75 I used the big calipers and the 1/2 ton master did not displace enough fluid. I had to change to a master cylinder from a heavy duty 3/4 ton. I think the GM code was for a jb7 brake system