The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - For those of you who've done a power disc swap how'd you extend the pushrod???

**Baketown Scotty** · 03-21-2017, 10:39 AM

Are you sure that you have the correct intermediate pushrod for the style of master cylinder you have? The '67-'76 Corvette master has the deep bore in the back of the piston. The '77+ has the shallow bore (dimple).

I did take great care in measuring the existing rod to MC dimensions versus the new MC and got the gap down to .02''. Like Zach, I also have plenty of fluid at all four. This weekend I'll get back to it and see if I can get some pressure.

Zach - From what I have read once the e-brake is connected it needs to be used regularly to keep it adjusted.

03-21-2017, 10:39 AM	#21
Baketown Scotty Junior Member Join Date: Oct 2005 Location: Bakersfield, CA Posts: 303	Re: For those of you who've done a power disc swap how'd you extend the pushrod??? Are you sure that you have the correct intermediate pushrod for the style of master cylinder you have? The '67-'76 Corvette master has the deep bore in the back of the piston. The '77+ has the shallow bore (dimple). I did take great care in measuring the existing rod to MC dimensions versus the new MC and got the gap down to .02''. Like Zach, I also have plenty of fluid at all four. This weekend I'll get back to it and see if I can get some pressure. Zach - From what I have read once the e-brake is connected it needs to be used regularly to keep it adjusted. __________________ 1964 Chevy Suburban 4x4 1966 GMC Suburban 4x4