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Old 06-17-2020, 01:09 PM   #356
MDPotter
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Location: Western Colorado
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Re: 1968 GMC - Ol' Blue

Quote:
Originally Posted by cornerstone View Post
Thanks for the advice Potter. The one on your list that's got me thinking is the hydroboost brakes. I've already purchased the new parts for a standard power disc brake set up but I'm considering changing over before I install anything. Can you recommend any threads that you used to guide you through the parts needed?
For sure. A few pieces of advice from me:
-Not all hydroboosts are the same. Gold accumulators are for front disc/rear drum applications and silver is for disc/disc. I bought a unit off a 2008 Duramax at the junkyard and ended up selling it on Facebook at a loss because they wouldn't take it back.
-The unit develops a leak after awhile and from my research it's where the case comes in half - there's a big o-ring there. I took mine apart and put in a new one and haven't had any leaks. I got the kit from Pirate Jack (Google it) and was like $30. Sucks to pay that much for just the o-ring and have all these unused parts, but it's better than having a leak.
-Apparently hydroboosts are pretty universal in terms of parts because there are only two rebuild kits out there.
-There are lots of options for hoses. I have a lot of detailed info in my thread about what I did.
-There is very little clearance between the inner fender and steering gear, so the fittings/bends have to be really tight there.
-I fabbed up a custom firewall mount that bolted up to the brake assembly studs.

Here are threads that I read through that helped me:
http://67-72chevytrucks.com/vboard/s...d.php?t=523502
http://67-72chevytrucks.com/vboard/s...=768975&page=2
http://67-72chevytrucks.com/vboard/s...d.php?t=733949
http://67-72chevytrucks.com/vboard/s...d.php?t=347480
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1964 Chevy C10 - Gen IV 5.3 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=768632
1968 GMC C15 - Gen III 6.0 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=772047
1969 Chevy C10 - Restoration http://67-72chevytrucks.com/vboard/s...d.php?t=809184
1978 Chevy Scottsdale K20
1993 Chevy C1500 - 5.3/T56 swapped
2008 Silverado Duramax
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