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Old 03-28-2009, 09:04 PM   #7
Sport/Truck
Sierra Grande Club
 
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Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
Re: Proportioning valve rebuild kit

Quote:
Originally Posted by Green Machine View Post
Don't use mineral spirits, it will ruin the rubber parts. We took 2 old ones apart to try to get one to work for our 71. Not much luck. Best to buy a new one, I know they are expensive, but when you need to use the brakes, that is not the time to find out you saved $80. It's bad when they don't go, but it's worse when they don't stop.
I went to NAPA and Autozone and they both said they don't sell them.
s/t
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1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe.
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