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Old 02-03-2003, 11:15 AM
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Post Hydraulic vs. Vacuum breaks

I Am having problems stopping my truck, running 36 inch tires. I have a friend with a one ton parts truck, and he said I could have the hydraulic assist breaks off of it if I wanted them. Would it be a good idea? Or should I stick to the vacuum assist breaks? Oh yea it is a 91 Chevy ext cab 4x4 if that matters.

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Old 02-03-2003, 06:11 PM
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Not going to help unless you aren't pulling enough vaccum with your engine for the booster to operate.
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Old 02-03-2003, 06:17 PM
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Need a bit more info. Is the engine stock? What size is the truck 1500,2500,2500HD? <img src="confused.gif" border="0">
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Old 02-03-2003, 08:07 PM
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it is a new crate engine bored 30 over KN, Headers, RV cam, Chip, with 4.11 gears. It is a 1500, but anytime i replace something, i go back with 3/4 ton hardware. Looking at going with a rear disk converson. Also in march i am going to install elderbrocks tpi conversion. Also have access to a 4l80E but not sure if i can get it to work with my computer the trans will be free!! Thanks for the help. It is pulling a vacume, i know bc when i pull the hose out of the vacuume assist it hisses at me (engine off).
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Old 02-06-2003, 05:24 AM
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I seen the weak brakes thing happen on a couple of 1500 series. To the best of my memory, it was a problem with the proportioning valv causing the problem. But seeing as you are going to convert to a rear disc system, I would spend any money on the old brake system. When you install the disc brake system you will most likely have to replace the master cylinder an proportioning valve anyways.
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