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Old 07-11-2011, 01:10 AM   #1
flamingbig10
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brake booster help

I decided I'm going to add a chrome master cylinder and brake booster to my truck but there's two options for master cylinder bore sizes but I don't know which one I need my truck a 80 c-10 with factory power brakes and the big10 option
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1980 c-10 short bed lowered, cammed 6.0, 4l80e 3600 stall, smp tune, wilwoods, and flames best time so far best et 7.86 @87 on motor 7.57 90 on a 75 shot
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Old 07-11-2011, 11:09 PM   #2
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Re: brake booster help

does anybody know
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1980 c-10 short bed lowered, cammed 6.0, 4l80e 3600 stall, smp tune, wilwoods, and flames best time so far best et 7.86 @87 on motor 7.57 90 on a 75 shot
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Old 07-12-2011, 03:14 AM   #3
cr34t3d_by_d4rkd3n
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Re: brake booster help

u want an exact match to what u have, they have a "fat model" and a "skinny model" thay cannot be swapped. this will lead to eventual brake failure....

look at the side view of these two, and match it to ur trucks, chances are it will be the fatter one.... or pic 2... BUT IM JUST GUESSING. CHECK UR MODEL.
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Old 07-12-2011, 11:04 PM   #4
flamingbig10
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Re: brake booster help

I have the fat one
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1980 c-10 short bed lowered, cammed 6.0, 4l80e 3600 stall, smp tune, wilwoods, and flames best time so far best et 7.86 @87 on motor 7.57 90 on a 75 shot
Build http://67-72chevytrucks.com/vboard/s...d.php?t=283326
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Old 07-13-2011, 12:19 AM   #5
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Re: brake booster help

Just curious...how will switching the two lead to brake failure?
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1970 Chevrolet Custom Camper K20
1971 GMC Super K2500, 12V/NV4500 swap in progress
1971 Chevrolet Custom C10
1972 Chevrolet Custom Deluxe C20, 5.3/4L60E
1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi
2004 GMC Sierra 2500HD, LB7/Allison, CCSB
2005 GMC Sierra 1500, 5.3/4L60E, CCSB

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