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06-03-2004, 12:09 AM | #1 |
Registered User
Join Date: Jul 2003
Location: Mountain Home ID
Posts: 85
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Brake booster swap ???
I used the search and got confused so I am going to ask. I have a 70 c-10 swb with manual drums all around. Can I take the "power booster,brackets the funny pivot thing between the brackets and the push rod" off of a 72 K-20 (parts truck) with power disc/drum and connect it to the 70 pedal and master cylinder? In my confusion I am thinking I will have power drums that may be a little touchy due to the 3/4 ton booster. Am I correct?
Tim |
06-03-2004, 10:31 AM | #2 |
Registered User
Join Date: Jul 2002
Location: pottsboro,tx
Posts: 513
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i dont know what booster i have but it works great.I bought it off of ebay i think,got it home and didnt adjust a thing,just bolted it right on.And i have drums all the way around too.Id say it dang near stops as good as my 03 dodge
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06-03-2004, 11:03 AM | #3 |
just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Just make sure to keep the "drum brake" master cylinder and proportioning valve. You need the residual valve to keep some pressure on the drum brakes. A "disc brake" master cylinder will always have a low pedal(on a drum brake truck) because there is no residual valve to maintain pressure.
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06-03-2004, 12:20 PM | #4 | |
Designated A-hole!
Join Date: Mar 2003
Location: South Mississippi
Posts: 36,448
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Quote:
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"If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck" |
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06-03-2004, 12:25 PM | #5 |
More Cowbell....
Join Date: Mar 2004
Location: Puckett, MS
Posts: 3,569
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Off hand, where would you connect the vacuum line from the master cylinder if you are running a 250 inline with a single barrel carb? I have all the parts (booster, etc... from a donor truck) but haven't had a second to bolt it on yet.
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06-03-2004, 01:39 PM | #6 |
blood type; Retumbo
Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,269
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you mean ther is room for the booster with a 250? I thought the manifold was in the way. one of the reasons I went to small block.
if it does fit, just drill & tap a hole near base of carb. make sure to have a shopvac sucking while drilling & fill flutes of tap with grease to catch metal chips.
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06-04-2004, 09:54 AM | #7 |
More Cowbell....
Join Date: Mar 2004
Location: Puckett, MS
Posts: 3,569
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The way I understand it, the stock air cleaner for the non-power brake setup will not work (it is in the way...bad), but I have a relocation plan.
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