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#1 |
Junior Member
Join Date: Mar 2007
Location: Hideaway, TX
Posts: 4,950
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BB brake booster clearance question
Will the driver side tall BB valve cover clear the booster? Seems I read sometime ago there could be a clearance issue.
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 Last edited by BB72CHEVKT; 09-22-2009 at 08:19 PM. |
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#2 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,474
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Re: BB brake booster clearance question
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I think there are a couple of different height valve covers so it is a crap shoot. I guess the only thing you can do is get a measurement on the valve covers you want to use and measure the head to booster clearance... LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#3 |
motor exploder
Join Date: Mar 2009
Location: Pittsburgh, PA
Posts: 2,346
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Re: BB brake booster clearance question
Most 'tall' valve covers are around 3 1/2 to 3 5/8 inch. It will be very close. I'm (was) running short aluminum M/T valvecovers and they are 2 5/8 tall and I had just about an inch between the edge of the booster and the top of the valvecover.
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Adam 1969 Chevy CST/10 stepside, DART Big M/TREMEC Magnum Extreme/3.73's w/Detroit Truetrac 1965 Chevy Bel Air Wagon (daily driver), 327/TH350,10 bolt w/3.08's 1961 Chevy Bel Air Sport Coupe, ZZ454/M21/9" rear w/3.50's & Detroit Truetrac 2005 GMC 1500 ccsb 2wd, 6.0L/4L65e/3.73 G80 2006 GMC 2500HD ccsb 4x4, DMax LBZ/Allison 6spd/4.56's w/Detroit TrueTrac ![]() ![]() Use the SEARCH function on this forum - it is your friend!! |
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#4 |
Registered User
Join Date: Mar 2009
Location: North Texas
Posts: 440
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Re: BB brake booster clearance question
Not sure if the height changes with 71 BB mounts vs 72 BB mounts but I had 71 mounts and short covers and had plenty of room. I'm going back with 72 mounts so that may change.
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#5 |
Account Suspended
Join Date: Jan 2009
Location: galt ca,
Posts: 749
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Re: BB brake booster clearance question
and what size booster?
i have a 70, 402, small booster, with talls, and there is a ton more of room. my 71 with 73+ motor mounts and the big booster wouldn't clear medium height. |
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#6 |
"THE GREEN GOBLIN"
Join Date: Mar 2008
Location: Fremont Ca.
Posts: 1,025
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Re: BB brake booster clearance question
It shouldn't hit well mine didn't heres a picture my 72 with a 454BB with stock Booster but mine are not that tall I guess it depends on how tall you want to go.....I am also useing Stock 72BB Motor mounts if that makes adifference..
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![]() "THE GREEN GOBLIN" 1972 Cheyenne 10 Short Fleet Side Front 2.5inch Spindles with 2inch Springs Rear 4inch drop Springs. 454BBC TH400,Posi 1971 Cheyenne 10 Long Fleet Side 454BBC TH350,Posi ![]() Drive it like you stole it! ![]() Petey-pablo@sbcglobal.net Last edited by petey-pablo; 09-23-2009 at 06:01 AM. |
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#7 |
motor exploder
Join Date: Mar 2009
Location: Pittsburgh, PA
Posts: 2,346
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Re: BB brake booster clearance question
got a pic of mine - see red circle, it's pretty close. I'm running BB motor mounts, not sure what year though.
and yes, my motor is ugly and my booster isn't hooked up... It's all scattered in a hundred pieces in my garage now, so that will change over the fall/winter!
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Adam 1969 Chevy CST/10 stepside, DART Big M/TREMEC Magnum Extreme/3.73's w/Detroit Truetrac 1965 Chevy Bel Air Wagon (daily driver), 327/TH350,10 bolt w/3.08's 1961 Chevy Bel Air Sport Coupe, ZZ454/M21/9" rear w/3.50's & Detroit Truetrac 2005 GMC 1500 ccsb 2wd, 6.0L/4L65e/3.73 G80 2006 GMC 2500HD ccsb 4x4, DMax LBZ/Allison 6spd/4.56's w/Detroit TrueTrac ![]() ![]() Use the SEARCH function on this forum - it is your friend!! Last edited by BossHogg69; 09-23-2009 at 11:04 AM. |
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#8 |
Junior Member
Join Date: Mar 2007
Location: Hideaway, TX
Posts: 4,950
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Re: BB brake booster clearance question
Thanks for the replies. I am running 72 mounts but do not have the motor installed. I want to be able to service the valve cover gaskets if necessary.
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 |
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#9 |
Account Suspended
Join Date: Jan 2009
Location: galt ca,
Posts: 749
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Re: BB brake booster clearance question
like BossHogg69 i had those same covers and they are removable but you have to go in over the intak and roll them down over the rocker arms, you cant do them like a short cover.
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