aluminum drums
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Joined: Jun 2011
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From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
aluminum drums
if anyone else is looking for aluminum drums. I just bought a set from hawks @ $25 ea. now for the polishing!!!
Thread Starter
Supreme Member
Joined: Jun 2011
Posts: 2,036
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From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
Re: aluminum drums
there is no link.you call them and ask if they have.......whatever you need for your car. they keep many many used parts that are not in their catalog or listed on their website.but they have them ,or should i say 2 less than they had monday morning.SCORE!!!
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Supreme Member
Joined: Jun 2011
Posts: 2,036
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From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
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From: Modesto, California
Car: 88 Firebird Formula
Engine: LO5 5.7 TBI/Ebl Flash
Transmission: 700R4
Axle/Gears: 2.73 stock rear end
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From: ms. gulf coast
Car: 91 R/S , 89 dodge p/u
Engine: L31 GM crate re-cammed , 318
Transmission: T-5 , 4 speed auto
Axle/Gears: 3.42 , ?
Re: aluminum drums
by no way is this , my comment a slam . I have never understood the desire/need for aluminum drums . sure they are a little lighter , but enough to matter for performance ? (I don't think so) polish up nice ? O.K. , i'll give you that . used ones are not able to be turned (in most cases) more than once . finding NOS ones , impossible (at a reasonable price) . so why , are they sought after ? a few months ago I did my rear brakes . bought new drums , cleaned casting slag , took to machine shop to assure true . after very lite touch-up had them hot tanked . took back to my shop primed and painted with hi-temp cast alum. paint . I'm happy with appearance , good luck .
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Joined: Apr 2013
Posts: 71
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Car: '84 Berlinetta T-Top
Engine: 305 V8 LG4
Transmission: 700R4
Axle/Gears: 3.08
Re: aluminum drums
They can be relined. This company has information on their site about it.
http://www.jgrelining.com/#!services/crfi
http://www.jgrelining.com/#!services/crfi
Thread Starter
Supreme Member
Joined: Jun 2011
Posts: 2,036
Likes: 5
From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
Thread Starter
Supreme Member
Joined: Jun 2011
Posts: 2,036
Likes: 5
From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
Re: aluminum drums
by no way is this , my comment a slam . I have never understood the desire/need for aluminum drums . sure they are a little lighter , but enough to matter for performance ? (I don't think so) polish up nice ? O.K. , i'll give you that . used ones are not able to be turned (in most cases) more than once . finding NOS ones , impossible (at a reasonable price) . so why , are they sought after ? a few months ago I did my rear brakes . bought new drums , cleaned casting slag , took to machine shop to assure true . after very lite touch-up had them hot tanked . took back to my shop primed and painted with hi-temp cast alum. paint . I'm happy with appearance , good luck .
Thread Starter
Supreme Member
Joined: Jun 2011
Posts: 2,036
Likes: 5
From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
Re: aluminum drums
They can be relined. This company has information on their site about it.
http://www.jgrelining.com/#!services/crfi
http://www.jgrelining.com/#!services/crfi
Supreme Member
iTrader: (1)
Joined: Dec 2006
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From: ms. gulf coast
Car: 91 R/S , 89 dodge p/u
Engine: L31 GM crate re-cammed , 318
Transmission: T-5 , 4 speed auto
Axle/Gears: 3.42 , ?
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Joined: Nov 2008
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From: Central Florida
Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
I got mine for $20 for the pair at the pick and pull by me. For 20 bucks I wouldnt care if they were good or not. Turns out they were pretty much perfect. After installation I noticed that braking was better. Whether that was due to bad steel drums ill never know.
For $20, it was money well spent. As for the reason for aluminum drums; rotational weight is more than static weight. Not much of a difference I might add, but alum driveshaft and drums in concert should in theory be better, though you may never feel the difference.
For $20, it was money well spent. As for the reason for aluminum drums; rotational weight is more than static weight. Not much of a difference I might add, but alum driveshaft and drums in concert should in theory be better, though you may never feel the difference.
Joined: Oct 2001
Posts: 12,221
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: aluminum drums
I have 2 sets of them just sitting
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Supreme Member
Joined: Jun 2011
Posts: 2,036
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From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
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From: Bowdon, GA.
Car: 1988 Camaro
Engine: 355, 10.34:1, 249/252 @.050", IK200
Transmission: TH-400, 3500 stall 9.5" converter
Axle/Gears: Ford 9", detroit locker, 3.89 gears
Re: aluminum drums
by no way is this , my comment a slam . I have never understood the desire/need for aluminum drums . sure they are a little lighter , but enough to matter for performance ? (I don't think so) polish up nice ? O.K. , i'll give you that . used ones are not able to be turned (in most cases) more than once . finding NOS ones , impossible (at a reasonable price) . so why , are they sought after ? a few months ago I did my rear brakes . bought new drums , cleaned casting slag , took to machine shop to assure true . after very lite touch-up had them hot tanked . took back to my shop primed and painted with hi-temp cast alum. paint . I'm happy with appearance , good luck .
So 9 lbs of rotating weight is a good bit in the end for a drag car. It adds up quick. Rotating weight has 2-5 times the effect on accel/ET/Performance than dead weight.
The old rule of thumb is 100 lbs of static (dead) weight = 1/10th second drop in 1/4 mile ET.
10 lbs of dead weight has the same effect on performance as 1 HP.
Joined: Oct 2001
Posts: 12,221
Likes: 1,141
From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: aluminum drums
I'm not much on rear drums.
I have about the same money in em as the Hawks parts cost
PM me if you or anyone wants them.
Last edited by TTOP350; Oct 2, 2014 at 06:49 AM.
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