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Lighter drums for rear???

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Old Jun 16, 2009 | 08:31 PM
  #1  
Fast 383's Avatar
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From: Philly, PA
Car: 1986 Camaro SC
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Transmission: None
Axle/Gears: Moser 9" W/ spool 3.50 gears
Lighter drums for rear???

Where can I find lighter drums for my 7.5 rear. The ones I just pulled off are like 15-20 lbs a piece.
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Old Jun 16, 2009 | 09:20 PM
  #2  
JamesC's Avatar
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Lighter drums for rear???

I believe the alum drums are discontinued, but I see them in the bone yards from time to time.

JamesC

Last edited by JamesC; Jun 17, 2009 at 06:24 AM.
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Old Jun 16, 2009 | 09:55 PM
  #3  
Fast 383's Avatar
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From: Philly, PA
Car: 1986 Camaro SC
Engine: None
Transmission: None
Axle/Gears: Moser 9" W/ spool 3.50 gears
Re: Lighter drums for rear???

I wonder how much lighter they are?
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Old Jun 16, 2009 | 10:26 PM
  #4  
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From: IL
Car: 88 IROC, 76 Malibu Classic
Engine: 350 TPI, 350
Transmission: 700R4, 4-speed
Axle/Gears: 10 bolt ????
Re: Lighter drums for rear???

doesn't have to be a big difference because it's unsprung weight and the spinning of the wheel gives it centripital acceleration. less weight, less centripital force. less force to push the car the same speed. it's the same physics behind a lighter flywheel on an engine. the engine has a quicker acceleration though, and more centripital force due to the accelleration of the crankshaft.

Last edited by chevyracingrox; Jun 16, 2009 at 10:35 PM.
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Old Jun 16, 2009 | 10:54 PM
  #5  
Fast 383's Avatar
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From: Philly, PA
Car: 1986 Camaro SC
Engine: None
Transmission: None
Axle/Gears: Moser 9" W/ spool 3.50 gears
Re: Lighter drums for rear???

I was more concerned with the total weight. Possibly shedding 15-20 lbs?
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Old Jun 17, 2009 | 09:30 AM
  #6  
NINÅ's Avatar
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From: Mooresville NC
Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
ALL FOR ALUMINUM






There are some on Ebay.

Only $120 per set.




Happy Racing!

If People Drove Any Slower They’d Be Going Backwards

Fog lights are not driving lights. They look dorky. Turn em off slow pokes.

How bout those dorks too scared to drive without headlights on in the daytime!

.
.

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