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Author Topic:   Drums vs. Discs

Posts: 12
From: Hampton, Va
Registered: Jul 2001

posted 01-24-2002 04:21 PM     Click Here to See the Profile for svt522   Click Here to Email svt522     Edit/Delete Message   Reply w/Quote
Which is better from a drag racing stand point? I've got a 73' Mach 1 that I hope will be running in the 11s soon. It's got stock discs on the front. I've got another parts car that has nonpower drums all the way around. I've read that drums are lighter and have less rolling resistance. Will the drums stop me? Or should I keep what's on it? Thanks for any responses.

1996 SVT Cobra (#522)
1967 F100 w/351C, C-6, 4.11 Detroit Locker
1973 "Q" Code Mach1, 3/4 Vinyl Top, Fold-Down Rear Seat, A/C

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kid vishus

Posts: 1994
From: huh?? what? who? ME!?!?!?!
Registered: Oct 2000

posted 01-24-2002 04:38 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
I put Wilwood disc brakes on my car 'cuss the drum brakes were spooky to get stopped with running in the 11's. On my granada, it had factory discs on the front, and big truck drums on the back, it stopped good running 11'ohs, but I wouldnt have wanted to try that with drum brakes all the way around.

I dont see how drum brakes can be lighter, the drum alone weighs what seems to be 50 lbs (I know, I exagerrated).

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Posts: 3609
From: Delta BC Canada
Registered: Dec 99

posted 01-26-2002 01:22 AM     Click Here to See the Profile for TomP   Click Here to Email TomP     Edit/Delete Message   Reply w/Quote
My car has 10" drums all around and goes 133 and 1/2 stops on a million bucks worth of dimes... laid out over 1/2 mile distance

I don't worry much about brakes... they just slow ya down

Drums may be lighter in total assembly weight that stock discs, but the disc has less rotational weight... and if they also have self-retracting calipers theres no real drag. Late model cars have some lightweight brakes. I think i like the 99-up Mustang idea to swap on older cars.

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Rory McNeil

Posts: 557
From: Surrey, B.C. Canada
Registered: Nov 2000

posted 01-26-2002 02:13 AM     Click Here to See the Profile for Rory McNeil   Click Here to Email Rory McNeil     Edit/Delete Message   Reply w/Quote
If its gonna just be a drag car, the drums will be fine. I have gone 10.0`s in my buddys Rat motored Nova wagon with the stock front drums with Ford drums on the 9".It stopped fine. My other buddy`s 3400 lb 66 Chevelle with a 522 went [email protected], with the original drums, also stopped fine.He did switch to 4 wheel Mark Williams disc`s when he converted the car into a Super/Stocker, but weight was the main concern. The car does stop better with the disc`s, but he said that he never had any problems with the car stopping with the drum brakes. Please note that our local track has a 1/2 mile shut down area, so on a shorter track, this opinion may not be valid.

78 Fairmont 428 4 speed [email protected]
80 Fairmont 302 5 speed [email protected]
85 Mustang NHRA Stocker under construction, 302 5 speed

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