Thread: My hot rod plans

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Actually drum brakes have more braking power than disc's. Disc rear is not going to stop you better. You'll never heat the rear drums up enough to justified the extra cost of rear disc's. unless you do road course type driving, then disc's are better. Their mostly for looks.
Yes I have disc's all the way around, but my IRS came with them.

Pat

Originally Posted by HemiTCoupe

Actually drum brakes have more braking power than disc's.

Easy to type that here, but some factual data would be nice.
I wonder why 100% of manufacturers use front discs.
Enlighten we the uneducated.

I've never run discs on any car I've had, and they all stop just fine. Discs are not perfect, my Son Don has Wilwoods on the front of his T and he has had fits trying to get them right. The first set threw brake dust all over the car and the rotors scored badly, so Speedway stepped up and sent him a different set. No more dust, but they squeal like mad. We've adjusted, shimmed, sanded the pads, etc, still no good. Lots of conversations with Wilwood and they don't even have an answer.

As for drums not stopping, we are talking about 2,000 pound cars here. One time I was driving my 27 and the light changed to red, so I hit the brakes. My Wife was following me in her new car with discs, abs, and all that stuff, and she almost redesigned my rear end. My 27 stopped way better than hers.

Don

Originally Posted by Itoldyouso

My 27 stopped way better than hers.

Don

I would put that down purely to reaction times.
I had a drum braked car run into the back of my disc braked car.
So does that dispel which is better? I don't think so.

Originally Posted by LIFESTYLZ

I would put that down purely to reaction times.
I had a drum braked car run into the back of my disc braked car.
So does that dispel which is better? I don't think so.

No, that would just mean the guy who hit you was a lousy driver.

Don

Now - let me count the different cars that I've had with 4 wheel drums and needed more brakes that 'ran out' of stopping power that did or could have caused a problem:

1964 Pontiac Grand Prix - two hard stops, then nothing (and I mean NOTHING) and would blow lights at the local traffic lights including once 6" away from another car. Sold it (traded it ) and some guy ended up killing himself because he couldn't stop

1963 Ford Galaxie (406/405++ Tri Power) - this car found the end of the traps at two of the local drag strips.

1965 Ford Galaxie (390/330 Police) - as bad as the '63.

Now if I recall, the older Chrysler brakes - and the OP didn't note what he was using - were the dual opposing wheel cylinder Lockheed brakes which were for no better term, atrocious. Even after doing a lining to drum radius and adjusting the pivot pin and the usual movable adjuster for minimum clearance you would only have a partial lining hitting the drum during a stop. While the brakes themselves were fairly large, they needed to be to stop those heavy cars. If these are the standard (and current) Bendix design, probably could be made to work. If they are pre '49 Ford, these too are Lockheed, tho I do believe the trucks went to Bendix earlier - but CRS......

As far as drums being as good or better then disc brakes - not a true statement. Discs cool better as the heat is dissipated easier , apply fully across the braking surface, are self cleaning and apply more evenly on both sides of the rotor. I cannot envision my 8000+ pound F350 pulling my 11,000 pound 5th wheel RV down a steep road without at least front discs and since it has 4 wheel discs, better

Don and others using modern drums on light cars - not much problem there as newer drum brake systems or even newer compounds will for sure work great. As far as problems with discs, I have Wilwoods on my '31 - and all four corners and except for the fact they did a poor job of stopping my car when new, they only needed to be fully bedded and that took several more "break in" cycles - now they are great and I don't see any of the dirt or squeal problems noted as yet, but more time and miles will tell.

We can beat this disc brake vs drum brake horse all day, and you are still going to have advocates on both sides of that discussion. Besides, gsp392 has already stated he wants drums for the old timey look (and IMO those SoCal and other similar discs posing as drum brakes DO NOT fool anyone, they still look ok on a street rod, but not on a hot rod)

So, to get gsp392 the feedback he really wanted, I think the front torsion bar idea is a good one. At one time I would have not thought so, but Jim (JRobinson) on here has an A coupe with torsion bars, and it is the cleanest installation I have ever seen. I hope he sees this and posts some pictures of how he did it. You have to stand on your head to even see them in his car, and he says it handles great.

Don