What disk should I run

[john31s]

I have a 1970 Pontiac Lemans which currently has the original disk/drums setup. It is not a bad setup for the 3400lbs car, but I want to make the car ride more like a modern car and this means it should stop quicker. My question is what disk setup should I go with? How many pistons calipers is considered good for the front and rear? Are their any brands I should avoid? What master cylinder/booster should i add or can I run the stock one? Sorry for all the questions but the weathers is getting better and I want to start early.
John

[DEIGuy38]

Look at Kore3 stuff and call Tobin. He is full of knowledge and will answer all of your questions

[john31s]

I'm considering these packages:

Front
http://www.summitracing.com/parts/SSB-A185-S/

Rear
http://www.summitracing.com/parts/SSB-A125-3/

I'm only trying to improve the braking, I am not attempting to make a streetfighter.
thanks,
John

[Apogee]

Wheel size is the number one limiting factor when it comes to rotor diameter and caliper size, so what size wheels are you running?

If you want to decrease your stopping distances, get better tires. If you want to increase your braking capacity, get brake components with larger rotors. Stopping once from 60 mph is pretty basic and something that the OE disc/drum brakes are more than capable of handling with some decent pads/shoes...doing it for 20+ minutes on a track though is a different story. The SSBC front kit above doesn't increase your braking capacity at all, it in fact reduces your over all brake torque since the calipers have less piston area than your OE cast iron caliper, 4.5 in^2 versus 6.7 in^2, a 33% reduction in clamping force with the same master cylinder and leg force. The rear SSBC kit you linked to used 10.5" x 15/16" rear rotors, so if your goal is to find a kit that fits inside a 14" wheel, mission accomplished. If your goal is to give yourself more braking capacity with some room to grow, you might want to go larger now rather than pay to upgrade again later IMHO.

HTH,
Tobin
KORE3

[moran.223]

I'm Running Wilwood D52 Calipers on my 1972. Aluminum Dual Piston, direct fit, lighter, looks trick. The pedal feels better, it stops harder and I can still run my 15 inch rims.

[MCB Matt]

We have several brands and configurations avail.

What size wheels will you run with this brake system? We have a new big brake budget kit that may work for you and not kill your wallet.

Feel free to call for details so we can help you narrow it down on what will work best.

[john31s]

Sounds good, I'll defiantly shoot you guys a call.

[68KMARO]

Hey John how are you going to use your car, auto cross, track days or spirited street driving. do a search and you will see what people are using along with suspension set-ups and rim and tire sizes. do your home work and it will pay off.

rich

[john31s]

I was thinking of just setting it up for some spirited street driving and occasional auto-cross. I'm currently running the stock 15 inch wheels but i was going to go with year one's new 17 inch rally II so those are what. I'm trying to decide between a full kit or simply getting my brakes from a f body or a late model corvette. If anyone gone either of these ways shot my a pm cause I have a tone of questions.

John