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-   -   disc brakes (https://classracer.com/classforum/showthread.php?t=52528)

Bobby Lundholm 04-08-2014 09:46 AM
Re: disc brakes
 
Quote:
Originally Posted by HandOverFist (Post 427118)
Bobby - When you fully retracted the pistons and first put the calipers/pads on the rotors did it require any effort? I've found some brake pads have just too much material/thickness when new to allow any clearance.
It took a little effort to get them in. I figured it would wear down once I got some time on them but it still continues to drag after 2 seasons now. Though I haven't been racing much over the last couple of years.

HandOverFist 04-08-2014 09:51 AM
Re: disc brakes
 
One thing you might try is loosen the m/c from the firewall to see if the rod is fully retracting...with the fronts off the floor you can spin the wheels to see if there is any improvement. Using an aftermarket m/c and/or a lengthened brake rod? I recently had to remove the front pads on my partner's '66 Nova and take a DA sander with 80 grit to them to alleviate the same problem.

Bobby Lundholm 04-08-2014 01:32 PM
Re: disc brakes
 
Quote:
Originally Posted by HandOverFist (Post 427123)
One thing you might try is loosen the m/c from the firewall to see if the rod is fully retracting...with the fronts off the floor you can spin the wheels to see if there is any improvement. Using an aftermarket m/c and/or a lengthened brake rod? I recently had to remove the front pads on my partner's '66 Nova and take a DA sander with 80 grit to them to alleviate the same problem.
It's for a 1969 Nova with a 396/350
Stock master cylinder.

HandOverFist 04-08-2014 07:52 PM
Re: disc brakes
 
Take them off and grind them down a little. Costs nothing to try and it worked for my buddy's Nova.

CrateCamaro 04-14-2014 11:41 PM
Re: disc brakes
 
Small GM transmission spring in between the pads held in with the willwood cotter pin. No more drag

Greg Barsamian 04-15-2014 07:07 AM
Re: disc brakes
 
For those not wanting to use a Mopar Master Cylinder, NAPA part number M2456 is a "Lightweight" Master cylinder that is a bolt in replacement for the heavier cast iron version.
http://www.napaonline.com/Catalog/Ca...456_0358745370

HandOverFist 04-15-2014 09:57 AM
Re: disc brakes
 
Quote:
Originally Posted by Greg Barsamian (Post 427915)
For those not wanting to use a Mopar Master Cylinder, NAPA part number M2456 is a "Lightweight" Master cylinder that is a bolt in replacement for the heavier cast iron version.
http://www.napaonline.com/Catalog/Ca...456_0358745370
24mm or 15/16" bore...anyone here been using one and on what type of system (disc/disc - drum/disc) ?


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