Visit The Dirt Forum for More Information

Author Topic:   I Need Brake Help
Raceman17
Dirt Maniac

Total posts: 165
posted March 06, 2005 07:59 PM  
Hello All,
I race at a 3/8 to 1/2 mile high banked track. My 1983 monte carlos brakes do not work very well. I just bought 70 dollars worth of wilwood brake pads from speedway and I installed a new matser cylinder from a 77 chevy pickup with manual brakes. Like I said, I have no breakes. The pedal feels firm and there's no air in the line. I have replaced all the calipers with the stock replacements. Should I get rid of the stock proportioning valve? Or, do I need to get a different master cylinder. I noticecd when I took the stock master cylinder off, the new one from the truck had a larger bore. Any suggestions would be appreciated.
Thanks

bryanb30
Dirt Freak

Total posts: 243
posted March 06, 2005 09:17 PM  
maybe the lines are clogged? the booster may be bad if you are running one....and i think if the bore is too big it will cause a soft pedal but im not sure........good luck

Raceman17
Dirt Maniac

Total posts: 165
posted March 07, 2005 05:36 AM  
quote:
Originally posted by bryanb30:
maybe the lines are clogged? the booster may be bad if you are running one....and i think if the bore is too big it will cause a soft pedal but im not sure........good luck

The lines aren't clogged because I have bled all the lines. The booster is not on the car. The pedal feels firm and not soft or spongy.
Thanks



petordragon
Dirt Maniac

Total posts: 167
posted March 07, 2005 02:21 PM  
run a dual dyafram booster or different master cylinder.

Raceman17
Dirt Maniac

Total posts: 165
posted March 07, 2005 05:48 PM  
What is a good master cylinder to run? Any suggestions?

Speed Racer X
Dirt Maniac

Total posts: 115
posted March 07, 2005 05:53 PM  
You might try increasing the leverage on the brake pedal has on the M/C by changing the pivot point. If you do remove the stock proporting valve, be shure to add a residual valve in the rear brake line. 10 lb for drum or 2lb. for rear disk

[This message has been edited by Speed Racer X (edited March 07, 2005).]

Back to the Archives