C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

DRM Brake Bias Spring.....

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Old Mar 1, 2010 | 11:18 AM
  #21  
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Originally Posted by jaa1992
Bias spring worked great at CMP. Nice straight level breaking, even from 100 ish to 45 ish for a real slow corner. Before I would nose dive heavily for that turn.
That, and you can go a little deeper on the brakes on corner entry; I was surprised last track when I just expected oversteer when sheding speed from the straight.
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Old Mar 1, 2010 | 06:29 PM
  #22  
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I bought one to help offset the 6-piston front calipers. It helped. I don't know what it would be like to use on the stock brake setup? The rear brakes are pretty thin and small compared to the fronts, so I don't know how much more braking you can send to them before they are overworked?

But the caliper upgrade on the front of my car moved the brake bias heavily to the front, so this plus 13" rear rotors helped move it back.
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Old Mar 12, 2010 | 07:41 PM
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Question..........If I install one of these is it going to make burn outs more difficult at the track? What's next if it does? Line Locks? Does it ever end........
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Old Mar 12, 2010 | 08:11 PM
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Originally Posted by Weav's Vet
Question..........If I install one of these is it going to make burn outs more difficult at the track? What's next if it does? Line Locks? Does it ever end........
I would think it would because now your back brakes are doing more work compared to the stock bias...
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Old Mar 13, 2010 | 02:11 AM
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Originally Posted by Weav's Vet
Question..........If I install one of these is it going to make burn outs more difficult at the track?
Not at all. I just hit the ASR OFF button. Just a little more revs, nothing else. Anyway, if you're into RoadRacing, it's of little priority to pull burnouts more easily; tires are more expensive than brake pads. If you're more into drag, that's what lock lines are for.

Originally Posted by Weav's Vet
What's next if it does? Line Locks? Does it ever end........
Once the mod bug bites... well... I'm afraid there is not a known cure.

Last edited by shadowskill; Mar 13, 2010 at 03:01 AM.
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Old Apr 28, 2010 | 06:57 PM
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Originally Posted by shadowskill
Once the mod bug bites... well... I'm afraid there is not a known cure.
Man, that's an understatement...... I just ordered AFR's this week.

Anyway, I installed this little spring today. It's up on stands at the moment cause I have a few other things I want to do but I'll give it a test run tomorrow and see if it helps any.

Thanks for all the replies.
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Old Apr 29, 2010 | 12:28 AM
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Originally Posted by Weav's Vet
Man, that's an understatement...... I just ordered AFR's this week.

Anyway, I installed this little spring today. It's up on stands at the moment cause I have a few other things I want to do but I'll give it a test run tomorrow and see if it helps any.

Thanks for all the replies.
I wonder if you will be able to feel the difference on the street? Keep us posted after your test drive (when you get the car back on the ground)
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Old Apr 29, 2010 | 05:44 PM
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Originally Posted by jackdaroofer
Yes, yes and yes!

seems to help oversteer
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Old Apr 29, 2010 | 05:46 PM
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Originally Posted by Weav's Vet
Question..........If I install one of these is it going to make burn outs more difficult at the track? What's next if it does? Line Locks? Does it ever end........
Wouldn't do it unless your road racing.

TJM
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Old Apr 29, 2010 | 05:46 PM
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Went for a test drive today. I must still have some air in the lines because I have to pump it once to firm up the pedal. I can tell a difference though. I think I'm going to like this!
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Old Apr 30, 2010 | 12:33 AM
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My Vette has the spring with the C5 brakes. In my videos at SCCA they kinda show how the front end doesnt dive. This video at the end I hit the brakes hard and it barely moved.
Hawk pads, BFG KD's with QA1 shocks on stiff.
http://www.youtube.com/watch#!v=y_br...eature=related
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Old Apr 30, 2010 | 12:21 PM
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mine is sitting on the bench. this weekend its goin in
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Old Apr 30, 2010 | 10:00 PM
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Originally Posted by dogfish246
I wonder if you will be able to feel the difference on the street? Keep us posted after your test drive (when you get the car back on the ground)
I can feel the difference on the street in my 95 (with the stock J55 brakes). The front doesn't dive like it did with the stock bias spring.....


Mike
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Old Apr 30, 2010 | 10:16 PM
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Originally Posted by aboatguy
I can feel the difference on the street in my 95 (with the stock J55 brakes). The front doesn't dive like it did with the stock bias spring.....


Mike
Thats funny because the front of my Vette doesnt dive (that much at all) under hard braking...Hmmm
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Old Apr 30, 2010 | 10:28 PM
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Originally Posted by dogfish246
Thats funny because the front of my Vette doesnt dive (that much at all) under hard braking...Hmmm
My driving conditions may be a little different than yours.
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Old Apr 30, 2010 | 10:52 PM
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Originally Posted by aboatguy
My driving conditions may be a little different than yours.
Your right... Mine is daily driver... I bet you race!
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Old May 1, 2010 | 08:37 AM
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Anyone have a link to purchase this? I did a quick google search and came up with nothing.
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To DRM Brake Bias Spring.....

Old May 1, 2010 | 09:25 AM
  #38  
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Originally Posted by dogfish246
Your right... Mine is daily driver... I bet you race!
Its my DD and I don't race but I do drive spiritedly. The bias spring has allowed me to comfortably take one of the turns on my daily commute a few miles an hour faster than before the bias spring... The only parts changed on the brake system at that time were a fluid change and installation of DRM bias spring and DRM stainless brake lines.

Last edited by aboatguy; May 1, 2010 at 09:40 AM.
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Old May 1, 2010 | 10:05 AM
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Originally Posted by Droz32
Anyone have a link to purchase this? I did a quick google search and came up with nothing.

http://www.mamotorworks.com/corvette?frame=3.1125
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Old May 1, 2010 | 10:16 AM
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Originally Posted by Droz32
Anyone have a link to purchase this? I did a quick google search and came up with nothing.


Its only $12.95 at DRM


http://dougrippie.com/?cat=21


Doug's son Randy is a CF member..... he goes by Randy@DRM and he has been a great help and source of knowledge on my quest for better C4 handling.


Mike


DRM Brake Bias Spring $12.95
Good things often come in small packages. A lot of thought and successful racing experience went into the design of the DRM BrakeBias spring. Easily installed, this spring effectively puts more rear brake into your Corvette, giving you shorter stopping distances and more equalized front-to-rear brake pad wear. Also by having the rear pads do more work, front end nose-dive is reduced. This results in greater stability and vehicle control under extreme braking.

Please make sure you choose the right application below. Please note 2001+ cars can not use this product.

Last edited by aboatguy; May 1, 2010 at 10:23 AM.
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