Racing brake fluid - Dodge Challenger Forum: Challenger & SRT8 Forums
 
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#1 (permalink) Old 10-14-2010, 11:55 AM
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Racing brake fluid

is it necessary to change the brake fluid before road course racing? i heard standard brake fluid might boil over. and would it be ok to leave it in after the course is over?

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#2 (permalink) Old 10-14-2010, 12:17 PM
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Quote:
Originally Posted by EDDIE T View Post
is it necessary to change the brake fluid before road course racing? i heard standard brake fluid might boil over. and would it be ok to leave it in after the course is over?
you heard right the dot3 boils at like 275* you can go with a dot4 and I think that will get you to 475* i would also suggest that you add the stop tech steel lines and replace the factory rubber, also upgrade your pads while your at it I changed out to the stop tech street performance pads


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#3 (permalink) Old 10-14-2010, 12:29 PM
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thanks for the reply
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#4 (permalink) Old 10-14-2010, 12:39 PM
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So am I to understand the Dodge Challenger SRT8 only comes with DOT3 brake fluid in it?? That just doesn't sound right. Brembo brakes, high-performance everything, but substandard brake fluid? If that is the case, replacing the brake fluid just jumped to the top of my mod list, even above the KB SC..

I recall reading an article from one of the car mags this summer where they totalled a Nissan Z from a complete loss of brakes from boilded fluid. Anyone else read that article??

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#5 (permalink) Old 10-14-2010, 12:47 PM
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Some people religiously change out fluids between races. I think it depends on how hard you drive your car that day, and how often you plan on racing thereafter. If you end up doing some pretty hard road racing where you've got your car out 15-30 minutes a run for several runs, you're likely boiling fluids.

I'd change my oil before if you're anywhere near to needing to change it. If not, change it after for sure. Like Jeff said, DOT 4 brake fluid is a good idea. This is what I use and it's good value for money (this is a full liter vs 16 oz...). You'll need to bleed the brakes properly, obviously. The vendor is good and can source you a power bleeder with the right attachment for your brake fluid reservoir. Worth the $50 IMO. If you want the bleeder, go to Motive's site and find the application guide. Then you can get the right adapter for your Dodge. Look into the bottle to help drain the fluid also. It'll save you some trouble/mess. Brake fluid is VERY corrosive nasty stuff, so be sure you rinse everything off around your brakes and wheels really good, then follow up later that day to ensure no more has dripped.

Amazon.com: ATE Super Blue Brake Fluid (1 Liter): Automotive Amazon.com: ATE Super Blue Brake Fluid (1 Liter): Automotive

Amazon.com: Motive Products Custom Ford Power Bleeder(0106) Ford 2 Tab: Automotive Amazon.com: Motive Products Custom Ford Power Bleeder(0106) Ford 2 Tab: Automotive

You won't need to change your coolant, but make sure it's topped up properly. Tranny fluid, that's a whole other ball of wax. You should be fine and hopefully Dodge has fixed all the failures the LX guys have suffered from. It's not the fluid, it's the need for a cooler. If you got an SRT8 you're better off than us R/T guys.

Have fun!

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#6 (permalink) Old 10-15-2010, 12:48 PM
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Yes,
if you're running slicks and aggressive pads.. if you havent yet... flush your brakes with some good high quality fluid.. I would run Castrol SRF (best.. but $$).

If its the first time out on a road track and on street tires and stock brakes.. i'd make sure everything is in good working order and i might bleed the brakes..

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#7 (permalink) Old 10-15-2010, 12:49 PM
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might also consider looking in to speed bleeders..
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#8 (permalink) Old 10-15-2010, 05:20 PM
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ATE Super Blue (as Hemi Sam had in his links) is a good choice of DOT4 spec fluid.

Also, change your brake fluid every two years - hydraulic brake fluid is hydroscopic and absorbs moisture over time - bad for the ABS pump and brake components (corrosion).

Change that fluid every 2 and you'll be in good shape.

Sooner if you had a lot of heavy track days where the brakes got really hot.

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