American Rally 86 UPDATE
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03-24-2009, 02:32 AM
Post: #27
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Heres the difference in brake diameters.
Ok, so in order to get more powerful brakes with an increase in heat capacity (thermal mass), I had to get different calipers and rotors. The thermal mass part is easy, a wider disc, or a bigger diameter disc, or both. However, because a larger diameter disc will also effect FR RR bias, I didnt JUST want to get some massive disc. Besides, this being a race car, why should I care how cool it looks? lol. Anyway, another consideration was the wheels I want to run. The rallies here are run on gravel, so clearance around the outside edge of the caliper is important, otherwise you eat the calipers faster. All of this went into deciding a caliper to use, and a rotor diameter. I choose the powerlite because it would fit well, and a 10.04 rotor because, well, thats the closest rotor I could find that I could make work without having to buy expensive AP 254mm x 20.1mm rotors. Even though thats the size I was aiming for. We found rotors from a camry, I think it was that were 10.04in in diameter, and .86 in thick. The problem was not many rotors that bolt to the back of hubs are small enough, and the ones that slip over the lugs are the wrong bolt pattern (as in this case). So... I threw it on a bridgeport and bored my own 87mm bolt pattern in it to bolt it to my hubs, and bored out the center hole so it would FIT on the hub. Insto rotor for 35 bucks. The rear of the car has the stock supra rear end rotors and calipers. The rotors are a 10in disc as well, but only .38 wide. Plenty, for the rear brakes. The front calipers are a 4x1.38in piston and the stock supra are a slider with a 1.6875in piston. I dont remember stock sizes... they might be in my other post. The other cool thing is by using the stock supra rears, they are iron, and the gravel wont eat them as fast. Good for RWD. Also, I can use the stock parking brake and not have to figure out how to make my hydro handbrake lock, haha. (Fun fact, the STI I crew for, its parking brake is a bungee cord from the handle to the steering wheel.... 75k rally car... and its got a bungee cord, haha) More Cage pics Wow, I could have sworn I had an account here... I guess I'm the new guy |
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American Rally 86 UPDATE - dazed_driver - 01-28-2008, 05:30 AM
[] - dazed_driver - 01-28-2008, 05:31 AM
[] - dazed_driver - 01-28-2008, 05:33 AM
[] - dazed_driver - 01-28-2008, 05:36 AM
[] - dazed_driver - 01-28-2008, 05:39 AM
[] - dazed_driver - 01-28-2008, 05:39 AM
[] - dazed_driver - 01-28-2008, 05:40 AM
[] - dazed_driver - 01-28-2008, 05:42 AM
[] - dazed_driver - 01-28-2008, 05:43 AM
[] - dazed_driver - 01-28-2008, 05:44 AM
[] - dazed_driver - 01-28-2008, 05:45 AM
[] - Jan Pedersen - 01-28-2008, 08:49 AM
[] - dazed_driver - 01-28-2008, 10:47 AM
[] - dazed_driver - 01-28-2008, 09:09 PM
[] - dazed_driver - 01-29-2008, 10:32 PM
[] - dazed_driver - 03-28-2008, 08:14 PM
[] - dazed_driver - 03-28-2008, 08:15 PM
[] - dazed_driver - 03-28-2008, 08:15 PM
[] - dazed_driver - 03-21-2009, 11:02 PM
[] - dazed_driver - 03-21-2009, 11:03 PM
[] - dazed_driver - 03-24-2009 02:32 AM
[] - dazed_driver - 03-24-2009, 08:09 PM
[] - dazed_driver - 03-27-2009, 08:34 AM
[] - dazed_driver - 03-29-2009, 09:30 AM
[] - dazed_driver - 03-29-2009, 09:17 PM
[] - dazed_driver - 03-31-2009, 07:46 AM
[] - dazed_driver - 03-31-2009, 09:47 AM
[] - dazed_driver - 03-31-2009, 08:46 PM
[] - dazed_driver - 04-01-2009, 09:49 PM
[] - dazed_driver - 04-02-2009, 09:10 PM
[] - dazed_driver - 04-03-2009, 07:18 AM
[] - dazed_driver - 06-11-2009, 07:46 PM
[] - dazed_driver - 06-11-2009, 07:46 PM
[] - didierae86 - 06-11-2009, 09:03 PM
[] - dazed_driver - 06-23-2009, 10:56 AM
[] - dazed_driver - 06-23-2009, 10:59 AM
[] - dazed_driver - 06-25-2009, 08:44 AM
[] - dazed_driver - 06-26-2009, 08:05 PM
[] - dazed_driver - 07-23-2009, 05:13 AM
[] - dazed_driver - 07-24-2009, 07:08 AM
[] - dazed_driver - 08-14-2009, 02:42 AM
[] - dazed_driver - 08-17-2009, 03:18 AM
[] - Drift Student - 08-17-2009, 04:17 AM
[] - dazed_driver - 08-17-2009, 06:10 AM
[] - dazed_driver - 08-20-2009, 11:50 PM
[] - dazed_driver - 08-21-2009, 12:51 AM
[] - dazed_driver - 08-22-2009, 06:37 AM
[] - totta Crolla - 08-22-2009, 04:53 PM
[] - dazed_driver - 08-23-2009, 07:45 PM
[] - dazed_driver - 08-23-2009, 07:46 PM
[] - dazed_driver - 08-24-2009, 07:52 AM
[] - Kid Karola - 08-24-2009, 02:15 PM
[] - totta Crolla - 08-24-2009, 02:31 PM
[] - totta Crolla - 08-25-2009, 08:18 PM
[] - dazed_driver - 08-25-2009, 09:21 PM
[] - dazed_driver - 08-26-2009, 07:04 AM
[] - dazed_driver - 08-26-2009, 09:22 AM
[] - dazed_driver - 08-26-2009, 11:22 AM
[] - dazed_driver - 08-26-2009, 07:47 PM
[] - dazed_driver - 08-30-2009, 01:31 AM
[] - dazed_driver - 08-30-2009, 11:40 PM
[] - dazed_driver - 08-31-2009, 01:18 AM
[] - dazed_driver - 09-06-2009, 07:14 AM
[] - dazed_driver - 09-11-2009, 04:59 AM
[] - dazed_driver - 09-18-2009, 07:51 AM
[] - dazed_driver - 09-20-2009, 08:07 PM
[] - dazed_driver - 09-21-2009, 07:17 AM
[] - dazed_driver - 09-23-2009, 09:51 PM
[] - dazed_driver - 09-24-2009, 09:03 AM
[] - dazed_driver - 10-27-2009, 12:23 AM
[] - dazed_driver - 12-21-2009, 02:43 AM
[] - dazed_driver - 12-30-2009, 07:37 AM
[] - dazed_driver - 01-19-2010, 10:27 AM
[] - dazed_driver - 01-27-2010, 09:28 AM
[] - Kid Karola - 01-27-2010, 05:51 PM
[] - dazed_driver - 01-28-2010, 10:46 AM
[] - dazed_driver - 01-28-2010, 10:43 PM
[] - dazed_driver - 01-29-2010, 09:30 AM
[] - dazed_driver - 02-03-2010, 06:45 AM
[] - dazed_driver - 02-03-2010, 08:39 AM
[] - dazed_driver - 02-07-2010, 03:00 AM
[] - dazed_driver - 08-03-2010, 12:44 AM
[] - dazed_driver - 08-12-2010, 01:22 PM
suspension - scott - 01-08-2011, 08:17 PM
[] - dazed_driver - 03-01-2011, 10:59 AM
Re: suspension - dazed_driver - 06-01-2011, 10:26 AM
[] - dazed_driver - 06-01-2011, 10:27 AM
[] - dazed_driver - 06-01-2011, 10:27 AM
[] - Eircamae86 - 06-01-2011, 11:23 AM
[] - dazed_driver - 06-03-2011, 08:54 AM
[] - Eircamae86 - 06-03-2011, 08:56 AM
[] - dazed_driver - 06-06-2011, 05:43 PM
[] - dazed_driver - 01-11-2012, 10:00 AM
[] - dazed_driver - 03-28-2012, 12:53 AM
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