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Thread: The search for 1 g
12-26-2005, 10:52 PM #1
The search for 1 g
Over this upcoming year I will be gradually modifying the suspension on my '85 in the pursuit of 1.00 g's of lateral acceleration. Initially I plan to use DOT's to get there, but if I'm successful I hope to eventually make it on 200 treadwear tires. I'm just curious if anyone else has tried this before. It took me a few years to get my MK3 there, so I'm just throwing this out there to see if anyone has any setups that are close...
PS: I did search and got a bunch of worthless threads especially those talking about the g-tech. I'll be using the industry-standard 200' skidpad and an autocross timer...
12-26-2005, 11:12 PM #2
i want to get up towards that as well, and have a long list of parts and things i want to do to try and get there. myself i don't know where to go for testing though, not sure if edmonton even has a skid pad and testing equipement.
Gonna share your plans or wait till you hit the 1G to release what you've learned?Glenn
Alberta Supra Club
12-26-2005, 11:37 PM #3
Here's my tentative plan:
First I'll get a baseline of the car "stock." I'll remove the strut tower bar and pretend my car has stock bushings. I expect around .85 g given the grippier tires available today. Then strut tower bars and some coilovers (front and rear -- yes the rear will be custom). I expect a fair amount of trial and error on the spring rates -- it took me 3 sets to get the mk3 where I wanted. Then further chassis bracing (fender braces, B-pillar bar or maybe even a 4-point roll bar, possibly a "ladder" bar under the car). And if necessary, I'll modify alignment aides for the corolla to fit (roll-center adjusters etc). I hope to make it by this point, but if not I'll start playing around with the differential...
The MK3 required coilovers with custom spring rates (18/12 was the final setup), chassis bracing (the MDC harness bar that ties the upper front seatbelt mounts together with the rear lower seatbelt mounts -- it made the biggest difference in rigidity), no rear sway bar, aggressive alignment, and 245/40/17 SO3's on all four. The final list there is pretty short but I'd tried many different setups along the way (something it would be nice to avoid here lol)
Last edited by ma71supraturbo; 12-27-2005 at 12:16 AM.
12-27-2005, 10:40 AM #4CelicaSupra.com Member
- Join Date
- Mar 2003
- BF Ohio
What do you consider DOT's. Toyo RA-1s, Pirelli PZero Corsa, Hoosier RS305 are all considered DOT's.Searching for enlightenment on an abandoned highway.
12-27-2005, 11:56 AM #5
Hoosiers, Victoracers, V700s etc
12-27-2005, 01:22 PM #6
All I have to say is make up some adjustable sway bars (or atleast a front one)! after front and rear coilovers with adjustable ride hight, sway bars and front camber you should be able to dial it in with out changing spring rates 3 times. On a corect set up the spring rate shouldn't have much to with skid pad performance, spring are for bumps. then getting the car to transition nice and balanced is a whole new ball game.Just an 82 supra
12-30-2005, 12:24 AM #7
12-30-2005, 03:11 AM #8
its only for the MK3, but MDC Motorsports makes it. He has a vendor section on supramania.com
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