Need Limited slip diff, I WANT MORE TRACTION |
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Need Limited slip diff, I WANT MORE TRACTION |
Joe Ricard |
May 23 2007, 08:21 AM
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#1
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CUMONIWANNARACEU Group: Members Posts: 6,811 Joined: 5-January 03 From: Gautier, MS Member No.: 92 |
Ok, so now that we have stepped up the game and have found more lateral cornering G's I am in lifting the inside rear tire again.
No rear sway (of course) High rebound rear shocks 200 lb rear coil over. high rebound koni race shock and 21mm torsion bars in front with 22 Weltmiester bar. set as much as I can before the car pushes. So looking for advise on LSD what's available and what's the difference of each in an autocross application. |
jhadler |
May 23 2007, 02:09 PM
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#2
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Long term tinkerer... Group: Members Posts: 1,879 Joined: 7-April 03 From: Lyons, CO Member No.: 529 |
Hey Joe,
I think JP's comment is really good. Take a look at most of the competitive mid engined cars in SCCA autox, and you'll find many run a whole bunch of spring with no LSD. Where you start to find diff's more is in the higher prep classes where simply the raw power starts to exceed the capabilities of the tires. Form the sounds of it, you've got lots of power, but haven't yet overwhelmed the tires in a straight line. So a suspension change to keep all four feet firmly planted may be more effective. Especially in tighter turns where a LSD can possibly induce understeer if you don't have the power to get both tires loose. Another thing to look into is chassis bracing. If you've got flex under load (and with the big slicks, I'd expect that), then you make it that much harder for the tires to stay planted. I think in XP you've got carte blance to go for a full cage and tie the suspension into it. Not possitive though, worth looking at the rules again. And reinforcing the trailing arm mounts too... -Josh2 |
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