 suspension/tire pressure adjustments, Getting ready for nex AX |
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| mikelsr |
 Apr 8 2010, 10:46 AM
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Senior Member  Group: Members Posts: 657 Joined: 2-January 05 From: Mahomet, IL Member No.: 3,390 Region Association: Southwest Region  |
I used to have a chart that told me what to adjust for what conditions and the site that had it doesn't exist any more (and I can't find the printout). Since the cancer was removed on my car and the Engman inner stiffener and the Brad M. outer stiffeners installed, my car has become extremely stiff. So I need to start from scratch adjusting shocks, tire pressures and anti-sway bar. I didn't have to do this earlier since the PO had the car set up and gave me settings and it worked. I tried them a couple of weeks ago and they don't work any more.
Does anyone have a chart that shows what adjustments to make when a car is loose, tight, etc? I have Koni yellows, stock rear anti-sway bar, a 19mm front anti-sway bar, and 180lb progressive springs. My tires are Kuhmo ecsta v700 205 50x15 and 225 45x15. Front rims are 7" and rears are 8". Oh and the car is a 1970 914-6 with a 2.7L RS'ish engine. And I did search the archives but didn't find what I was looking for. Thanks in advance. Mike P.S. Here is my car in action a couple of weeks ago. (IMG:http://www.914world.com/bbs2/uploads_offsite/farm5.static.flickr.com-3390-1270745183.1.jpg) |
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| J P Stein |
Apr 8 2010, 01:29 PM
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Irrelevant old fart Group: Members Posts: 8,797 Joined: 30-December 02 From: Vancouver, WA Member No.: 45 Region Association: None |
I tried to respond over on the AX forum but Mike's magic reply eraser got me again.
To cure understeer: soften the front/stiffen the rear. The opposite for oversteer. Without an LSD, a rear anti roll bar can cause all kinds of problems....like lifting the inside rear in a corner. You loose forward thrust and the car goes all "wonkey" (that's the technical term (IMG:style_emoticons/default/biggrin.gif) ). Shocks do good things (or bad) on corner entry, but AR bars are for steady state cornering. AX rewards a slight oversteer condition. This helps the car rotate. I've never used a rear AR bar, but set my car up for the above with the front bar at half hard so there is adjustment either way if needed. Tire pressures: I run a couple pounds more in the rear than the font. You'll need to find the best pressures on your own but a WAG would be high 20s/low 30s Pretty general stuff. |
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Posts in this topic
mikelsr suspension/tire pressure adjustments Apr 8 2010, 10:46 AM
6freak you didnt say what the car was doing ..other then ... Apr 8 2010, 12:42 PM mikelsr Thanks to both of you.
I've found that the ca... Apr 8 2010, 01:48 PM mikelsr We had our test and tune yesterday (Sunday) and I ... Apr 12 2010, 09:00 AM
6freak tire pressure seems a little low ....maybe try 26 ... Apr 12 2010, 10:32 AM |
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