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Advise on suspension setup

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Old 06-18-2015, 08:32 PM
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I've got a 00 t/a six speed with turbo. Have 275 pros with moser 9" with lca relocation brackets. Founders adj lca, Midwest chassis short adj torque arm,qa1 single adj shocks with 300 springs on front and single adj qa1 with stock springs on rear , subframe connectors and spohn adj aarms. I have shocks set on 5 from the bottom. Lca's are level and the torque arm is in the middle hole. When i dump clutch it's wheel hopping for about 30ft then she's gone. I've messed with shocks and air pressure. I had a spohn sway bar but it was flexing so I just replaced it with a Wolfe anti roll but haven't had a chance to go to track yet. Just wanting to know if I need to change anything before I go back to track .I'm new to stock suspension stuff. Thanks

Last edited by 93ss406; 06-18-2015 at 08:50 PM.
Old 06-18-2015, 09:42 PM
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I'm sure Danny Richards has some good advice for you. But basic knowledge says to go lower on the control arms or change the torque arm... But I'm. Half wit at this stuff.
Old 06-18-2015, 10:00 PM
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So control arms need to angle down then
Old 06-19-2015, 08:41 PM
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Test it now that the anti-roll bar is in the car before making any more adjustments. My car would twist and wheel hop really bad before I put the MWC anti-roll on. Now, no more wheel hop and the car launches straight, no more twisting.

I moved the Lca to the lowest hole, and it would hit the tires really hard, carry the front tires 6-12" in the air for 20' then unload the rear suspension and spin the tire. Eric at MWC suggested I tightening up the front shocks a couple clicks, and moving the bar back up 1 hole. Get the LCA a bit more parallel with the ground so, so it didn't hit the tires so hard. Big improvement car stays closer to the ground and doesn't spin anymore.
Old 06-19-2015, 10:18 PM
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Ok thanks for the advise. Ill hopefuly get to run Wednesday and I'll update how it done
Old 06-20-2015, 01:24 AM
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Originally Posted by miles99z28
I'm sure Danny Richards has some good advice for you. But basic knowledge says to go lower on the control arms or change the torque arm... But I'm. Half wit at this stuff.
Drag setups are a bit out of my wheelhouse, I'm a corner carver. But a quick search on google (side tip, if you every need to search something for these cars, go to google and type your search then add site:ls1tech.com to the end of your search and it will limit results to only come from this website) doing that I found these threads on the subject that suggest using a lower hole on the relocation brackets for better launching on drag cars.

post #3 here https://ls1tech.com/forums/suspensio...n-bracket.html

and post #5 here https://ls1tech.com/forums/suspensio...t-setting.html

but like other have said, try your most recent changes first and then decide if you need more.

I can't find it now but there was another thread that had graphics that explained it all real well. basically for the street you want the lower control arms level to slightly uphill from the rearend to the body so the weight of the car is pushing down on the rearend, because if it's the other way you lose traction and have wheel hop because the control arms are "pushing" up on the rear end, this is commonly experienced when you lower a car (if I keep the car much longer I desperately need to get a set of these to complete my setup), but you don't necessarily want to go to extreme with it on the street because it could affect your cornering, but straight line drag races don't need to corner and want the best launch so you go with the steeper angle. it's all a balancing act to find what works best for your exact setup.
Old 06-26-2015, 09:59 PM
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Well I dropped lca one hole,installed roll bar, pinion angle is at -2 1/2 degrees, torque arm 2nd from bottom hole, qa1 7 clicks from 0. Still hopped a little bit not as bad. Any advice on what I should do nect
Old 06-26-2015, 11:21 PM
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Try setting tq arm between 1.5 and 2
Old 06-27-2015, 09:54 AM
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Originally Posted by SCott5
Try setting tq arm between 1.5 and 2
1 or 2 hole from top?

Also do I need to drop lca 1 more hole. It's slightly downhill setting on ground

Last edited by 93ss406; 06-27-2015 at 10:02 AM.
Old 06-27-2015, 10:58 AM
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Your degree
Old 06-27-2015, 11:10 AM
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Angle the front of the torque arm down another hole towards the ground.
Old 06-27-2015, 11:18 AM
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3* negative on degree.
Old 06-27-2015, 11:21 AM
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Originally Posted by HISS
Angle the front of the torque arm down another hole towards the ground.
It's a Midwest short torque arm. I've got one more hole under the current one. I will
Move it down to that one. Do I need to leave control arms where they are or drop them another hole
Old 06-27-2015, 11:30 AM
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Make one change at a time so you can see how each adjustment affects your setup.
Old 06-27-2015, 11:49 AM
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Going to drop lca to bottom hole then try it tonight. I'll update what happens thanks for the input guys

Last edited by 93ss406; 06-27-2015 at 12:52 PM.
Old 06-27-2015, 06:24 PM
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Originally Posted by RixTrix
Make one change at a time so you can see how each adjustment affects your setup.
This. And if you have a few buddies that can help ya. Try to make changes at the track as far as what hole and so forth since that is an easy change
Old 06-28-2015, 12:50 PM
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Well got rained out so have to wait a week and try it again
Old 06-30-2015, 09:00 AM
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Originally Posted by 93ss406
It's a Midwest short torque arm. I've got one more hole under the current one. I will
Move it down to that one. Do I need to leave control arms where they are or drop them another hole
Make the torque arm adjustment first. I'm sure it will help. If it still has some hop drop the lca's down a hole. Basically if you have the lca's on the bottom setting but the torque arm moved up a hole or two it's counter productive.
Old 06-30-2015, 05:32 PM
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Ok will try it, thanks



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