Advice on suspension setup
Advice on suspension setup I posted this in the suspension section, I am looking to build a dailydriver/strip setup. I figure it has a little to do with drag tech, so here is the link. Thanks for the help.
https://ls1tech.com/forums/suspension-brakes/246456-help-me-build-street-strip-suspension.html
https://ls1tech.com/forums/suspension-brakes/246456-help-me-build-street-strip-suspension.html
Ok, not an expert either, but here's my $.02.
SFC number 1 priority or you twist the chassis = not good.
LCA w/ relocation brackets should definately help, I dont use the bushing type, solid ends for me.
Adjustable Torque Arm will/should help set at 2*
Rear end WILL POP its only time before it goes!
Tires, DR on an M^ arent going to do a lot unless YOU the driver can really work with. You may not think more then .1 is on you, but I have seen a car with owner slip out of the hole Consistenly, then a DAMN GOOD M6 Driver drive the same car out of hole and get anywhere from .2-.4 better out of the hole, so yes, a lot is on the driver and much on tires.
I use adjustable HAL's, R type up front and Stars in the back. Set it on soft as hell for front and hard as hell in back, lifts the fronts up nicely without over doing it (need more power to reacht any higher really), stock rear springs in rear and HAL front springs. I dont think the V6 springs are going to help you out any really. An airbag only once you really get some power to the ground, I am cutting 1.4s, with my A4 and spraying out the hole on ET Streets...enough to lift the front and barely squat the back. Thats with the front sway bar on.
I noticed very little difference (at the track) on or off, after over 600 passes in less then a year! But on the street notice it big time. Never took the rear bar off, but I would upgrade to a Wolfe or heavier duty Spohn type later, better for street and launches, then you dont need an airbag!
Longer than I wanted but hope this helps.
SFC number 1 priority or you twist the chassis = not good.
LCA w/ relocation brackets should definately help, I dont use the bushing type, solid ends for me.
Adjustable Torque Arm will/should help set at 2*
Rear end WILL POP its only time before it goes!
Tires, DR on an M^ arent going to do a lot unless YOU the driver can really work with. You may not think more then .1 is on you, but I have seen a car with owner slip out of the hole Consistenly, then a DAMN GOOD M6 Driver drive the same car out of hole and get anywhere from .2-.4 better out of the hole, so yes, a lot is on the driver and much on tires.
I use adjustable HAL's, R type up front and Stars in the back. Set it on soft as hell for front and hard as hell in back, lifts the fronts up nicely without over doing it (need more power to reacht any higher really), stock rear springs in rear and HAL front springs. I dont think the V6 springs are going to help you out any really. An airbag only once you really get some power to the ground, I am cutting 1.4s, with my A4 and spraying out the hole on ET Streets...enough to lift the front and barely squat the back. Thats with the front sway bar on.
I noticed very little difference (at the track) on or off, after over 600 passes in less then a year! But on the street notice it big time. Never took the rear bar off, but I would upgrade to a Wolfe or heavier duty Spohn type later, better for street and launches, then you dont need an airbag!
Longer than I wanted but hope this helps.
I have an A4 with a 3200 stall (don't know where you saw M6 
)
Do I have to get LCA or will my stock ones be fine? What is the benefit from aftermarket?
How much does the TA really help? is it worth the $
I know the rear will go eventually, trying to take it easy on it, which is why I haven't stepped up to ET streets yet.
From what I have read, V6 springs are the poor mans shocks - my current spring rate is 320front/120rear as opposed to 292front/114rear. I don't think I am getting very good weight transfer due to the stiffer rates so was thinking that the 93-97 V6 rates of 223front/95.4rear would really help that.
) Do I have to get LCA or will my stock ones be fine? What is the benefit from aftermarket?
How much does the TA really help? is it worth the $
I know the rear will go eventually, trying to take it easy on it, which is why I haven't stepped up to ET streets yet.
From what I have read, V6 springs are the poor mans shocks - my current spring rate is 320front/120rear as opposed to 292front/114rear. I don't think I am getting very good weight transfer due to the stiffer rates so was thinking that the 93-97 V6 rates of 223front/95.4rear would really help that.
Sorry, I linked to the other thread and thought the M6 was from you, but that was RI Red. Ooops.
LCA's: I replaced mine, as most do and it did help squash the wheel hop, which snaps axles. I originally had a set of Poly Bushed ones, but after the hard first year I had the car, the bushing deformed and I replaced the whole LCA with BADZ solid arms and rod ends, never looked back, noisier but I like them.
TA: I just got a GP going thru Phil @ FLP for the Alston Chassis model, although it's not a crossbrace mount style, this one requires a plate to be bolted in the DS Tunnel for the forward mount of the TA, it maintains the best ground clearance, is adjustable, and clears True Duals, $305 + S&H. From everyone I know, the adjustable TA, once set to the right angle, will really help the 60' times, it pre-loads the rear during launch to lessen the shock to the tires, which keeps them from blowing off the line as much.
Rear: I just had my factory 10bolt go out, after over 600 passes, plenty in the 1.4-1.7 range launches, and lots of more abuse...the A4's are way easier on the rear, and I would say that 1/3 of the passes were on DR's, 1/3 on ET.Streets and 1/3 on ET Drags, so theres a few hundred either way and yes I went thru a lot of tires, but in the end I had the traction sorted it, just needed more off the line motivation, bigger spray!
Springs: Compression in the front you want hard, and rebound soft, this lets the front rise quick and settle slow keeping more weight to the rear. And in the back I go a little harder compression and slow rebound, which springs do play a part in, but the valving on the shocks really help out. I keep the Hal's in the rear around 6-8, which is hard to compress and rebound is relatively quick, unfortunatley they dont have a two way adjustment on the rear stars. Rather than squatting the rear way down and jouncing is back up through the run, I prefer to keep stiffer so the front lifts more and keeps the stability running down the track if I get out of the groove.
Charlie
LCA's: I replaced mine, as most do and it did help squash the wheel hop, which snaps axles. I originally had a set of Poly Bushed ones, but after the hard first year I had the car, the bushing deformed and I replaced the whole LCA with BADZ solid arms and rod ends, never looked back, noisier but I like them.
TA: I just got a GP going thru Phil @ FLP for the Alston Chassis model, although it's not a crossbrace mount style, this one requires a plate to be bolted in the DS Tunnel for the forward mount of the TA, it maintains the best ground clearance, is adjustable, and clears True Duals, $305 + S&H. From everyone I know, the adjustable TA, once set to the right angle, will really help the 60' times, it pre-loads the rear during launch to lessen the shock to the tires, which keeps them from blowing off the line as much.
Rear: I just had my factory 10bolt go out, after over 600 passes, plenty in the 1.4-1.7 range launches, and lots of more abuse...the A4's are way easier on the rear, and I would say that 1/3 of the passes were on DR's, 1/3 on ET.Streets and 1/3 on ET Drags, so theres a few hundred either way and yes I went thru a lot of tires, but in the end I had the traction sorted it, just needed more off the line motivation, bigger spray!
Springs: Compression in the front you want hard, and rebound soft, this lets the front rise quick and settle slow keeping more weight to the rear. And in the back I go a little harder compression and slow rebound, which springs do play a part in, but the valving on the shocks really help out. I keep the Hal's in the rear around 6-8, which is hard to compress and rebound is relatively quick, unfortunatley they dont have a two way adjustment on the rear stars. Rather than squatting the rear way down and jouncing is back up through the run, I prefer to keep stiffer so the front lifts more and keeps the stability running down the track if I get out of the groove.
Charlie
