rb92673
racecar
- Joined
- Jan 17, 2017
- Location
- San Clemente
I have a 1985 745T Lemons car that I bought off another racer. I have done two races at Buttonwillow and the suspension is super floppy, and I believe my rear brake lockups are due to nose dive.
We are severely budget limited for upgrades, but I need to do something to be a little faster and stop the rears from locking to keep up with 150 other cars on the same track at the same time.
I pulled the suspension off my car yesterday and it had Bilstein Touring all the way around, all the shocks were totally blown. I could compress them easily with one finger.
1985 Volvo 745T, 230FT (stock boost), M46
15 Wheels with 205/50/15s
~25mm front bar, none in rear.
Track only, not street registered.
Here is what I am thinking:
Front:
- Bilstein HDs (I don't think Judges can tell if it's a Bilstein or KYB as long as it is not adjustable)
- 2.5" ID Coilover springs, 300lbs?, 14 or 16 inches? I really don't know. I think it has stock springs, certainly cut, they measure about 15" top to bottom. I don't want it slammed. I could use some suggestions.
- 2.5" ID strut top. I don't understand how those would fit into the upper bearing. Do I just remove the rubber coil spring bump stop?
- I want to use the existing lower perch for budget reasons, I would use some PVC pipe to center.
Rear
- Bilstein HDs or KYB Gas-adjust (for budget reasons since these are easily viewable)
- Is there a stock spring that would match up well with 300 lbs up front and still fit in the stock hardware? I saw the Moog-8599 that seems similar (13.3 length 249lb spring rate), but I don't know if it will fit in the stock upper mount. Previous owner welded in a 3" x 3" exhaust tube on the lower perch, presumably to keep the coil in place at full droop. Existing coil does not look cut or progressive and measures about 14" long.
I am also going to max the camber by re-drilling at the top.
Thanks.
We are severely budget limited for upgrades, but I need to do something to be a little faster and stop the rears from locking to keep up with 150 other cars on the same track at the same time.
I pulled the suspension off my car yesterday and it had Bilstein Touring all the way around, all the shocks were totally blown. I could compress them easily with one finger.
1985 Volvo 745T, 230FT (stock boost), M46
15 Wheels with 205/50/15s
~25mm front bar, none in rear.
Track only, not street registered.
Here is what I am thinking:
Front:
- Bilstein HDs (I don't think Judges can tell if it's a Bilstein or KYB as long as it is not adjustable)
- 2.5" ID Coilover springs, 300lbs?, 14 or 16 inches? I really don't know. I think it has stock springs, certainly cut, they measure about 15" top to bottom. I don't want it slammed. I could use some suggestions.
- 2.5" ID strut top. I don't understand how those would fit into the upper bearing. Do I just remove the rubber coil spring bump stop?
- I want to use the existing lower perch for budget reasons, I would use some PVC pipe to center.
Rear
- Bilstein HDs or KYB Gas-adjust (for budget reasons since these are easily viewable)
- Is there a stock spring that would match up well with 300 lbs up front and still fit in the stock hardware? I saw the Moog-8599 that seems similar (13.3 length 249lb spring rate), but I don't know if it will fit in the stock upper mount. Previous owner welded in a 3" x 3" exhaust tube on the lower perch, presumably to keep the coil in place at full droop. Existing coil does not look cut or progressive and measures about 14" long.
I am also going to max the camber by re-drilling at the top.
Thanks.