SuperSlow02

iTrader: (16)

Also with shocks you can help with the twisting, the right rear can be stiffened up more then the left

fastGBcamaro

iTrader: (10)

My opinion is in the rear drag bar as well. The car is twisting way to much. The car appears to plant the tire fine on launch, but just as it starts to twist it blows the tires off.

edub80

iTrader: (2)

Yea I know I could use some shocks.... I think a drag bar will help too

edub80

iTrader: (2)

ok so an update

I installed some comp 3way drag shocks and I set them at the 50/50 setting (I think) not the greatest invention for adjusting shocks I might say lol

took it for a ride earlier and its pretty stiff now

also I took it to a secluded concrete road where I do alot of my testing
results is it don't seem to squat and it still spins but its moving forward now

im a little disappointed with this car
previously I was running a 4l60e with a circle d 4c 3600-3800 stall and a 10 bolt with 3.73 gears and a 275/40/17 MT drag radial and it would dead hook on the street (150 shot) out of hole

NOW.... since I swapped in a th400 and a 9" 4500 nitrous converter and a 12 bolt with 3.73 gears and a 295/50/15 MT drag radial I cant hook for **** on motor on concrete

im at my wits end and don't have a clue
im up for suggestions

TAGOES11S

iTrader: (13)

Car is twisting unloading left rear. Good sway bar in back would make a big difference.

I assume you have subframes and/or 6pt cage?

edub80

iTrader: (2)

yea I have SFC but no I don't have any type of cage

Cra-Z Larry

Is your front swaybar removed?? Do you have a transbrake now with the th400?? Maybe change the n2o activation to 5000 rpm, until you get the susp. working better. What is your best et/mph with this setup??

edub80

iTrader: (2)

front swaybar is removed
th400 has a TB but it is not hooked up at the moment

Cra-Z Larry

What's the rest of the motor work?? My best 1/8 mi. time is 7.387/91.82mph and that was with the 10 bolt and 4.10s, same tires and lighter wheels.

edub80

iTrader: (2)

ls1 afr 205, 230/234 cam and fast 92

Cra-Z Larry

You may end up going to a bias ply tire especially if you use the transbrk. in the future. At this point, more susp. work/adjusting what you have and maybe back the n2o down, its no fun blowing the tires off every pass!! JMO! Good Luck and keep us posted!

edub80

iTrader: (2)

went to the the track last night and did a couple of hits
here is a video of a pass.... it seems to have quit twisting after the the new shocks
60ft was 1.67

I don't know how I can get the 60 any lower

Slowhawk

iTrader: (12)

Needs a track bar and the bars setup to put instant center out in front of the car.

My car was stupidly consistant with stock shock's/springs/track bar at 1.40 60's.

Also, don't count out that the converter could be completely wrong for the setup too.

edub80

iTrader: (2)

track bar? as in a drag bar?? I have my torque arm set in the middle hole of my relocation crossmember... I was thinking about raising it up to the top hole

Slowhawk

iTrader: (12)

Yes, drag bar/track bar. You have to measure out the points. I can't really tell you were they should be.

edub80

iTrader: (2)

ok... but from my understanding is that the drag bar helps plant both tires evenly

but since ive went with these shocks it looks like its not twisting and from reading on this site drag bar is mainly to help the car from not twisting

DaytonaBlues

im assuminng your footbraking the car and letting the converter flash to like 5 grand? awfully high stall speed especially if your hitting with a 100 out of the hole. before you said the car was *** tight hooking on the street with a 150 shot?? whats inside that 12 bolt? a locker or a spool? obviously a lot changed when you changed to that th400 and 12 bolt since before you said it was hooking great...on the STREET. i dunno. a 4500 nitrous converter is probably flashing to 5 grand with a big hit of nitrous. id thow 4.10's or 4.56's in that thing and try a longer burnout. and this is just me but like someone said that converter may be too much stall for what you are trying. id try to get best you can do without bottle and see if that switches it up. footbrake the poop out of it and launch off the bottle instead of on so you can feel what that rear end is doing.

im just real curious how you launch, what rpm are you launching, and what hit of nitrous you are using and when...

edub80

iTrader: (2)

ok the updated video is on motor
I stall it up to around 3000
12 bolt has a locker in it with 3.73

the car did not spin last night but I didn't spray it either so idk

thinking about going back to track Friday and seeing what it will do on spray (150shot)

DaytonaBlues

stay at 100 shot and try it again. im suprised you got such a large converter in there. id say that something like a 3800 nitrous verter would be sufficient enough for you, especially if your hitting a 150 right off the lights. that converter is gonna flash past 3800 to 4 grand anyways before it grabs and you got a 4500 in there probably flashing to almost 5,000 rpm with a big nitrous hit. i betcha your blowing the tires loose because as soon as the converter catches up to the motor, it overloads the tires, and its probably timed perfect with the nitrous too. just real wierd how before you were hooking on the street with a 10 bolt and th400. those tires may be suspect too. drag radials and nitrous are always hard to get to agree with each other.
its hard to see from that first video but it looked like the car hooked good for the first 10feet then wham, tires busted off. i woulda loved to see what your tach was doing..lol

edub80

iTrader: (2)

I was hooking on the street with 10bolt and 4l60e
when I swapped to the th400 I put the 12 bolt in at same time and that's when traction has went to ****

I went from a 4l60e with a circle d 4c which it would flash to around 4200 on spray
to now a th400 with a 9" hughes converter that flash to 46-4700 on the spray
so its roughly 500rpm more flash and I really think something is up with the geometry of the suspension

im really considering moving my TA up to the top hole on my relocation crossmember and resetting the Pinion angle just to see what it will do