redneckjoe

mild 350, th350 with a chitty low stall, 3,73 gears, 255/50/16 drag radials.
NO traction at all. spinning through first and 1/2 of 2nd gear.
have founders LCARBs and control arms.
no power adders.
even a 1,000rpm launch blows the tires off.

so see if im on the right track?
moroso trick springs
drag struts
and
295/50/16 drag radials.
????

thank you for any positive input.

petrolhead

How much air do you have in the tires?

redneckjoe

ive tried anywhere from 20-45 psi. no luck.
my front suspension is shot i think. i cant push down or pull up.
autozone said my struts are lifetime and they;ll refund the difference towards lakewood drag struts. nice lady there.

ziggy89

I always start in the rear with a traction issue. I run spohn tubular torque arm control arms and panhard bar out back. and umi subframe connectors helped a lot. never had an issue with my old motor on a 275/60/15 drag radial. 295/50/16's might help quite a bit. after that I would do good shocks and struts.

redneckjoe

just to explain it further, i just ran a boy down our back road from a dead stop. its all tire spin, car fishtailing everywhere, but i still won.

so he wants to do a 20-30mph rolling start next. uh, ok. i gave him a fender and my car ran so much better, i guess the tires werent spinning as much?

batterys in the trunk, front ends been on a diet.

redneckjoe

got subframe connecters and a 12- point cage.

just blows my mind that a 350-400hp motor could blow the tires off that bad. traction is non-existent.

weight transfer issue?

keep the ideas coming.

ziggy89

the type of backroad you were on also might not have helped. sealedcoat asphault is basically just oil and chipped rock. ive don't quarter mile long burnouts with no brakes on that stuff.

RubberDucky

iTrader: (4)

I'm assuming you're heating the DRs properly, only thing I can think of is better tires.

redneckjoe

got to admitt the back road isnt nice asphalt. maybe DRs arent the best tire? but they're 26". im thinking the 295/27.7" tires might help?

sure is fun as hell, but spinnin aint winning.

really think she needs fatter tires and fix the front end/weight transfer.

redneckjoe

RD, im not heating them at all. it doesnt seem to help. just eating them up.

RubberDucky

iTrader: (4)

I guess you haven't taken it out to the track then.
No burnouts before launch?


255 is a skinny tire. I'd try the 295s or find some 15s and put 275s on it.

ziggy89

255s are still a 10" tire. the bigger drag radials might help but yes you need to heat them up. my nitto's are two different animals warm or cold. cold they wheel hop like a mother, small burnout and they hook up great. I don't think weight transfer is the problem. my firebird hasn't had any kind of a diet until this fall and all I did was aluminum heads and a fiberglass hood.

redneckjoe

ive heated them up a few times with no improvement.
from what i understand, theyre really more for a drag strip, not a back road?
i still think a taller tire is needed.
maybe im better off with a street tire?

Night rider327

iTrader: (13)

What torque arm do you have?
Open or posi rear?
Good cond, or worn posi unit?
What rear springs/shocks?

I wouldnt think the drag springs/struts up front wouldnt be needed yet in yours.

I pull 1.60's 60' times lifting front wheels on track, 0-60 mph in 2.9 second on streets

I have...
Stock V6 front springs
Worn out stock front struts
Stock V6 camaro RS front sway bar
10 point cage
Spohn SFC
Spohn adj. LCAs
Spohn LCARBs
Spohn adj. panhard
Jegster adj. torque arm
Moog Iroc rear springs
air lift drag bags in rear springs
KYB AGX adj. rear shocks
Stock camaro RS rear sway bar with ES poly mounts/end links
Nitto 275/60-15 drag raidals
detroit locker
3.89 gear
3500 stall converter

RubberDucky

iTrader: (4)

Drag radials are a step below slicks, both are meant for the track, but radials will hook better than street tires anywhere.

ziggy89

drag radials are you best bet for a street race. which is what you are doing. I agree with everything night rider said. spohn everything in the back. changed my car dramatically.

redneckjoe

i'm still using the factory torque arm, with a new poly mount and new poly tranny mount. i have considered the jegster torque arm.
its a factory posi thats been working good lately.
old rear springs and bilstein shocks in the back.

maybe i need a video? it blows the tires off like it has a couple hundred shot of nitrous. i'm just losing so much time spinning. i had a 3,500 stall and broke that, but it was even worse on a launch.

think taking the front sway bar off or loose would help?

i dont get it cause the front end has been on a major diet.

probably would do better on a track, thats for sure.

i got a race coming up with a respectable muffstain soon. really need to get this suspension sorted out.

redneckjoe

i was looking at your pic Ziggy. see how your front end lifts a bit? mine is dead flat.

Night rider327

iTrader: (13)

When you foot brake stall the converter, or start a burn out, what does the rear body of your car do? Does the rear of car squat or lift up?

I'm thinking your rear suspension is too soft, not enough anti squat, and lack of a good torque arm is what's killing you.

You want the rear body of car to lift up rather than sink down. When one squats in the rear what happens is the tires are being pushed up into wheel well rather than down to pavement.

The rear of my car is set so stiff, pushing down on 1 corner will only move my car body down 1/8" to 3/16"

redneckjoe

i'll check the anti-squat later today and see what it does.

i've got the LCA's installed in the lower hole of the LCARBs. the front of the control arms is slightly higher than the rear when viewed from the side. i'm not getting any wheel hop at all.

pushing down on the front end of my car is like pushing on a coffee table, no movement.

even playing around on twisty roads, the rear breaks loose way too easy. just no traction at all. and its just a little 350. nothing special, no power adders.

ziggy89

that pic is not the best representation of how a car should launch. that was with a completely stock suspension on a very well prepped track with my first 383. the rear does more squatting then the front does lifting.


but on another note you said you cant move your front end at all. that's bad you want the front to be able to move for weight transfer on the launch.

redneckjoe

thats the problem,...i think?

it feels like the front end is "snow-plowing".

gonna make a video in a few minutes. one of my sons is here. might take some time to upload? give me a few. i'm curious myself to see what shes doing.

redneckjoe

might have to go on facebook to see?
https://www.facebook.com/video.php?v...type=2&theater
i'm low-tech.
but tell me whats wrong?
these are stupid, low rpm launches.

LB9GTA

iTrader: (1)

Your front has to extend/lift!
The weight from the front has to push to the back to plant the tires

plum92_camaro

Drag radials don't always need a burnout. Not all drag radials are the same, some are not meant to EVER see street use, just made to qualify for a class. Some are designed for every day street use and track. Check it out.

http://www.stangtv.com/tech-stories/...-drag-radials/

redneckjoe

well, i barely beat the muffstain by a car or 2.
sure made my day. hes got a t-56 and aluminum heads. i was surprised that i won. says hes buying a new shortblock now, lol.
he did some big smokey burnout first, so i heated mine some. it seemed to help.
but my front end is still dead flat. after i change a few things, i'll post my results.

petrolhead

If your running street tires, 25psi is still too much. I run anywhere from 12-18 on my chevelle at the track, that's the only way to hook it on street tires. You can stagger the air pressure to help it launch straight. Even with posi, 2 or three psi more in the left would make it out. usually a bigger spread with an open diff.

redneckjoe

so heres what i messed with;
i put coilspring expanders on the front, cause i had them laying around. i know, dont scold me, but i had to see. i expanded the springs about 1". guess what? my front end moves up and down now.
next we unloosed the sway bar end links about 1" of thread.
now the front end moves up and down decent, but the rear looks lower.
its seems to hook much better.
so although some silly ideas, adjustments, i'm leaning towards the car needs new springs.
i might try raising the rear a tad just to see if it helps? might be time for 4 springs?