BadROC

iTrader: (6)

2 step?
tranny brake?
foot brake?

Also what transmission are you running th400's? powerglides? 4l60e/4l80e?

Looking for suggestions on what to run next year, getting back into drag racing with the car. Car is also street driven on nice days, anybody else?

Thanks in advance!
Mike

NOSJNKY

iTrader: (1)

My wifes weekly driven '02 WS6 all motor car,TH400(QA1/madman susp.)- we normally leave on the footbrake to keep it off the bumper-transbrake it if we want to scratch the bumper up a little!
My '98 WS6 daily driven nitrous car,TH400(stock susp)-Footbrake on drag radials,normally leaves nice carrying the tires out. Transbrake=drags the bumper!

BadROC

iTrader: (6)

Thanks for the quick reply nosjnky,

Can i ask what gears your running in the rear? My 4.10s worked awesome with the car NA but i think with nitrous at the track it'll be to much. Thinking of dropping down to 3.73s at least....?

How do u like driving the th400s, do you have them setup to just put in 3rd and drive lettting the tranny shift (based on vacuum?), OR so you have manual valve body's and shift them yourself? And if you do have a mvb, are you able to downshift on the street at will say a nice shiney red viper pulls up along side you while your going 45mph? or is downshifting a no-no? I've heard both sides of the story, some say its fine to do at long as the rpm your downshifting too is within your converter range and u dont pull down the motor, other say no never downshift an auto tranny.

Thanks, Mike

PS. draggin the bumper = coooooool

Scott@DrivelineSolutions

iTrader: (22)

Art Carr T350 with a 9.5" converter redone by Ultimale Converters for radials. I use a trans brake on a 2 step.

NOSJNKY

iTrader: (1)

I run 3.70 gears in both cars with 28" tires,perfect for 1/4 in my cars and still get good cruising speed. I run a manual valve body in both as well and love it. Yes ,you can downshift/upshift at any speed within range for those pesky Vipers!(just remember to put it back in first when you come to a stop). If you do a TH400 definately go with a Manual valve body.

BadROC

iTrader: (6)

That sounds awesome nosjnky, i'm liking the sound of it alot, thanks for all the advice!

I had alot of different opinions with my old th400 in reguards to downshifting and upshifting. People told me NO way! but then i'm thinking of situations of street driving, like your comming up to make a left had turn with the light still green your slowing down but not stopping, normally if u had a 6speed you'd want to downshift. So that sounds great!

STOCK12SECZ

iTrader: (42)

I run a Th350 with a Coan 8 inch 4500 stall. I also have 3.73s with 325-50 -15 M&H drag radials. Its a great cruising combo.Ill run 75 mph down the highway with no problem. Good luck with whatever you chose. Nice looking Iroc Btw

ssvert99

iTrader: (26)

i'm footbraking a 4l80e in my 'vert. using a 3400 Vigilante stall, 3.50 gears, M/T 28x10.5s. car is pretty consistent 1.37-1.38 60's. leaves with the front tires about 3-4inches up. no transbrake, or 2 step here. the trans is vacuuum modulated and is setup for full automatic or will hold any gear when shifted.

BadROC

iTrader: (6)

Where did u get that tranny from? and how much did it cost ya if you dont mind me asking?

SPRAYIN96TA

iTrader: (2)

I am running a TH400 with a 3.89 gear...I can cruise down the highway around 65mph for a while....Make sure to buy a big trans cooler and fan for it though.....My car 60fts 1.32-1.33 off the trans break leavin at 3000rpms ramping the nitrous in 100%...Off the footbreak sprayin about 3-5 foot out usally goes 1.40-1.42's if the track is off......

CJ

chrismorales75

Art Carr TH400 and 4,500 stall RMVB TB, left off the transbrake at 4,500 on motor passes, 3,500 on n20 passes with a 250 shot.

Best 60 ft's 1.43 motor / 1.30 N20

WHITE DEVIL

iTrader: (1)

glide, chance convertor, footbrake, 3:73 gear, 29" tire = 1.36 60 spinning

RAGENZ28

iTrader: (5)

My buddys car I help him with leaves at 6000 off the TB with a 100 shot, 100 shot is set to activate as soon as the TB is released, 5.13 gear 31x13 tire, mike's power glide

9.30 with a 1.30 60 ft.

JL ws-6

iTrader: (50)

I meave right off the converter (5400) th400, ultimate converter's converter, 4.10 gear 28x10.5 s et drags, 150 shot comes in right off the brake. 1.36 60 foot on the first outing with the nitrous.

G&HRacing

JW Ultra Glide, JW 9" steel stator converter 5,800, Transbrake 2-step 5200 chip, 1.30 60ft N/A 3200LBS.

kp

iTrader: (34)

TH400, 8" ATI 5500 converter, 3350lbs, 3.70 gear, 10.5x28 ET drags. 1.25-1.28 60 foots with the 2 step/trans brake at 2900rpm with the wheels about a foot in the air, drag the bumper with the 2 step at 3500rpm.

1.28-1.30 60 foots footbraking it.

ssvert99

iTrader: (26)

geez... sorry about the slow reply. i forgot i posted in this thread...
i had a local guy build it. used to work with him at the chevy dealer. he's on his own now doing well. Brooks Transmission in Tremont, IL. i think it was 2000.00 otd, core included, not including the converter. i did all the swap stuff myself, including the harness and crossmember. so far, so good! i'm not sure what he would quote... i trade w/ him all the time. i'm sure it would be very reasonable.

Silver408

iTrader: (2)

On the Gas off the transbrake with 1.34 short times on the 300 shot holding on fo dear life!!!! Its got some mid 1.2's in it and some mid-high 8's in it. GM powerglide with neal chance converter

import slayer

Doesn't that non-lock up stall get anyoing. I drive a 4400 stall but it is a lock up converter so it's not that bad at all.

import slayer

This might be a dumb question but what's the diffrence between the TH-400 trannys and the powerglide tranny's?