budhayes3

iTrader: (19)

...when do you switch to 2wd? Right after the launch, before the 1-2 shift, or what? Just curious (if I make it to the track this year <which is doubtful but you never know>, I'm gonna try launching in 4wd)

trever1t

iTrader: (14)

I used to switch back before the 1-2, atthe top of first but I cant due to traction issues anymore. Now I switch back as soon as i drop below 3.2G's...lol, after 2nd is engaged.

Thechevyman122

iTrader: (3)

why wouldnt you just keep it in auto 4wd the whole time?

trever1t

iTrader: (14)

Never launch in 4WD AUTO.....well if you want to break something, have at it. Launch in 4WD HI and I try to disengage as soon as possible after the shift just because I 'think' it helps. Keyword, think.

JakeBrakeIH

iTrader: (22)

anyone do this with a manual shift 4wd?...

trever1t

iTrader: (14)

I don't think it should even be attempted with a manual shift 4wd., just leave it engaged.

KySilverado

iTrader: (7)

I remember my launch in 4wd Auto bright idea. How everything from the transmission rearward didn't come flying out of it I'll never know.

Launch in 4wd HI. Switch it to 2wd as soon as you can. Depends on your power level. I used to be able to pretty quick. Now if I do it before the 1-2 shift it just lights the rear up. I've even broke traction a couple times deep into second on the street with the nitrous. Wish I could catch it on video....

JakeBrakeIH

iTrader: (22)

so just run it 4wd the length of the track?

trever1t

iTrader: (14)

If you choose to launch it in 4wd with a manual shift. The other option is to beef up your rear-end and buy slicks but that takes the fun out of 4wd launching

JakeBrakeIH

iTrader: (22)

ok just checkin...I'll prolly only be 4wd for a few more months until i swap in the T56 so not really a big deal, but i would like to take the truck to the track with the 4.8 and nv3500...