fcompean

So i was wondering what does it take to get to get into the 10s?

My truck is an 08 nnbs
with a stock bottom 6.0L ly6
L92 heads
231/247 115 lsa
D1 procharger with 3.6" pulley on 13-14psi
meth injected
built 4l65E
3600 Yank PTS
4:10 gears
29" tall tire



being we only have a 1/8 mile near by, I finally had to chance to run down the 1/4 mile this past weekend in a 80 degree florida summer night

this is how she did

1.66 60ft
4.65 330 ft
7.2 1/8
92 mph
11.4 1/4
117 mph

something i do notice is i shift into 4th before the 1/8 and i feel she dies bad after that

what do you guys recommend doing to bring my ETs down?

06 4.8

iTrader: (5)

Who tunes your truck? (I also live in south FL, okeechobee) With your setup, it should go 10s. MPH seems a little low.

03sierraslt

iTrader: (22)

How are you hitting 4th gear below 92mph at wo?

06 4.8

iTrader: (5)

I saw that too and just assumed it was a 6L series. Didn't realize it was a 4L.

Maybe he meant 3rd??

black00chev

iTrader: (2)

More like WHY is it going into 4th at all? With a 4L65 that thing shouldn't ever leave 3rd at WOT.

fcompean

Jeremy from fasterproms

fcompean

What should my mph be going into 4th?

I thought maybe the 4:10s was the cause of that

GMCtrk

iTrader: (27)

Even with 4.10s and 29s you shouldn't be going to 3rd gear until 80 mph. And never shift to overdrive in wot

06 4.8

iTrader: (5)

Are you sure it's not just locking the converter in 3rd? Don't think Jeremy would let it go into 4th WOT.

And IMO get a different tuner anyways. Give Redline motorsports or Lashway a call. Lashway has my buddy's heavy tbss running 10.9 on 13psi on a cam only long block

fcompean

I'll post a video in a bit