08 RCSB Sierra WT 4.8L w/3.73 & G80
has the heavy 17" steel wheels and 245 generals
took off the tailgate and spare
race weight was 4585 w/me

stock:
2.36
10.1@71.58
15.65@86.66

trans/pe tuning:
2.34
9.94@72.7
15.33@89.84

 

not bad for a 4.8

 

got it down to the following, still just tuning, everything else is stock. thinking my first mod will be a 3k converter.

2.338
9.7644 @ 74.50 mph
15.042 @ 91.35 mph

 

Nice times. Are you running a higher octane tune, or still 87?

 

93 octane now. the 15.3 in the original post was on 87.

 

You dropped .6 and are knocking on 14's.....very well done congrats!!

 

Very nice. A converter alone will get you mid 14's if you can get it to hook.

 

un baby cAm .. with high lift. . low LSA . . 212/218 . . * 56X lift . . on a 112LSA. . . . . .WOT . .

 

Nice runs and tuning!

 

yeah, with my crap 60 ft I think it will make a big difference. we will see!