[68GMCCustom]

Finally found your thread. You mentioned you could run my combo....info below. Thanks in advance! Would be interested in what your program comes up with for power numbers. Also if it helps...out of only 2 shake down runs with no changes/no tuning (and probably off) ran 8.4676@82.80 - w/1.9446 60' - 5.4809 330'

Engine info
4.00
3.622
Factory
Electric Water pump? No
Electric Fan? Yes


Head data:
2.16 in. / 1.59 ex
stock L92 flow
9.65:1 comp.

LSX dual plane
Carb - 750cfm Street HP

Header Data:
1 7/8" Tube Diameter
30"? Tube length to collector (this can be your best guess, but the more accurate, the better)

Cam info:
LSr273
223/231@.050"
.610/.617 1.7:1
107* icl
112 LSA
factory


Vehicle Data
est 3850lbs
est - 60/40?
200-r4
2500 stall
3.73
eaton posi
315/60-15 MT ET Street d/r - too tall for my gear ratio

no NOS