I just purchased a good running 2001 6.0 for my 2001 Silverado w/4.8. I drive this truck 5 days a week 80 miles round trip to work. My question is what can I do to the 6.0 to increase performance and not take a huge hit on driveability or gas mileage. It is a LQ4 engine. I can do any of the work myself but just don't have any experience with the LS Series engines. Can you shave the heads to get to the LQ9 compression and is it worth it? Would a stock Z06 cam and springs be a good choice? I have read that shorty headers on these engines is a waste of time. Is that the case? My truck has 3.08 gearing. The trans has a stock converter. I just don't want to reinvent the wheel here so if you have some good experience with what I am looking to do please let me know. Thanks Keith.
I dont think you have 3.08 gears. But 4.10s will make a huge difference. I would go with a bigger can then that and a small conveter like the circle D restalled tb stall. And get a Nelson tune....Nelson Performance - Performance without Sacrificing Drivability
2000 Silverado ECSB- 5.3 CAI, Pacesetter LTs, ORY- Pipe, Magnaflow XL, E-fan, Ported T/B , Nelson Tuned, Built 4l60e, Circle D Stall, 3.42s G80, 2-4 Drop, Hertz Highs, Rockford 501s *Waiting to be Installed* 220/222 .581/.581 114lsa
2007 Hyosung GV650 The Little 650 Cruiser that could. 12.7 at 104 Mph
2004 Buell XB12s
Originally Posted by LamboDoNoMo
I have owned the truck since new so I know the gearing is 3.08. 1700rpm@65mph. Any help here would be great.
if you put some smaller chambered heads on there you can make some more power without anymore gas
02' Silverado RCSB, CAI, LTs+ORY, 65E Servos, 1.75:1 SS-LW shaft rockers, Custom E-fans, Black Headlights and Bumper Lights
Up Next: 2/4 drop, 18'' titan 5spokes, forged 370ci, Beefed up 60E with HD2kit
243's off an 07+ 5.3 would be good on there
'06 Silverado"CASH"It does the ton.
that sounds like 3.42 gears. 4.10s will wake it up for sure though
Slowest in Oklahoma...
Thats funny my truck does the same at 65 and I have 3.42s.....On another note these trucks didnt come with that gear ratio.
2007 Hyosung GV650 The Little 650 Cruiser that could. 12.7 at 104 Mph
2004 Buell XB12s
The original window sticker says 3.08 but that seemed a little strange to me since the truck also has the towing package and six lug suspension. Not trying to sound like a know it all but that is what it says. I will check it and I hope you guys are correct.
gu4 or gu6 option code
2007 Hyosung GV650 The Little 650 Cruiser that could. 12.7 at 104 Mph
2004 Buell XB12s
The window sticker says GU4(3.08) but the sticker in the glove box say GU6 (3.42) with G80 posi. Did GM put 4.10 gear in these trucks? What will that do for gas mileage? This is my daily driver..
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