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Old 01-16-2015, 11:47 AM   #1
Wasted Income
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Join Date: May 2002
Location: Mackinaw, IL
Posts: 2,200
Re: more HP from LQ4

Here are some real world numbers from a car I built a few years ago.

Engine Details:
2002 LQ4
Stock untouched 317s with dual valve springs
XR281HR, 228/230, .571"/.573" - 112 LSA
Hardened pushrods
LS6 intake with stock truck cable TB
LS6 injectors
0411 PCM tuned Open Loop, Speed Density by me
1-3/4" longtubes

Other Details of the car:
3" true dual exhaust
4L80E with a 3400 stall
3.42 gear, 8.5" 10-bolt Grand National Axle


This combo made 409 rwhp on the motor, and 536 rwhp on the jug. It has been stone reliable, even with about 30 bottles of dope run thru it.

https://www.youtube.com/watch?v=5YLgLyPRh3w
__________________
1972 2wd K/5 Blazer Turbocharged 370 LSx - 941 rwhp / 1093 rwtq
1969 Chevy K-10 L33 5.3 / 4L80E / NP241 / 4" lift
1964 Buick Skylark Twin TURBO 383 LS pro-touring project
2014 VW Passat TDI - Daily Driver
Turbo diesel
2015 Sierra Denali HD Duramax Turbo diesel
2016 Ford Explorer Sport - Twin Turbskis
2017 Polaris RZR Turbo
2014 Nor-Tech Center Console - Twin Supercharged Outboards

TURBO ALL THE THINGS!!
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