DJ2003

Whats The Most Power You Can Get Out Of A Stock Block?
I Have A 03 L And My Mods Are

Acufab Tb
Jlp Valve Body
6lb Pulley
Denzo It24
Airade Cold Air With A 12 Inch Filter
Boost Bypass
C&l Tru Flow Tube
Magnaflow Exhaust
Runnin With The Devil Dyno Tune (predator Programer)
And I Got 403hp/501trq At The Wheel

I Was Just Wondering How Far I Can Go Before I Have To Get A Built Motor

GK_crewchief

Well, you are going to get a variety of answers to this question. I have heard around 500HP. I am making around 430-440HP and 509 RWTQ on mine and have had no issues and have all supporting mods. As everyone on this forum will tell you, it is all in the tune!! Good Luck!

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*Built and Tuned by Arthur Todd in Conway,SC*

Street Tune: 621HP/650RWTQ at 16psi 14* timing 93oct. Fuel with 6lb lower/3.5" upper

Kenne Bell 2.6L
AVT Built Motor with Manley Rods, Manley Pistons and all ARP Hardware, JLP Stage II CNC Ported Heads, Stage II Comp Cams, Custom Air Box and 4" Intake Tube, SCT BA2400, JLP/Bassani Competition R 3" Exhaust, JDM Electric Fan Kit, JLP Powercooler, AFCO Heat Exchanger, Walbro fuel pumps, 60# Injectors, FTVB, F-250 Super Duty Transmission Cooler, JLP Traction Bars, QA1's all around, So-Cal shock extenders, Nitto NT555's, HID kit for headlights and fogs, Carbon Fiber radiator shroud, wire loom, and battery terminal covers.