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Thread: How Much Horsepower Do These Stock 4l60/65e Handle?

  1. #21
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    Its a toss up. If your motor is stock--sometimes they last 200k miles, sometimes they last 20k miles. But if you start throwing decent power at it (330+rwhp), they tend to loose the 3-4 clutch pack quickly and the bands wear. I would not be scared with a 65e, HD-2, and servos. If that tranny can;t hold the power--its obvious you need to step up and have a 65 built to LVL 5 specs. If you blow that--time for an 80e!

    2000 ECSB 6.0L
    TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's

  2. #22
    Join Date
    Dec 2003
    Location
    Azle,TX
    Posts
    3,682
    You know the bad part of all that Tyler is,All the money spent on trannys finding all this out! LMAO
    Vortec Performance Tuned
    LQ9 built 4L60 LTs and a billion miles on the speedo!

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