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Thread: 8.1L engine..

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  1. #1
    Join Date
    Feb 2008
    Location
    Arizona
    Posts
    648

    8.1L engine..

    Whats up with those engines? can we put them in our trucks? are they worth it? can we upgrade them performance wise??
    06' Silverado RCSB 5.3L 4wd..
    PERFORMANCE: Cam, Springs, Pushrods, P&P heads & 3 angle valve job, Injectors, PS LT's & ORY, Nelson Tune, Catback, CAI, Comp Cam Double Timing Chain, HP Oil Pump, UD Pullies, ARP bolts, Stall, TBS, 4.10's, Iridium NGK's, G-80, 160 t-stat, HD-2 & Vette Servo, 46,000 tranny cooler, 75-125hp shot of funny Gas..
    HID's Hi, Lows & Fogs
    Waiting to be installed: LC-1 WB & Standalone system

  2. #2
    ff_jeff Guest
    you can, but the after market isnt really there on the big blocks. they really dont make more power than a lq9... they make more torque, but get crappy mileage.

  3. #3
    Join Date
    Oct 2007
    Location
    Bentonville Ar.
    Posts
    215
    they burn alot of oil
    just a tow package

  4. #4
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    There are probably more parts for big blocks than there are LS engines because they've been around so long BUT....

    An 8100 is not an average BBC. There are a lot of weirdo things about them compared to an old school BBC. Because of this, there is not much aftermarket support.

    They're realllllyyyy heavy too.

  5. #5
    Join Date
    Feb 2008
    Location
    Arizona
    Posts
    648
    humm.. thats what I thought... heavy, not much diff between them and lq9 in hp.. weeell... I guess I will keep lookin for a 6.0L... Thanks pals..
    06' Silverado RCSB 5.3L 4wd..
    PERFORMANCE: Cam, Springs, Pushrods, P&P heads & 3 angle valve job, Injectors, PS LT's & ORY, Nelson Tune, Catback, CAI, Comp Cam Double Timing Chain, HP Oil Pump, UD Pullies, ARP bolts, Stall, TBS, 4.10's, Iridium NGK's, G-80, 160 t-stat, HD-2 & Vette Servo, 46,000 tranny cooler, 75-125hp shot of funny Gas..
    HID's Hi, Lows & Fogs
    Waiting to be installed: LC-1 WB & Standalone system

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