• 6.5L GM Diesel

    Optimizer 6500 

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    More Power
    Published on 11-02-2020 13:57
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    Optimizer 6500
    Diesel Power for AM General's HMMWV
    Written by Jim Bigley
    Photography by the author & AM General
    All Rights Reserved

    This article first appeared here in TheDieselPage.com in 2007.

    Since 1984, AM General's High Mobility, Multi-purpose Wheeled Vehicle (HMMWV) has been powered by the Detroit Diesel designed GM 6.2L & 6.5L diesel engines. GM's production capacity, overall low cost and adequate performance made the original GM engines a natural choice for AMG's front-line military rig. Many evolutionary changes were made to this ...
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    Robyn

    P400 Availability?

    Yeah buddy.

    That rig is worth saving though...Rare as the two door units are...and being a diesel..

    Robyn Yesterday, 14:19 Go to last post
    More Power

    Duramax Head Gasket Replacement

    While I certainly agree that shipping to Canada is too high, the cost to ship to the EU and the AU/NZ/SA is nearly twice that. We used to ship a lot of

    More Power Yesterday, 10:42 Go to last post
    More Power

    P400 Availability?

    In talking to the auto body shop about the mishap with the Blazer, I mentioned that a total buyout would have to include some "special consideration"...

    More Power Yesterday, 10:06 Go to last post
    Yukon6.2

    Duramax Head Gasket Replacement

    Got the book safe and sound
    I haven't been getting much shipped from the states lately and it showed. Had a brain fart and should have had it sent

    Yukon6.2 04-26-2025, 09:26 Go to last post
    Robyn

    P400 Availability?

    GOLD HEAD BOLT WASHERS ????
    Platinum plated crankshaft ???

    $17K is crazy
    When I built the 6.5 for Dahoooley I paid $500 for the

    Robyn 04-25-2025, 08:56 Go to last post