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Thread: Simp's M923 Big Cam Repower

  1. #111
    I'm the dude, man. Steel Soldiers Vendor simp5782's Avatar
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    Post install - I did not get on it too hard today. It boosts a little slower but you can't really tell it as it pulls way before the boost picks up. I did hit 32lbs of boost at one point. Mostly hanging around 25/30 before I am getting out of it. Even at a 40mph roll itll jump to 30psi quick and i am at 64 and approaching 2200rpms pretty quickly. I will probably be able to increase the fuel rate as she isn't even making a haze at the moment at WOT. EGTs don't even get near 800 even at WOT and sitting in a slump at around 1200rpms in 16th gear itll boost up quickly and not climb on temps... These are all unloaded with just the truck of course.. Will see tomorrow when I put the FMTV on the trailer and take her for a spin. I did have to double clamp the turbo hose as it blew it off at 35psi. Intercooler is rated at 28lbs continuous and up to 40lbs intermittently according to the builder.

    Yes I know my Tach isn't working. I just got the parts in for a digital display tach and the digital sender for the PT pump i need to get it done.

    video is a little shaky but i have not had time to get my go pro install done.
    Last edited by simp5782; 03-05-2019 at 23:56.
    2008 F-250 6.4L Powerstroke
    1984 AM General M923A1 ( Big Cam III NTC-400, HT3B turbo, Intercooled, #15 button, Dual fuel Line setup - MRAP Aluminum Radiator - 8" Ram Air Intake system - Dual 115 gallon tanks - Air Conditioning - 145amp alternator - Puradyn Oil Bypass system, CAT 7155 16speed transmission, Oshkosh 55000 Transfer Case, riding on 16.00 AT-3s on HEMTT wheels. )
    83' M923A1
    M796 Bolster
    M322 Equipment Trailer
    MEP-804A


    901-318-8353 for Help in and or around the Memphis area or transporting in the southeast. Text me first before calling.

    Tires (HMMWV, 395s, 1600s) and Transportation Vendor

    Wes

    Videos at https://www.youtube.com/results?search_query=5782simp

    https://www.youtube.com/channel/UCTd...D4dOJidPFnmYGA

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    marchplumber (03-05-2019), silverstate55 (03-06-2019)

  3. #112
    4 Star General 74M35A2's Avatar
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    Heck yeah, turn it up.

    Same with the air governor. 152psi is not enough (gauge pic).
    CFO @ Portacharger

  4. #113
    I'm the dude, man. Steel Soldiers Vendor simp5782's Avatar
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    Quote Originally Posted by 74M35A2 View Post
    Heck yeah, turn it up.

    Same with the air governor. 152psi is not enough (gauge pic).
    Cat transmission likes having its air. its Turned up for cold climate. In case of a freeze up it gives me about 90 mins of operating time of air in the tanks for normal highway driving if a line freezes or something else. That is 150psi on 4 12gal tanks and 2 5 gal tanks. And 1 7 gal tank. It allows me to get to safety over those piddly 4 tanks at 125psi on a stock truck. Transmission has to have 60psi to operate above 11th gear and 85psi in the 7th to 11 range
    2008 F-250 6.4L Powerstroke
    1984 AM General M923A1 ( Big Cam III NTC-400, HT3B turbo, Intercooled, #15 button, Dual fuel Line setup - MRAP Aluminum Radiator - 8" Ram Air Intake system - Dual 115 gallon tanks - Air Conditioning - 145amp alternator - Puradyn Oil Bypass system, CAT 7155 16speed transmission, Oshkosh 55000 Transfer Case, riding on 16.00 AT-3s on HEMTT wheels. )
    83' M923A1
    M796 Bolster
    M322 Equipment Trailer
    MEP-804A


    901-318-8353 for Help in and or around the Memphis area or transporting in the southeast. Text me first before calling.

    Tires (HMMWV, 395s, 1600s) and Transportation Vendor

    Wes

    Videos at https://www.youtube.com/results?search_query=5782simp

    https://www.youtube.com/channel/UCTd...D4dOJidPFnmYGA

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    silverstate55 (03-06-2019)

  6. #114
    Moderator WillWagner's Avatar
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    HT4B bearing housings were never threaded, there is an adapter kit to go from T46 to HT turbos.
    ASMH Volunteer

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