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Thread: Are all the 8 pin ignition modules that same?

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  1. #18
    Fuel Injected!
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    Quote Originally Posted by rang-a-stang View Post
    I'm still pretty new to this so a couple questions up front:
    A) Are 048 and 369 both the same type of modules but different versions?
    B) Seems like I should look for the 369 module. If so, How do I identify it and is it plug and play?

    My configuration: AMC 401, fresh rebuild, Performer intake, Comp Cams 268H, 16197427, 454TB, $0E

    My symptoms: timing is set to 0, with timing plug pulled timing stays steady at 0 and it idles well. I also get a CEL when setting the timing (I assume this is normal since my computer does not see the module, and once I plug the module in, reset the computer, the light goes away). I plug in timing signal, timing bounces between between 18 and 20 (both watching at the damper with a timing light and at TunerProRT) and it occasionally surges. Give it any throttle and it quickly goes to about 32 and backfires like mad. Symptoms are the same in open or closed loop.

    Recently, I was running well but had low oil pressure. I rebuilt my oil pump (involves pulling the dizzy), now have awesome oil pressure but these symptoms. I have not verified my TDC marker since the oil pump rebuild and plan to do so soon but was also going to throw a module at it while I was in there.

    Anything else I am missing/should consider?
    I thought the 0E cal's had 4 degrees initial timing. This can be changed in the cal to whatever if you need more initial timing and also you want that value to match so what you're commanding matches.

    (BJKZ)
    ;---------------------------------------------
    ; SPARK ADVANCE CALIBRATIONS
    ; TYPE $0E
    ;---------------------------------------------
    L4132 FCB 11 ; 3.8 Deg, INTIAL SPK (256/90)
    ; (This val is sub'ed from total spk adv)

    I take that back, I just found a cal (BJDR) that has initial spark at 0, so maybe that it what you started with?
    ;---------------------------------------------
    ; SPARK ADVANCE CALIBRATIONS
    ; TYPE $0E
    ;---------------------------------------------
    L4132 FCB 0 ; 0 Deg, INTIAL SPK (256/90)
    ; (This val is sub'ed from total spk adv)

    When it starts backfiring, is it out the exhaust or out the intake?

    P.S. Fast, do you happen to know the part number of the marine module?
    Last edited by In-Tech; 06-13-2019 at 06:46 PM.
    -Carl

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