LT1 Ignition Module reliability improvement?
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5.0 and 5.7 Discussion, LT1 Ignition Module reliability improvement? in Cadillac Engine Technical Discussion; I just did this while I was working on going through my Opti and a new (rebuilt) water pump. Someone ...
  1. #1
    N0DIH's Avatar
    N0DIH is offline Cadillac Owners Master
    Automobile(s): 94 Fleetwood Brougham
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    LT1 Ignition Module reliability improvement?

    I just did this while I was working on going through my Opti and a new (rebuilt) water pump. Someone on a F-Body forum was having problems with heat killing his ignition module. So I did what he did, slightly different, but the basic synopsis is to stand off the ignition module from the head so it doesn't have to soak up all that heat. I used nuts to stand it off and made sure the heat sinks were clean (they were really dirty with 211K of oil sludge).

    It is noticably cooler, after a long drive, you can touch it, before, not a chance to touch it.
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  3. #2
    BCs71's Avatar
    BCs71 is offline Cadillac Owners Enthusiast
    Automobile(s): 1994 Cadillac Fleetwood Brougham (some show and some go!)
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    Re: LT1 Ignition Module reliability improvement?

    That is a pretty good idea. Thanks for sharing -- I could see how that would be helpful for longevity and possibly better performance/economy.

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