LT1-LT4 Modifications 1993-97 Gen II Small Block V8

knock module mystery

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Old Mar 29, 2006 | 12:34 PM
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Default knock module mystery

when ppl tell me to get an lt4 knock module, is it "lt4" b/c u need to have done the lt4 conversion to get it or wut?? and wut does it do for me?
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Old Mar 29, 2006 | 12:38 PM
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It is made to detect real knock from valvetrain noise caused by roller rockers since the LT4 came with roller rockers.

You can buy just the knock module for like $30.
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Old Mar 29, 2006 | 12:43 PM
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you use it when you have headers or roller rockers as the LT1 knock module will detect a knock and your car will not run right.
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Old Mar 29, 2006 | 12:55 PM
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I just bought one from my local dealer it is closer to 40's. I was surprised to actually feel a differance.
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Old Mar 29, 2006 | 05:47 PM
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I programmed mine out. I mean SBC's ran without them for 40 years. I've heard of a few guys getting retard anyway, even with the LT4 KM. I don't recommend it cuz I'm sure someone will say it's very dangerous to go without them.
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Old Mar 29, 2006 | 08:14 PM
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Originally Posted by djkyle25
when ppl tell me to get an lt4 knock module, is it "lt4" b/c u need to have done the lt4 conversion to get it or wut?? and wut does it do for me?

If your PCM was programmed properly, you don't need it.
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Old Mar 29, 2006 | 08:36 PM
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Originally Posted by dhdenney
I programmed mine out. I mean SBC's ran without them for 40 years. I've heard of a few guys getting retard anyway, even with the LT4 KM. I don't recommend it cuz I'm sure someone will say it's very dangerous to go without them.
I'm about to do the same thing as soon as I can verify that my knock is false (pretty sure it is).
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Old Mar 30, 2006 | 10:03 PM
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Well I did some reading on madz28 website. Although they can make your module less sesitive they recommend going with the LT4 knock module because it does a better job.
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