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

MSD box

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Old Apr 13, 2012 | 12:29 AM
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Would a msd box part # 6420 work on a 97 camaro? Thanks
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Old Apr 13, 2012 | 12:50 AM
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Yes.

This is very similar to a Digital 6 ignition and the Digital 6AL. It has a 2 step rev limit, that the others don't. If you don't need the 2 step then the Dig 6AL is a cheaper alternative.
MSD 8877 Is the harness that keeps you from cutting on the factory wires.
Check out page 13 on msd PDF

I don't have any experience with the 6AL-2, but I have a Dig 6AL, Dig 6, and a 7AL-3. The Dig 6AL also has a removable connector on the side so that's the only major difference.

Last edited by fex77k; Apr 13, 2012 at 07:47 AM.
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Old May 25, 2012 | 12:28 AM
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So if I want to msd box with a 2 step I need the 6AL-2? my car is a 97 lt1 so the part #8877 will wire it right up? Thanks
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Old May 25, 2012 | 12:34 AM
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Part # 6421 is what I'm looking at.
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Old May 25, 2012 | 05:54 AM
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Depending on your modifications it might be overkill. What other mods do you have?
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Old May 25, 2012 | 11:56 AM
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It's a forged 383, ported heads and intake, v7 ysi, front mount intercooler and meth, all the other goodies that go along with that stuff.
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Old May 25, 2012 | 04:14 PM
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The 6420 is the older model Thats whats in my 95 & 8970 multi stage retard box for 2 stages of nitrous Room to grow Lmao
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Old May 25, 2012 | 04:16 PM
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All MSD stuff will wire up Per MSD I found really good deals on my boxes From guys goin to LS motors
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Old May 25, 2012 | 10:07 PM
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So #6421 is the newer one. So that's the one I need correct?
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