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Joel
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4/08/2001
19:35:36

Subject: ECU
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I'm not sure what the ecu does, but if i get a pcm will it replace the ecu? Reason why i'm asking is because i know the daks ecu have a rev limiter built in them and i'm planning on buying an msd ignition and i'm unsure which one to buy(the 6A or 6AL)???



Bernd
GenIII
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4/08/2001
21:45:43

RE: ECU
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ECU and PCM are basically the same thing (with some minor differences).

ECU = Electronic Control Unit (Basics controls plus a few specific items)
PCM = Powertrain Control Module (Everything on your vehicle)


Bernd D. Ratsch
1997 Dodge Dakota SLT
Supercharged w/Nitrous

RonW
Gen III
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4/09/2001
12:37:33

RE: ECU
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You won't need the 6AL. The PCM's in the Daks have rev limiters, even the HP PCM's have them.

Ron
00 PB SLT QC 4X2 5.9 46RE 3.92 LSD

Joel
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4/09/2001
21:34:18

RE: ECU
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hey ron so if i buy an after market pcm ie. hypher tech or mopar those already have a rev limiter built in them?



RonW
*GenI*
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4/10/2001
01:00:33

RE: ECU
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If you get a Mopar, one, then yes,it has a rev limiter. A jet or hypertech, just fools the PCM that's still hooked up so the rev limiter of the original PCM still governs that, I believe.

Ron
00 PB SLT QC 4X2 5.9 46RE 3.92 LSD

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