Thanks for responding. Sounds like your truck could be pretty stout, how's
it run?? What about that Edelbrock package, how's that working out? I know
it's got the aluminum performer heads-are you having problems sealing those
heads or no? Is the reason the tach doesn't work because you bypassed the
factory ignition setup? The alternator deal is likely just because the
voltage regulator is in the PCM and the alternator sees no load until the
regulator loads it and it then begins to charge. Common PCM controlled Mopar
deal.You can get by that by going to an earlier style alternator that is
internally or externally regulated for a non-computer application. Thanks
again for your input,
Will Coughlin willcoughlin@hotmail.com
'00 Reg. cab 2wd, 4.7L/NV3500HD/9.25" 3.92 sure-grip
----Original Message Follows----
From: Baddakota@aol.com
Subject: DML: Re: Gen-II gauge questions
Date: Tue, 11 Dec 2001 19:56:44 EST
I have a 1991 with the complete Edelbrock performer RPM package, cam,heads,
intake and carb on a .030 over 318. All my factory gauges work except the
tach. The computer is still there but not hooked up to the motor. I have a
Jacobs pro street ignition system that is fired by a MSD distributor. I
couldn't get the factory ignition to do a thing! So now the computer thinks
that the key is just turned forward,even when the engine is running. It
doesn't even give me a check engine light. Now my computer is a pre-mag but
I would guess a magnum computer would act the same way. The only other
problem I had was with the charging system. I had to run a 12 volt power
source into the computer to get the altenator to charge. I got some good
info on this project from Scott Miller. I'm not sure if he's still on this
list, he has a
Shelby Dakota with a 360 that is carbureted, BUT his was a pre-mag just like
mine. I'm only guessing that a magnum computer would react the same. Hope
this helps out. Good luck if you decide to give it a shot!!!
Mike
Stepp
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