the change begins..
Hotshot
Joined: Jul 2003
Posts: 12,177
Likes: 40
From: Newport, WA
Andrew- it takes all of 10 minutes to pull the PCM, I'd just do it rather than mess with the mirror thing. Make sure the key is NOT in the ignition or you will fry the PCM. Pull the wire harness off the back (from under the hood), then 2 bolts inside the cab and it slides right out.
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Post Fiend
Joined: Jun 2006
Posts: 9,714
Likes: 2
From: White Mnt's,New Hampshire
i talked to Jody..he told me the IDM would be a plus for the early bird cause it is 110 IDM..he also told me to find a PMT 1 to program for it..... i found a guy that sold me one dirt cheap...it made her run better and i do like the shifts better..Jody will make it better even better im sure...
Post Fiend
Joined: Feb 2008
Posts: 10,977
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From: Lancaster, Pa.
i talked to Jody..he told me the IDM would be a plus for the early bird cause it is 110 IDM..he also told me to find a PMT 1 to program for it..... i found a guy that sold me one dirt cheap...it made her run better and i do like the shifts better..Jody will make it better even better im sure...
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
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Post Fiend
Joined: Jun 2006
Posts: 9,714
Likes: 2
From: White Mnt's,New Hampshire
a lot of guy's in 99.5 - 03 trucks are doing it with no problems..but Brandon posted this in a nother link on the IDM mod
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Location: Millbrook Alabama
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</TD></TR></TBODY></TABLE>4-13-2008, 10:04 PM <!-- / status icon and date -->
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<TABLE cellSpacing=0 cellPadding=6 width="100%" border=0><TBODY><TR><TD class=alt2 style="BORDER-RIGHT: 1px inset; BORDER-TOP: 1px inset; BORDER-LEFT: 1px inset; BORDER-BOTTOM: 1px inset">You can't seriously believe that a miniscule timing advance is going to hurt this motor. That borders on preposterous. </TD></TR></TBODY></TABLE>
I wanted to come to this thread to give the real reason Jody doesnt consider the IDM mod as a "must do" for the "normal stroker". During cold start up the IDM can retard timing by up to 27* and vary the Pulse width widely. the PCM runs three different tables of pulse width, inj. timing and tip in, depending upon the readings it recieves from the EOT, AIT1,AIT2, and ECT. This is why Jody also recommends starting the truck in the stock setting. the pressures that are created during those events are tremendous. the IDM fools the ECM into commanding for the higher timing which can lead to TOO MUCH fuel during the injection event for the lower operating temp conditions of the motor.
I wanted to come to this thread to give the real reason Jody doesnt consider the IDM mod as a "must do" for the "normal stroker". During cold start up the IDM can retard timing by up to 27* and vary the Pulse width widely. the PCM runs three different tables of pulse width, inj. timing and tip in, depending upon the readings it recieves from the EOT, AIT1,AIT2, and ECT. This is why Jody also recommends starting the truck in the stock setting. the pressures that are created during those events are tremendous. the IDM fools the ECM into commanding for the higher timing which can lead to TOO MUCH fuel during the injection event for the lower operating temp conditions of the motor.
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Post Fiend
Joined: Jun 2006
Posts: 9,714
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From: White Mnt's,New Hampshire
i was going to do this over thanksgiving weekend...but the guy i got the injectors from bent a rod in his truck running the new hybrids on the dyno. one good run of 529HP second run she let go..now he needs my injectors to sell ASAP..i dont have cash for bearings right now so ill put that on hold..hate to pull the motor and not do the bearings..so ill hold off a little longer...
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
i was going to do this over thanksgiving weekend...but the guy i got the injectors from bent a rod in his truck running the new hybrids on the dyno. one good run of 529HP second run she let go..now he needs my injectors to sell ASAP..i dont have cash for bearings right now so ill put that on hold..hate to pull the motor and not do the bearings..so ill hold off a little longer...
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Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
Or are we talking about a pushrod?
That would be lucky.
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