what transmission ?
Posting Guru
Joined: Aug 2004
Posts: 2,417
Likes: 4
From: Braham MN
The reason I said manual pcm is because I have an auto pcm in my 5-speed crew cab and it lopes when started. Since the C6 doesn't "talk" to the pcm, I figured use a manual one to avoid the lopeing.
I'm told it lopes because its searching for the trans range sensor.
I'm told it lopes because its searching for the trans range sensor.
Cargo Master
Joined: Jul 2010
Posts: 3,014
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Edit: Oh, I see you already know that's a possibility. I don't know what causes it for sure, but I've heard people say that it's the lack of a MLPS that causes the lope. So I guess using a manual PCM could be a good way to circumvent that.
Postmaster
Joined: Jul 2009
Posts: 3,526
Likes: 0
From: Lunchtown
Heck, I'm running a manual transmission off of a Automatic PCM. Works just fine.
Edit: Oh, I see you already know that's a possibility. I don't know what causes it for sure, but I've heard people say that it's the lack of a MLPS that causes the lope. So I guess using a manual PCM could be a good way to circumvent that.
Edit: Oh, I see you already know that's a possibility. I don't know what causes it for sure, but I've heard people say that it's the lack of a MLPS that causes the lope. So I guess using a manual PCM could be a good way to circumvent that.
What did the pre-94.5 diesels use for vacum that had the C6 behind them?
Postmaster
Joined: Jul 2009
Posts: 3,526
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From: Lunchtown
Not on a diesel. Diesels don't produce vacum. Mark posted earlier that they had a vacum pump.
Posting Guru
Joined: Aug 2004
Posts: 2,417
Likes: 4
From: Braham MN
Read page 3 mark explains it all...the idi engines used a vacuum regulator hooked to the injection pump for a vacuum reference for the C6. No idea what the PSD used yet as they didn't have an injection pump.
VT Chapter Ldr
Joined: Apr 2004
Posts: 96,160
Likes: 294
From: Orange, Vermont
If Mark decides to chime back in I'm sure he can correct me.
But they are basically the same except the E4OD has overdrive.
The newer 4R100 used behind the diesels came with 6 pinion steel planets vs 3 or 4 pinion (I don't recall exactly) alum planets in the E4 and C6, so the 4R are even stronger.
But they are basically the same except the E4OD has overdrive.
The newer 4R100 used behind the diesels came with 6 pinion steel planets vs 3 or 4 pinion (I don't recall exactly) alum planets in the E4 and C6, so the 4R are even stronger.
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Joined: Aug 2009
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From: Michigan
Ford does do some weird stuff. my wife works there. they make changes after job 1 all the time. sometimes shes the one making those changes. truck in my sig came with the double joint for the front driveshaft up by the case. I run the stock D50 ttb its my understanding they didnt come this way on a lot of guys trucks. those of you who have already done the D60 swap know what im talking about. been researching and shopping for a 97 D60 to stick under it.
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