GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

ECSB 4WD 4l60E to 4l80E

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Old Sep 13, 2008 | 03:23 PM
  #11  
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my p.i converter only has 3 tc bolts had me worried when i got it so i guess they dont have the 6 bolts like the stock converter does.
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Old Sep 14, 2008 | 10:29 AM
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Originally Posted by Pewter53
my p.i converter only has 3 tc bolts had me worried when i got it so i guess they dont have the 6 bolts like the stock converter does.
Good point to bring up. The 80e bolt pattern is different and unless specified when you get a PI or maybe others converters you may only get the 3 bolt but cut on the 80e pattern.

After doing some more reading I've found that PI can do an 80E "LS1 style" converter. No spacer or 6.0L flex plate required. If there is no big price difference I will do this route and keep my SFI flex plate.
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Old Sep 14, 2008 | 11:12 AM
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Very nice write up I see this in my future. So the plug in the red circle is where pins 22 & 23 go to. It would be great if the big round main harness plug is plug and play.

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Old Sep 14, 2008 | 11:46 AM
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Originally Posted by MFIC
Very nice write up I see this in my future. So the plug in the red circle is where pins 22 & 23 go to. It would be great if the big round main harness plug is plug and play.

Yes the circled sensor is where pins 22 and 23 are run to. Pin A (RED/Black) wire goes to pin 22 and Pin B (Blue/White) to Pin 23 of the PCM.

The main harness is going to be gravy. I'll document it when I get there. But dismantle the connector. Move the brown wire to another spot and move the white wire to a location that isn't used in the connector.

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Last edited by KySilverado; Sep 14, 2008 at 11:54 AM.
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Old Sep 14, 2008 | 12:20 PM
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it's the same price they will ask you when you order it they special build each one for you they will ask you alot of questions then build your converter off of it.
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Old Sep 14, 2008 | 04:27 PM
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More on the main connection harness.

I am going to use the 80e style connector. I dismantled it today.

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The rear of the connector has a soft TPE seal that has the pin locations on it. Can't really see them in the pictures but identifies the pin locations. A thru W.

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I'll dismantle the 60e style connector when the time comes and simply plug them into this connector. There will be the one white wire left that I will plug into a location that does nothing. This is the 80E connector pinout.

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Old Sep 15, 2008 | 05:13 PM
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Installed the transfer case input shaft today..... yeah I wish it was so easy. Cost 113.59 shipped. Seems all transmission and drive line companies are on the west coast.

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Came with this extra bearing. Guess I'll figure out where it goes when I tear down the transfer case.
Edit: Found it. Input Gear pilot bearing.

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Last edited by KySilverado; Sep 16, 2008 at 07:12 PM.
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Old Sep 15, 2008 | 05:31 PM
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Great thread Roger!
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Old Sep 15, 2008 | 05:50 PM
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Thanks Jason, The harder parts are coming.

Last edited by KySilverado; Sep 15, 2008 at 09:00 PM.
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Old Sep 15, 2008 | 09:46 PM
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Very nice write up so far! Looks like you scored a nice 80e!
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