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 4.3 TB Swapped
#853421
12/16/07 10:47 PM
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Joined: Jan 2005
Posts: 83
OP
Getting the Wheeling Fever
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Well we finally got the TB and IM swapped on the 3.1. I got a wiring pigtail with the GM style plug for the TPS from Oreily's. The plug didn't fit worth a crap. Bending one of the prongs. So we got it connected best we could just to see how it would run. ( I have another plug on the way to fix it right). We spliced black to black, blue to blue, and green to grey. Also readings were checked with an ohm meter.
Now we got it started after several attempts, but it is running very rich. Really loading up with fuel.I understand it takes the ecm a while to get sorted out. So I guess my questions at this point is...how well should it run on initial startup? and how long till the ecm gets up to speed. My TPS is non adjustable. But we drilled out the tb so we can adjust base idle. I would like to hear how the conversion went for others and what if any issues they had to deal with. Thanks.
GOD Said It, I Believe It, That Settles It.
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Re: 4.3 TB Swapped
[Re: rodeorat]
#853422
12/20/07 05:54 PM
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Joined: Jan 2005
Posts: 83
OP
Getting the Wheeling Fever
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UPDATE: Got the TPS connector fixed. Runs out pretty good. Doesn't idle well at all on cold startups. After a minute of feathering the gas it settles down and idles well. Hope this goes away as the ECM adjusts to the changes.
GOD Said It, I Believe It, That Settles It.
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Re: 4.3 TB Swapped "Update"
[Re: rodeorat]
#853423
12/22/07 06:20 PM
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Joined: Jan 2005
Posts: 83
OP
Getting the Wheeling Fever
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When we did the swap we were using the coolant temp sensor that was on the extra intake I bought. Swapped it out for the original. Now it cranks and runs like a top. Isn't a huge increase in power. Most noticable when pulling hills. Hardly have to mash on the gas at all now.
GOD Said It, I Believe It, That Settles It.
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Re: 4.3 TB Swapped
[Re: rodeorat]
#853424
12/24/07 03:04 PM
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Joined: Jan 2005
Posts: 899
Rock Warrior
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Well we finally got the TB and IM swapped on the 3.1. I got a wiring pigtail with the GM style plug for the TPS from Oreily's. The plug didn't fit worth a crap. Bending one of the prongs. So we got it connected best we could just to see how it would run. ( I have another plug on the way to fix it right). We spliced black to black, blue to blue, and green to grey. Also readings were checked with an ohm meter.
Now we got it started after several attempts, but it is running very rich. Really loading up with fuel.I understand it takes the ecm a while to get sorted out. So I guess my questions at this point is...how well should it run on initial startup? and how long till the ecm gets up to speed. My TPS is non adjustable. But we drilled out the tb so we can adjust base idle. I would like to hear how the conversion went for others and what if any issues they had to deal with. Thanks. I take it you are running the factory injectors? Did you get the intake bored to match the tb?
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Re: 4.3 TB Swapped
[Re: Fujisawa_Rob]
#853425
12/25/07 01:43 PM
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Joined: Jan 2005
Posts: 83
OP
Getting the Wheeling Fever
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Right. Running the 3.1 injectors. Gave up on getting someone around here to bore the intake so I did it myself with a dremel. Turned out a lot better than I thought it would.
GOD Said It, I Believe It, That Settles It.
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