OBD I to OBD II conversion...
#1
Join Date: Feb 2009
Location: Winnipeg, Manitoba, Canada
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OBD I to OBD II conversion...
well as you guys may remember, i got myself a 318 that im building a 390 out of. the 318 is a '97, so that being said, im gunna get a '97 tranny for it too. how hard is it really to convert my truck from OBD I to OBD II? i really want the functionality of an OBD II computer, that way i can set the engine up for daily driving, or the track, with one of those tuners.
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the_wrench_turner (06-18-2022)
#2
I was talking to a Dodge guy about this very topic. I was told that it is very doable if you can track down the new wiring harness and the PCM for your engine. Granted it is some work but I don't think it is any worse than anythign else you are doing.
Which '97 tranny you looking at? That would be the only thing I can see being an issue. Is the '97 electronically controlled or hydraulically?
Which '97 tranny you looking at? That would be the only thing I can see being an issue. Is the '97 electronically controlled or hydraulically?
#4
Yes it is possible. Tons of work. Entire wiring harness. Not just from the engine bay but from the interior, too. Anything like abs system, to air bag systems. I don't know for sure but most of that all is controlled by one computer. And if it senses a failer it will give you a check engine light and will not run it's full potential. And I'm not to sure but I can bet there is no turner for any pre 2000 year obd2 dodge. I may be wrong. But Dodge is not as popular as Chevy and ford and the aftermarket never picked it up.
If your dead set on OBD2 I would say get an aftermarket system. Most of them come complete with a computer to PC hook up. It is expensive. But after buying all the necessary parts and all for a stock system it will pretty much equal. Price.
Don't get me wrong I would defiantly prefer OBD2, but it is to much work for a few extra HP if you can get it all for it. Especially since your truck is already OBD1 equipped. We do have the link in the FAQ2 for a hand held unit to configure OBD1 systems.
And I may be wrong but I think when Bad96 did his swap, all he needed to do for wires is add in the 2 injector wiring. The link is in the FAQ2.
If your dead set on OBD2 I would say get an aftermarket system. Most of them come complete with a computer to PC hook up. It is expensive. But after buying all the necessary parts and all for a stock system it will pretty much equal. Price.
Don't get me wrong I would defiantly prefer OBD2, but it is to much work for a few extra HP if you can get it all for it. Especially since your truck is already OBD1 equipped. We do have the link in the FAQ2 for a hand held unit to configure OBD1 systems.
And I may be wrong but I think when Bad96 did his swap, all he needed to do for wires is add in the 2 injector wiring. The link is in the FAQ2.
Last edited by Crazy4x4RT; 06-18-2009 at 09:46 PM.