View Full Version : 93 PCM conversion to 94OBDI
Shon Herron
01-08-2010, 10:11 PM
Can someone point me to a how to and the issues involved?
I do not have a chip burner and dont want to buy one but do have the ability to tune the other OBDI PCMs.
96lt1m6
01-08-2010, 10:29 PM
I have done this conversion for a few people in my day what i learned was the oil psi switch has to change to 94-up the dash cluster has to be swapped to 94 up then add harness and pcm should be a 4 hour or less process...93 cluster will not read correctly except the water temp...the tach fluctuates if it even works..
Shon Herron
01-08-2010, 10:33 PM
Tach and Oil Pressure-can run an aftermarket gauge.
If that didnt matter, will the speedo work?
Fastbird
01-09-2010, 12:26 AM
I have done this conversion for a few people in my day what i learned was the oil psi switch has to change to 94-up the dash cluster has to be swapped to 94 up then add harness and pcm should be a 4 hour or less process...93 cluster will not read correctly except the water temp...the tach fluctuates if it even works..
If you run an aftermarket ignition like an Accel 300+ or MSD Digital 6, ect, the Tach will work fine. I'm running a 97 digital odometer cluster in my 93 this way. Speedo will work fine.
thanks Shon for originating this thread. This may be the route I go instead of the LS PCM conversion. I love the chip, but dang if I want to make changes...anyone got the chip burning stuff for sale?
Fastbird
01-09-2010, 04:01 PM
thanks Shon for originating this thread. This may be the route I go instead of the LS PCM conversion. I love the chip, but dang if I want to make changes...anyone got the chip burning stuff for sale?
Alan, shoot me a PM. I have a burner and stuff that I don't think I'm ever going to use again.
Alan, shoot me a PM. I have a burner and stuff that I don't think I'm ever going to use again.
PM replied Sean...as always, you are the LT1 go-to guy!
I believe there are chipsets that piggyback on the original chip that can be flashed. Mabye I'm wrong, but that might also be another solution. I still think the '94 up is better though becuase of the mass air.
MEAN LT1
01-14-2010, 08:01 PM
. I still think the '94 up is better though becuase of the mass air.
Careful with that statement, you'll start a fight with words like that. You have some dieahrd 93 pilots sware up and down there cars are faster stock for stock. :-)
Fastbird
01-14-2010, 08:38 PM
Personally the maf is just another component to fail.
Alan, the tuning stuff got out Yesterday!
got em...getting the 3.5" converted to disk and getting ready to tweak it baby!! Thanks Fastbird!
Fastbird
01-20-2010, 07:36 PM
Alan, PM me you email address. I just noticed what I believe to be the PP2 Install file on my desktop here.
Use bigalforsyth@hotmail.com. And any tips or trick are appreciated as I have NO clue how to use it. I know Shon can figure it out so I'm noÞ too worried.
Alan, PM me you email address. I just noticed what I believe to be the PP2 Install file on my desktop here.
Fastbird
01-20-2010, 10:11 PM
Email sent Alan!!!! I installed it on my computer and played with it to try to remember how the process went, and think I got it down in the email, subject to verification at least.
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