LT1-LT4 Modifications 1993-97 Gen II Small Block V8

efi connection conversion

Old Dec 3, 2011 | 10:22 PM
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Default efi connection conversion

how many of you have made the swap and was it worth it? i have to get a newer tranny which sucks for me cause nothing is wrong with mine so i was just wondering. would love to do away with the opti but at the same time dont want to make more problems trying to solve one. thanks in advance
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Old Dec 3, 2011 | 10:25 PM
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ya if you got the extra money buy it im not mad that i did there really isnt that much diffrence in performance but glad the opti is gone
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Old Dec 3, 2011 | 10:28 PM
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I'm not done with mine yet but i can say that the quality of efi connection's parts are top notch.
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Old Dec 3, 2011 | 10:42 PM
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Originally Posted by tt383lt1
ya if you got the extra money buy it im not mad that i did there really isnt that much diffrence in performance but glad the opti is gone
my car hasnt ran right in years so i just want to try something! i dont really want to do a ls swap cause thats even more money and headache and i believe i can achieve my goals with the good ol LT.
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Old Dec 3, 2011 | 10:50 PM
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Originally Posted by lethal bird
I'm not done with mine yet but i can say that the quality of efi connection's parts are top notch.
I completely agree with this. I just got all my parts in from them less my new harness and the quality is top notch.

I mainly am doing this conversion to get rid of the opti and to be able to use the "411" pcm for better tuning.
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Old Dec 3, 2011 | 11:00 PM
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It's a nice set up, I have a 93 so my tuning choices were a bit limited, it made more sense than a FAST. If I had a later LT1 MAF PCM and some one to tune it, I may have just stuck with it. Far my purposes it's worked really well.
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Old Dec 4, 2011 | 12:50 AM
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Im happy with my decision to swap over to it. The car runs alot better. The tuning capabilities is great. Im only h/c/i and glad i made the decision.
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Old Dec 4, 2011 | 03:26 AM
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Did ya'll have to buy that Billet cover or did ya'll mod the one you have to clear double roller chains. I gotta try n save on everything I can cause I'm going to have to get the newer transmission too
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Old Dec 4, 2011 | 09:02 AM
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I think you only have to swap in the later solenoids or something? You don't need a whole newer transmission. That is overkill unless you know someone near you with one cheap and you can recoup your costs selling yours.
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Old Dec 4, 2011 | 09:38 AM
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I did the Efi24x conversion. I'm very impress with the quality parts from Efi Connection. Although the plug and play harness took a while to build, but it was worth the wait. All connectors were tagged, and wires were neatly loomed for easy plug and play. I, too have the older 4L60E that has to be updated to a 96-97 internals---electrical wire harness, solenoids, valvebody, in which FLT is doing the update. After that, a visit to the dyno for tuning and the car should be ready for some test and tune come spring time.
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Old Dec 4, 2011 | 01:12 PM
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Originally Posted by camar0corey
I think you only have to swap in the later solenoids or something? You don't need a whole newer transmission. That is overkill unless you know someone near you with one cheap and you can recoup your costs selling yours.
Well mine is stock with a transgo shift kit so I was gonna eventually get one from performabuilt just glad I found this out before buying one. I'm gonna just try n sell mine locally.
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Old Dec 5, 2011 | 09:33 AM
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Ah gotcha, yeah convenience and a built trans then. It's def. worth doing, I love how my car runs with the 24x.
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Old Dec 13, 2011 | 08:22 PM
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Another question, does the ls engines have the reluctor wheel or whatever it is or do ya have to buy the efi connection one?
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Old Dec 13, 2011 | 09:01 PM
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Originally Posted by 1BadAsZ
Another question, does the ls engines have the reluctor wheel or whatever it is or do ya have to buy the efi connection one?
Yes, LS engines have reluctor wheels and yes you have to buy the EFI connection one if you want to use an LS ECU on your LT1.
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Old Dec 13, 2011 | 09:15 PM
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Damn, oh well don't hurt to try.
Got a 5.3 n was just wondering if I could use the one out of it
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