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

lt1 runs on ls1 computer using modded OPTI

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Old 12-29-2008, 04:12 PM
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Default lt1 runs on ls1 computer using modded OPTI

got the car running on the ls1 computer today... i repinned the lt1 harness into the connectors and addded the in the coil wires and made a custom wheel for the opti.

i was worried at first as it would barely stay running then i pulgged in the other coil harness and it runs like a champ now..

dont mind the smoke there was some antifreeze on the downpipes.

http://www.youtube.com/watch?v=btAtQtIe3LY
Old 12-29-2008, 04:14 PM
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is there a cover for that wheel? Looks pretty cool
Old 12-29-2008, 04:19 PM
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yeah there is a cover.. it will be air tight..
Old 12-29-2008, 04:20 PM
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Thats freaking awesome. Good job bro. Some how make a cover for it so it doesnt get messed up by anything and you just amd ea more reliable, smoother running LT.. How long did it take for the whole conversion?
Old 12-29-2008, 04:21 PM
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thats crazy
Old 12-29-2008, 04:58 PM
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yeah there is a cover.. just not on yet as i was trying it out.. i will pull it back off and put lock tight on the screws then i will put the opti cover back on.

it took me 1.5 hours to re pin the ls1 connectors into the lt1 harness.. my friend made the wheel on a 3 axis cnc using a dxf i provided.
Old 12-29-2008, 05:01 PM
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Is it running off a single coil or 8 coils like that? I can't get an idea of what you really did.
Old 12-29-2008, 05:02 PM
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Is this not a

EFI Connection - Coil per Cylinder Rec. Wheel?

WOW! SWEET! VERY COOL! Are you selling a kit?

I'm all wet now!!! LOL!
Old 12-29-2008, 05:09 PM
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8 coils nothing was purchased from efi connection, i designed the wheel before hearing of efi connection.. in total this cost me under 300$ with everythign including coils wheel harness ect...

the 300$ doesnt include buying efilive which is needed to assign injectors to the right bank and to tune it..

not selling a kit but i may be able to modify the opti if someone was intrested
Old 12-29-2008, 05:11 PM
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Originally Posted by AKAFRED
8 coils nothing was purchased from efi connection, i designed the wheel before hearing of efi connection.. in total this cost me under 300$ with everythign including coils wheel harness ect...

the 300$ doesnt include buying efilive which is needed to assign injectors to the right bank and to tune it..

not selling a kit but i may be able to modify the opti if someone was intrested
intrested!!!! Sending you a PM!!!
Old 12-29-2008, 05:16 PM
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Wow, impressive. Cheap, effective and not to time consuming. Minus the tune and what not. Theres always going to be bugs
Old 12-29-2008, 05:29 PM
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very interesting..nice job

when do you plan to get into tunging the car and seeing if any bugs pop up?
Old 12-29-2008, 05:33 PM
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Very neat!!
Old 12-29-2008, 05:36 PM
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if you can have a couple of those wheels machined and give a quick write up of the wiring, i will paypal you $$ as soon as you want it. PM me if interested, or i will pay for the file to machine my own wheel
Gary
Old 12-29-2008, 05:45 PM
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ya let me know as i have the ltcc kit but would love to use hp tuners.
Old 12-29-2008, 05:51 PM
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if you could get all sorted out, u would be a fool to not market them.
i left the ltx platform long time ago due to the lack of tuning at the time.
i had to use a fmu for my turbo lt1 and adj.fpr for the bolt on stuff
Old 12-29-2008, 05:54 PM
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Originally Posted by LS1 SPEED
very interesting..nice job

when do you plan to get into tunging the car and seeing if any bugs pop up?
thats the problem.. down here its winter and this is a summer only car. i wont be able to acutally drive it untill april..

i will be putting the cooling system back in it in a couple of days, then i should be able to tune idle starting ect. i also have to mount the coils...
Old 12-29-2008, 06:12 PM
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I would also be interested in this.
Old 12-29-2008, 06:26 PM
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Very interested! I have my own boosted project and the 93 LT1 PCM is only so great with a 2 bar sensor!
Old 12-29-2008, 07:04 PM
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I am very interested in this. Your setup seems like what most of us guys would be better able to afford to run a better computer for a street car as opposed to track only. GOOD JOB!


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