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Old 11-18-2009, 10:34 PM   #1
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Car: 77 and 79 Vette 85 Jag 93 Chevy p/u
Engine: 350 all tpi in vettes and jag tbi i
Transmission: 700r4 all but pu is 4l60e

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93 lt1 troubles
might it be possible to run a 93 lt1 engine with a 7730 or 7727 ecm has anyone tried this any input helpful
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Old 11-20-2009, 08:30 AM   #2
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Re: 93 lt1 troubles
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Originally Posted by chazalley View Post
might it be possible to run a 93 lt1 engine with a 7730 or 7727 ecm has anyone tried this any input helpful
If you lose the EGR the intake can be bored for a standard computer controlled small cap distributor. You can then run the engine from a '7727/'7730 ECM. That is as long as no E auto trans is involved.

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Old 11-20-2009, 03:48 PM   #3
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Car: 77 and 79 Vette 85 Jag 93 Chevy p/u
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Transmission: 700r4 all but pu is 4l60e

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Re: 93 lt1 troubles
no e trans thats about what i was thinking no way to run with opti spark dizzy on 7730 correct
thanks for input
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Old 11-20-2009, 08:32 PM   #4
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Re: 93 lt1 troubles
Yes, as far as I know the opti can not be run from an other then LT1 ECM.

I have know the opposite to be done. Where an opt disk has been mounted into a regular distributor. This allows an LT1 ECM to be used.

RBob.
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Old 11-20-2009, 09:47 PM   #5
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Car: 77 and 79 Vette 85 Jag 93 Chevy p/u
Engine: 350 all tpi in vettes and jag tbi i
Transmission: 700r4 all but pu is 4l60e

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Re: 93 lt1 troubles
really appreciate your input I've been playing with the tpi and my nephew is wanting me to fix his 93 but i cant fix the box after he let the smoke out of it and he,s having a hard time finding an ecm for the 93, from what i understand they were somewhat uncommon and not very dependable
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Old 11-21-2009, 07:26 PM   #6
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Car: 93 Formula,88 T/A,01 WS6
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Re: 93 lt1 troubles
93......gotta love those one of a kind year cars!! I have been through one ECM i mine and it has less that 100,000 miles. around 85,000 I think. ECM went out around 70,000
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Old 12-15-2009, 10:21 PM   #7
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Re: 93 lt1 troubles
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Originally Posted by chazalley View Post
really appreciate your input I've been playing with the tpi and my nephew is wanting me to fix his 93 but i cant fix the box after he let the smoke out of it and he,s having a hard time finding an ecm for the 93, from what i understand they were somewhat uncommon and not very dependable

i know this is a month old thread, but if you still need a ecm. me and a buddy just got done converting his 93lt1 z28 to a northstar caddy DIS and switched to a 727 ecm. so he has his stock ecm laying around. great upgrade i might add lol

if you need one, i can foward this to him.
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Old 12-15-2009, 10:21 PM
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