305-350 ecm question
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Junior Member
Joined: Nov 2004
Posts: 8
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Car: 1983 Z28 Camaro
Engine: 5.0L 305 TPI
305-350 ecm question
Hello all,
I recently swapped a 350 into the place of my worn out 305 TBI. All of the goodies from the 305 swapped right over. I got the new injectors, knock sensor, all that good stuff. I am having a hard time finding the correct ecm. I have read some were taking one out of a 1987 caprice ending in 8746 for the service number.
Where would I find this ecm? It seems to be the key to my success and turning out to be a brain buster!
Thanks you guys! 
I recently swapped a 350 into the place of my worn out 305 TBI. All of the goodies from the 305 swapped right over. I got the new injectors, knock sensor, all that good stuff. I am having a hard time finding the correct ecm. I have read some were taking one out of a 1987 caprice ending in 8746 for the service number.
Where would I find this ecm? It seems to be the key to my success and turning out to be a brain buster!
Thanks you guys! 
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
I don't know the answer to your question, but I'd suggest looking on the TBI forum. And, now you've got a bump in case someone here knows the answer.
Junior Member
Joined: Oct 2007
Posts: 44
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From: AZ
Car: 92 Camaro RS
Engine: Vortec TPI 412
Transmission: 700r4
Axle/Gears: BorgWarner 327 Limited Slip
Re: 305-350 ecm question
did you use the stock cam out of the 305 when you swaped it over or did you change it?
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