Problem's

[83 cutty]

I have an 1983 t top cutlass that I want to replace the 307 with Chevy 350. My first question is what functions would I lose if I remove the computer. My second question is what can i do to get more leg room. I seen a lot of back and forth so I'd really like to get an answer from someone who's done this before.

 

[565bbchevy]

For extra leg room I made relocation brackets for my driver's seat out of 1/4" plate and welded grade 8 bolts for the seat mounting, it gives me about 2" more room.

 

[Texas82GP]

For extra leg room I made relocation brackets for my driver's seat out of 1/4" plate and welded grade 8 bolts for the seat mounting, it gives me about 2" more room.

Wish you had a build thread on that Regal. Yo do nice work.

 

[pagrunt]

The computer basically monitors the emissions to adjust the carb to keep the engine to run "clean" & more efficient, works to operate the lock up feature of the transmission lock up converter. If something with the program is not met, it then trips the check engine light. I pulled mine out of my '81 after it kept shorting out the 39 circuit for the gauges & the original 229 ran better and was used to pass a few new '95 cars for the emissions test. You really won't have to many issues since the 350 you will put in won't use a computer carb. The transmission if still a lock up model can use an after market vacuum operated switch or one sourced from a non computer '80's full size truck.

 

[83 cutty]

I have an 1983 t top cutlass that I want to replace the 307 with Chevy 350. My first question is what functions would I lose if I remove the computer. My second question is what can i do to get more leg room. I seen a lot of back and forth so I'd really like to get an answer from someone who's done this before.

 

[83 cutty]

Thanks for the info. I plan to tackle it this weekend

The computer basically monitors the emissions to adjust the carb to keep the engine to run "clean" & more efficient, works to operate the lock up feature of the transmission lock up converter. If something with the program is not met, it then trips the check engine light. I pulled mine out of my '81 after it kept shorting out the 39 circuit for the gauges & the original 229 ran better and was used to pass a few new '95 cars for the emissions test. You really won't have to many issues since the 350 you will put in won't use a computer carb. The transmission if still a lock up model can use an after market vacuum operated switch or one sourced from a non computer '80's full size truck.

 

[83 cutty]

So could I just simply unplug the harness at the fire wall or will there be some wires I'll have to use

 

[SoFloG]

90% of the wires you need are on the driver side harness

 

[Bar50]

You can unplug it. The wires that go to the computer snake between the A/C box and passenger inner fender. Use a normal carb and a normal HEI.

 

[83 cutty]

You can unplug it. The wires that go to the computer snake between the A/C box and passenger inner fender. Use a normal carb and a normal HEI.