need ecm to run?
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Joined: Oct 2006
Posts: 329
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From: Surprise,AZ
Car: 91 rs
Engine: 305tbi
Transmission: 700r4
Axle/Gears: 3.27 9bolt
need ecm to run?
so i plan to swap my engine for a carbed 350 once it is exempt from emissions. my question would be is the ecm required for anything else to run? i.e. transmission etc.? thanks
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Joined: Jun 2001
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From: new york , n.y. , USA
Car: klowny1969 <-youtube 4 3rd gen vids
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Re: need ecm to run?
i did this conversion..you will need a new distributor and you will have to figure out what ur gonna do with the fuel delivery..you can hook up a regulator to the existing setup....lockup, they sell kits for that...gauges also need to be rewired..how much horsepower in the motor? are you changing ur tranny at all??
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Joined: Jul 2005
Posts: 2,123
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From: North Central Mass.
Car: 1985 Berlinetta
Engine: Megasquirted TPI
Transmission: Transgo 700R4
Axle/Gears: 3.42
Re: need ecm to run?
i did this conversion..you will need a new distributor and you will have to figure out what ur gonna do with the fuel delivery..you can hook up a regulator to the existing setup....lockup, they sell kits for that...gauges also need to be rewired..how much horsepower in the motor? are you changing ur tranny at all??
I dont even have the stock ECM in my car. No rewiring of the gauges required.
You will have to get a vacuum advance distributor.
Joined: Jul 1999
Posts: 10,950
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: need ecm to run?
And there's a tech article and a sticky post in the carb forum that answers your question.
Are you sure its worth it? I can understand wanting to get rid of the TBI, but isnt TPI, LT1, or LS1 better than downgrading to a carb?
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