Computer question?
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Junior Member
Joined: Jul 2002
Posts: 30
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From: Mitchell, IN
Car: Camaro Convertible RS
Engine: 355 TBI
Transmission: 700R4
Computer question?
In the complete list to swap a 350 TBI into a 305 TBI, you say to use a 746 ecm. Can you use a 747 ecm instead?
Supreme Member
iTrader: (2)
Joined: Jan 2002
Posts: 9,962
Likes: 5
From: Moorestown, NJ
Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
Re: Computer question?
A 7747 will be a direct swap hardware wise. In the actual software mask, there are differences, but nothing really major. Any particular reason you want to use the 7747 over the stock ECM?
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