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Swapping 305 for a L83

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Old Feb 26, 2010 | 12:43 PM
  #1  
timespy's Avatar
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Joined: Oct 2007
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From: Berwyn, Il
Car: 91 RS Convertible
Engine: Soon to be swapped
Transmission: Memphis performance 700r4
Axle/Gears: Soon to be changed
Swapping 305 for a L83

I can grab this 70k motor up for a couple hundred bucks. I know there are better motors out there, but this is cheap, well maintained, and reliable. It came out of a vette, and now has carb on it, other than a mild cam it is bone stock. My question is... since this was originally a cross fire engine, will I have trouble dropping this thing in my 91 rs ragtop? What do I do about the ECU controlled stuff? Do I just drop it in, hook up a fuel line, distributor, and battery, and off I go?

Any help is appreciated, my poor old 305 finally is ready to give up the ghost.
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Old Feb 26, 2010 | 05:15 PM
  #2  
five7kid's Avatar
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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
You could put the EFI stuff on it and ditch the carb.
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Old Feb 26, 2010 | 07:24 PM
  #3  
Air_Adam's Avatar
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Re: Swapping 305 for a L83

Put all your TBI gear on it, get a knock sensor and ECM for a 350 TBI, call it a day.
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