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1991 Camaro V6 to V8 swap

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Old Feb 8, 2014 | 05:37 PM
  #1  
K_Gunn2128's Avatar
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From: Stanton, KY
Car: 1991 Camaro RS
Engine: 3.1 V6
Transmission: Automatic
1991 Camaro V6 to V8 swap

I have a 1991 Camaro with a 3.1 v6 and an automatic. I have been considering putting a 350 in place of my v6 due to some idling issues I've been battling for the past 3 years with no success. Before I tear into my car I have a few questions I'm hoping someone can help me with.

1.) What kind of transmission is currently in my car?
2.) Will the transmission in my car bolt up to/work with a 350 or would I need to change it?
3.) What else will I need to change in order to go to a v8? I've read some posts about changing motor mounts, radiator, etc. I would most likely go with a carburetor instead of fuel injection.

Thanks in advance for your input, all help is greatly appreciated.
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Old Feb 8, 2014 | 06:43 PM
  #2  
vetteoz's Avatar
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: 1991 Camaro V6 to V8 swap

Originally Posted by K_Gunn2128
I have been considering putting a 350 in place of my v6
1.) What
2.) Will
3.) What else will I need to change in order to go to a v8? I've read some posts about changing motor mounts, radiator, etc.
All answered in the sticky at top of this page

https://www.thirdgen.org/forums/engi...swap-read.html
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Old Feb 11, 2014 | 07:22 AM
  #3  
budget builder's Avatar
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From: nc
Car: 91RS
Engine: carb'd 357 vortec
Transmission: 700r4
Axle/Gears: 3.42 posi
Re: 1991 Camaro V6 to V8 swap

I am in the middle of this swap myself. great advice!
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Old Feb 12, 2014 | 11:57 AM
  #4  
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
Some specifics, such as swapping from EFI to carb, aren't covered in detail, but those basics are easy to find either by a search, or in a tech article linked from the thirdgen.org homepage.
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