V6 engine into V8 car
Thread Starter
Junior Member
Joined: May 2023
Posts: 11
Likes: 11
From: Destin Florida
Car: 86 Trans Am
Engine: 305
V6 engine into V8 car
No i'm not crazy and yes i have a good reason for wanting to do this. I currently have an 86 Trans am. The stock 305 motor is shot. I also have an 89 firebird. This one just needs a new fuel pump. My question is what would i need to buy to move the engine and trans from the v6 into the trans am? I know i'll hear about how its easier to just buy another 305 and so on but there's more to it. Has anyone here done it?
Senior Member
Joined: Feb 2019
Posts: 786
Likes: 197
From: SW Missouri
Car: 1989 Trans Am
Engine: sp357
Transmission: TKX
Re: V6 engine into V8 car
It's going to be the exact opposite of going from a v6 to a v8, which has been talked about to death on this forum I'm sure.
Use the forum search with the google option will give you pages of threads.
Use the forum search with the google option will give you pages of threads.
Supreme Member




Joined: Sep 1999
Posts: 3,021
Likes: 820
From: Colorado USA
Car: '83 Firebird (T/A Clone)
Engine: 350 with L-69 components
Transmission: 700R-4, 2000 RPM stall converter
Axle/Gears: 10-bolt/3.73 ..
Re: V6 engine into V8 car
There's a sticky on this very topic...
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