Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

Big Block

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Old May 21, 2003 | 01:39 PM
  #1  
TonyP455's Avatar
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From: Pawtucket, Rhode Island
Car: 1986 Trans Am
Engine: 305 Carbed
Transmission: WC-T5
Big Block

Is it POSSIBLE to put a big block in a 3rd gen firebird?
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Old May 21, 2003 | 02:19 PM
  #2  
CamaroFreak406's Avatar
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Joined: Oct 2001
Posts: 674
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From: Stevens Point Wisconsin
Car: 1991 Formula
Engine: 350 firebreathing inches of Small Block Chevrolet
Transmission: A 700R4 that has trouble handling the formentioned 350.
Re: Big Block

Originally posted by TonyP455
Is it POSSIBLE to put a big block in a 3rd gen firebird?
Anything is Possible with a torch and a welder .

Yes it has been done many times.

Good Luck, Garrett
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Old May 21, 2003 | 02:22 PM
  #3  
TonyP455's Avatar
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From: Pawtucket, Rhode Island
Car: 1986 Trans Am
Engine: 305 Carbed
Transmission: WC-T5
how much would something like this cost????? aprox?
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Old May 21, 2003 | 04:14 PM
  #4  
kfoley's Avatar
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Joined: Jul 2001
Posts: 1,766
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From: New Palestine, IN (Just East of Indy)
Car: '85 Z28
Engine: 305
Transmission: WC T5, 3.23 posi
It has been done by many people. Not a whole lot of modification is necessary, but it does require special parts. That's where it starts to get exspensive. Do a search and you'll find all you need to know.
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Old May 21, 2003 | 06:17 PM
  #5  
five7kid's Avatar
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iTrader: (14)
 
Joined: Mar 2000
Posts: 43,187
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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
Originally posted by TonyP455
how much would something like this cost????? aprox?
How much is your time worth? I haven't heard of anyone having a shop do this swap.

Or, were you just talking about the price of a big block?
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Old May 21, 2003 | 10:23 PM
  #6  
88 427 Camaro's Avatar
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Joined: Jul 1999
Posts: 931
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From: Mpls, MN USA
Car: 88 Camaro
Engine: 427 BBC
Transmission: T400
BBC swap info is on my page at www.koolmeister.com

Miles
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Old Jun 10, 2003 | 04:29 PM
  #7  
430Camaro's Avatar
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Posts: 46
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From: TX
Car: '91 Trans Am GTA / '83 Camaro
Engine: 383 SBC / 430 Buick BB
Transmission: Tremec TR-3550 / TH-400
Axle/Gears: Stock 10-bolt, 3.42 /10-bolt
I'm new to the board but I put a buick big block that I had laying around into a 83 berlinetta that was pretty much stripped down that my buddy gave to me cuz he wanted it out of his driveway. I put in a 430 buick engine and a th-400 transmission during my last spring break...that's right...nothing better to do but try and make fast cars. There's pictures of it on my site. It fit...barely...I might need to cut on stuff if I want headers...
I fabricated the transmission crossmember and torque arm mount. I also had to have a custom length driveshaft made for it, which was the most expensive thing about the swap or even the car so far being around $180. It's still just the stock buick engine for now but I plan on putting on better heads, intake, ect when I get some more cash.
Here's a link to some of the pictures:
http://www.geocities.com/mustang732/...ated/index.htm
You might have to copy and paste the link into your browser.

Last edited by 430Camaro; Jun 10, 2003 at 04:43 PM.
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