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 427 PLEASE HELP!!!!

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Old Jul 27, 2005 | 09:56 PM
  #1  
gogo90camaro's Avatar
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Joined: Aug 2004
Posts: 59
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From: Michigan
Car: 91 Camaro RS
Engine: 5.7
Transmission: 700R4
Axle/Gears: 3.73
Big block 427 PLEASE HELP!!!!

Im in need of some help. I have a new big block 427 and I want to put it into my 91 third gen. What modifications id any do i need to do. I have a custom built 400 turbo trans to go with it. one way or another i am going to get the motor in. Is there any help anyone can offer? will i need to cut the fire wall? move the motor mounts? I beefed up the suspension so it can handel the motor. The motor its self is pulling about 850 hp. It contains a Eagle forged steel crank, Eagle H-beam connecting rods, JE forged pistons with a 10:1 compression, Dart PRo 1 aluminum heads, Holley cam, solid lifters and roller rockers, Weland 8-71 supercharger, dual 1095cfm Demon king carbs. The heads have been ported and polished to the max. im not sure what it is. But over all it is one mean motor. So if you have any ideas or sugestions that can help, please inform me. Thanks
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Old Jul 28, 2005 | 12:08 AM
  #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
There's a sticky at the top of this forum with links to information about BBC swaps. Of course, with 850 HP, you're above and beyond the typical street-driven BBC swap.
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Old Aug 3, 2005 | 02:26 PM
  #3  
Johnny Blaze's Avatar
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From: Charlestown, IN
Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
I'd love to see some pics!
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Old Aug 3, 2005 | 03:39 PM
  #4  
JoBy's Avatar
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Joined: Oct 2001
Posts: 930
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From: Timrå, Sweden
Car: 1984 Corvette
Engine: Turbo 350
Transmission: 4L80E with TCI T-Com
It will bolt right in using stock style engine mounts. You need a custom mount for the tranny and a longer driveshaft.
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Old Aug 15, 2005 | 02:25 PM
  #5  
Saigon_Bob's Avatar
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From: Kissimmee, FL
Car: 1991 Camaro RS
Engine: 357cid
Transmission: T5 Swap
Axle/Gears: 10bolt 7.5" 3.23 soon to be 3.73
hopefully you haev money left over for suspension, tires, rollcage, chassis stiffening, etc
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Old Aug 16, 2005 | 04:53 PM
  #6  
gogo90camaro's Avatar
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Joined: Aug 2004
Posts: 59
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From: Michigan
Car: 91 Camaro RS
Engine: 5.7
Transmission: 700R4
Axle/Gears: 3.73
Well the good news is the motors is in. everything fit very very snug. the only mods i really had to do was the motor mounts and i recessed the fire wall in about an inch where the distributer is located. The motor mounts were fabed up by a friend of mine. He had a very good idea. I will try and get pics of the motor mouts. Also I replaced my rear end with a 4:10 locker. That took some time! I ran the car for the first time the other day. I noticed a crap load of body roll durring acceleration. Going to need to stiffin the frame! New and bigger tires are a must! The 15x10's diddnt cut it. the front end pulled up off the ground about 6 inches from what my buddy had said. i wasnt pushing it too hard because of the engine break in. just as the frot end lifed up the tires let loose and lost traction. Oh i almost forgot. I made up a set of custom headers from a header kit i purchased from Jegs and i replaced the fuel pump with a new holley pump. I will have to give you more info later. Thanks
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Old Aug 16, 2005 | 11:08 PM
  #7  
mw66nova's Avatar
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
i'd like to see pics.
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Old Aug 18, 2005 | 07:32 PM
  #8  
Saigon_Bob's Avatar
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Posts: 1,941
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From: Kissimmee, FL
Car: 1991 Camaro RS
Engine: 357cid
Transmission: T5 Swap
Axle/Gears: 10bolt 7.5" 3.23 soon to be 3.73
videos!!!!
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