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.

Just finished 305 to 454 swap

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Old Sep 5, 2005 | 10:16 AM
  #1  
warheart's Avatar
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From: Everywhere
Car: `84 Trans Am, `78 Monte Carlo
Engine: 350 TPI, 454
Transmission: T5, TH350
Axle/Gears: 3.23, 3.42 posi
Just finished 305 to 454 swap

Well we just finished our 454 swap in our ´86 firebird everything went great except some hammering to make some room for hooker super competition headers. We estimate about 550hp. BBC features 850 Speed Demon carb, Vic. Jr. intake, MSD pro billet distributor, MSD wires , Blaster 3 coil, World Oval port heads (ported), comp cams ex. energy 230, 244 @ .050, crane roller rockers, Speed Pro pistons 12:1 compression, Eagle crank, Eagle H-beam rods, blue Holley electric duel pump,B&M flywheel, rebuilt th 350 with TCI 3000 stall converter and shift kit, GM 7.5 with auburn posi and 3.73 richmond gears.
If you have any questions or suggsestions then let us know....
http://www.usaraud.ee/?id=5_5_20_169
http://www.dragracing.ee/pictures/mc...es/image8.html
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Old Sep 5, 2005 | 12:45 PM
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From: santa barbara,ca
Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
looks pretty good! Are you going to try and clean up the engine bay. Why is the a chain holding down that engine? How does it perform?

bryan
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Old Sep 5, 2005 | 01:17 PM
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From: SoCal
I assume the chain is to limit engine movement when it torques over.

Damn!
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Old Sep 6, 2005 | 05:33 AM
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warheart's Avatar
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From: Everywhere
Car: `84 Trans Am, `78 Monte Carlo
Engine: 350 TPI, 454
Transmission: T5, TH350
Axle/Gears: 3.23, 3.42 posi
Yes, we definately gonna clean up the engine bay and yes the chain is to limit engine movement we figured out that we´ll need some tougher suspension (ladder bars, shocks etc) to get better traction but generally it is a street/strip project.
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Old Sep 6, 2005 | 09:34 AM
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
you don't need to go to ladder bars to get the thing to hook. put some relocation brackets on the rear end where the lower control arms mount. spohn sells them. check it out under the suspension section at www.spohn.net also, box those lower control arms in. maybe put some poly bushings on everything back there. just trying to save you some time and money and aggrivation. i've cut 1.75 60's on this setup, my father has gone 1.66 and i know plenty of people in the 1.5 60' range.

about the chain. i would either put some solid motor mounts in and do away with the chain entirely, or move the chain from where it's at. that bolt will rip right through the thin metal of the inner fender well. i'd put it down on the frame rail up front.
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Old Sep 6, 2005 | 02:38 PM
  #6  
warheart's Avatar
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From: Everywhere
Car: `84 Trans Am, `78 Monte Carlo
Engine: 350 TPI, 454
Transmission: T5, TH350
Axle/Gears: 3.23, 3.42 posi
Originally posted by mw66nova
you don't need to go to ladder bars to get the thing to hook. put some relocation brackets on the rear end where the lower control arms mount. spohn sells them. check it out under the suspension section at www.spohn.net also, box those lower control arms in. maybe put some poly bushings on everything back there. just trying to save you some time and money and aggrivation. i've cut 1.75 60's on this setup, my father has gone 1.66 and i know plenty of people in the 1.5 60' range.

about the chain. i would either put some solid motor mounts in and do away with the chain entirely, or move the chain from where it's at. that bolt will rip right through the thin metal of the inner fender well. i'd put it down on the frame rail up front.
Thanks for the great advice we´ll get solid motor mounts and remove the chain and we will get poly bushings and stuff...i think the relocation bracets would be great also....
What would be the greatest tires on the strip, what slicks???
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Old Sep 6, 2005 | 03:56 PM
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
i'm running a M/T ET Street Radial. it's been the best tires i've ever used. some claim they are better than regular slicks. i've seen people go deep into the 7's at 180+mph on these tires. if your going to go to a regular slick, a M/T ET Drag in the 28x10.5 size would do you just fine.
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Old Sep 6, 2005 | 05:05 PM
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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
The up-and-coming slick seems to be the Hoosiers. I'm into my 3rd season on a set of Quicktime Pro DOT's. I haven't talked to anyone who didn't like them.

Right after that are the MT ET Street Radials. If you need DOT tires that you want to run on the street, that would be my call.
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Old Sep 10, 2005 | 08:50 PM
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redbird_400's Avatar
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From: Manassas, VA
Car: 89 Formula Firebird
Engine: 305 - Demon 525
Transmission: 700R4
great job warheart
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Old Sep 11, 2005 | 12:08 PM
  #10  
warheart's Avatar
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From: Everywhere
Car: `84 Trans Am, `78 Monte Carlo
Engine: 350 TPI, 454
Transmission: T5, TH350
Axle/Gears: 3.23, 3.42 posi
Thanks guys! We just bought a new powermaster starter so we will be on strip next week......
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Old Sep 13, 2005 | 01:52 PM
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From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
The other day I was thinking of another weak link that should be fixed. Ever notice what your wheel bearings are caged in?

Man I wish I could afford to finsh my swap, your car
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