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.

Engine swap

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Old May 18, 2010 | 07:09 AM
  #1  
19transamtpi86's Avatar
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Joined: Jun 2008
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From: Tafton,PA
Car: 1986 Trans am-Firebird
Engine: 305 TPI
Transmission: Stock
Axle/Gears: 3.73
Engine swap

So im buildign a a 350 .040 over on the bore with speed pro trw flat top pistons with a -.o15 deck height, -7cc four valve relief with vortec iron heads with setup for .500 lift. i was wondering if anybody could match me up a cam for theses heads to my motor for my 1986 trans am none fuel inj. thanks
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Old May 18, 2010 | 07:45 AM
  #2  
Atilla the Fun's Avatar
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Joined: Oct 2008
Posts: 6,319
Likes: 19
From: Northern Utah
Car: seeking '90.5-'92 'bird hardtop
Engine: several
Transmission: none
Axle/Gears: none
Re: Engine swap

you have a serious mismatch between your new compression ratio and your stock rear axle gearing. Are you willing to fix the gearing situation, or do you prefer a very compromised cam?
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Old May 19, 2010 | 01:11 PM
  #3  
19transamtpi86's Avatar
Thread Starter
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Joined: Jun 2008
Posts: 137
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From: Tafton,PA
Car: 1986 Trans am-Firebird
Engine: 305 TPI
Transmission: Stock
Axle/Gears: 3.73
Re: Engine swap

well the the swap in not for sure into my other thirdgen, but because its an option it makes this question thirdgen related so i was just wondering what cam would best match up right now to make best possible power at the crank then what ever the motor goes in the drive train will be adjusted to it
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Old May 19, 2010 | 04:11 PM
  #4  
Atilla the Fun's Avatar
On Probation
 
Joined: Oct 2008
Posts: 6,319
Likes: 19
From: Northern Utah
Car: seeking '90.5-'92 'bird hardtop
Engine: several
Transmission: none
Axle/Gears: none
Re: Engine swap

okay. Carbureted or injected?
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Old May 21, 2010 | 12:38 PM
  #5  
19transamtpi86's Avatar
Thread Starter
Member
 
Joined: Jun 2008
Posts: 137
Likes: 0
From: Tafton,PA
Car: 1986 Trans am-Firebird
Engine: 305 TPI
Transmission: Stock
Axle/Gears: 3.73
Re: Engine swap

its gonna have a carb, and i want the cam to be a hydraulic not roller or solid. Im looking for a cam thats gonna make good horsepower and lots of torque at the crank
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Old May 21, 2010 | 07:23 PM
  #6  
game1939's Avatar
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Joined: Feb 2010
Posts: 162
Likes: 1
From: savannah, ga
Car: 91 chevy camaro
Engine: 383
Transmission: 700r4 built with corvette servo
Axle/Gears: posi 3:73
Re: Engine swap

im running a 290/300 lunanti voodoo cam its wicked......
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Old May 22, 2010 | 08:31 AM
  #7  
Atilla the Fun's Avatar
On Probation
 
Joined: Oct 2008
Posts: 6,319
Likes: 19
From: Northern Utah
Car: seeking '90.5-'92 'bird hardtop
Engine: several
Transmission: none
Axle/Gears: none
Re: Engine swap

http://www.compcams.com/Cam_Specs/Ca...?csid=116&sb=2
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