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Installing a TPI V-8 in place of the "6"

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Old Dec 25, 2002 | 09:29 PM
  #1  
Dyno Don's Avatar
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From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Installing a TPI V-8 in place of the "6"

I have just completed this project. I had a donor car so it did help.
I removed everything from the donor car and placed it on an engine stand so it would be easy to swap things. I then removed the harness from the donor car and installed it on the motor. Next, I removed the V-6 and wiring harness and the motor mounts, radiator, fans, transmission and misc. Installed the correct heater tubes and hoses and prepared the engine bay for the trans plant. Once I dropped the engine in I then went about connecting all the wires (all the plugs matched up) to the new car, even the firewall connector. I then routed the harness back thru the fender and into the inside of the car. Again all the connectors matched up (checked all the wire colors to make sure). Installed the computer and plugged it in. Reinstalled the V-8 trans, bolted everything down, then rechecked all my connections, hooked up the battery and turned the key on, (of course I already changed out the guage cluster) spun the starter and wella she fired up. I installed the V-8 radiator (3 row and dual fans) to go with the '88 serpentine setup.
Now for a little tuning and she will be already to go.

This is a really clean '87 Firebird "305" TPI, the motor was rebuilt a year ago and the trans is a '92 4L60 with all the good stuff in it. It has good tires all around and nice looking wheels.
The car will be _for sale_ so if any one is interested contact me.

My project car is an '87 Firebird as was the donor car.
It would make somebody a real nice driver.


Don>>>

Last edited by Dyno Don; Dec 25, 2002 at 09:31 PM.
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Old Dec 26, 2002 | 01:35 AM
  #2  
90firebird's Avatar
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Joined: Oct 2002
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From: Los Angeles, Ca.
Car: Base Firebird
Engine: TPI 350
Transmission: T56
Axle/Gears: D44
how long did the swap take you? did you do it in your own garage?
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Old Dec 26, 2002 | 10:00 PM
  #3  
Dyno Don's Avatar
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From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Originally posted by 90firebird
how long did the swap take you? did you do it in your own garage?
I did it at the shop, took two days.
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Old Dec 28, 2002 | 12:35 AM
  #4  
C-Dawg's Avatar
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From: Long Beach, CA
hehe thats what i need to do, swap the 6 and get an 8
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Old Dec 28, 2002 | 04:18 PM
  #5  
89 TA's Avatar
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From: Ontario
Car: Trans Am/Kenworth
Engine: 383/435 Cat
Transmission: T5/10 speed
Originally posted by C-Dawg
hehe thats what i need to do, swap the 6 and get an 8
OR to save you alot of work just sell your car and buy Don's.
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Old Dec 29, 2002 | 12:45 AM
  #6  
C-Dawg's Avatar
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From: Long Beach, CA
yea.......
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Old Jan 13, 2003 | 10:24 PM
  #7  
Dyno Don's Avatar
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From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
'87 Swap

Took her down to the "check only" station today "WOW" I can't believe how clean it passed. Way below all the average #'s. Just need the plates now and down the road she goes. I took her for a spin while I was at it, runs good for a "305" TPI. ('98 Vortec cam).
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Old Jan 14, 2003 | 01:11 AM
  #8  
90firebird's Avatar
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From: Los Angeles, Ca.
Car: Base Firebird
Engine: TPI 350
Transmission: T56
Axle/Gears: D44
right on, u've gotten past the smog *****!!
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Old Jan 14, 2003 | 08:38 PM
  #9  
trans87's Avatar
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From: Cypress, SoCali
Car: 2006 Tacoma X-Runner
Engine: 4.0L DOHC V6
Transmission: 6-Speed Manual
Axle/Gears: 3:15 LSD
Sweet Don! Glad you got it pass the smog police. I hope my car will get by them with ease when it gets the 350.
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Old Jan 14, 2003 | 11:48 PM
  #10  
Kevin91Z's Avatar
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Originally posted by trans87
Sweet Don! Glad you got it pass the smog police. I hope my car will get by them with ease when it gets the 350.
With me doing the tuning, its a piece of cake.
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