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can this work with a TPI unit ?????

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Old Jan 14, 2003 | 08:13 PM
  #1  
D's89IROCZ's Avatar
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
can this work with a TPI unit ?????

Hay guys .......quick question .

I have a shot at this old school 400 ........ can I just put this under my TPI setup ?? also ....sure I would need a roller cam for this to run but ....I am sure there is a bit more to it .


It's sooooo cheap .......even if it blows up it would be alright
how would I make this work with alll the sensors and stuff .........does an old 400 even have a knock sensor ( kidding )

any help would be greatly appreciated
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Old Jan 14, 2003 | 08:52 PM
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From: Austin, TX
you would need to get a computer change, as far as I know.

Also, to the best of my knowledge, the stock 400 block isnt that great as far as durability goes. just my $.02.
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Old Jan 15, 2003 | 01:26 PM
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D's89IROCZ's Avatar
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
Thanx for the heads up ....maybe thats why it is soooo cheap .

I will hold offf on the purchase


I heard something about this "weakness " before ....but thoguht it was a myth.
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Old Jan 15, 2003 | 02:23 PM
  #4  
D Stroy H8's Avatar
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From: Las Vegas, NV
Car: 1990 Iroc-Z
Engine: L98
Transmission: 700R4
What make?
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Old Jan 15, 2003 | 05:01 PM
  #5  
D's89IROCZ's Avatar
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
Pontiac.......... I heard there was a chevy 400 ( used in cop cars )
but I have never seen these anywhere


again ....I can get a deal on the pontiac 400
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Old Jan 16, 2003 | 06:01 PM
  #6  
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From: Conroe, TX
Car: 1987 GTA
Engine: LS1
Transmission: 4L60e
nope...tpi will not be a bolt on mod for a pontiac 400. The GM 400 is a small-block compatible block....so all tpi and equivilant will bolt on. Your best luck with that pontiac 400 is to buy it and then try selling it for twice what you paid. Many many many people would kill for a Pontiac 400 in decent shape.
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Old Jan 16, 2003 | 06:29 PM
  #7  
D's89IROCZ's Avatar
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
Thanx for the heads up ........ He had it magnafluxed and , it was cracked anyways ( was worth the $$$$ to find out )
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Old Jan 16, 2003 | 08:28 PM
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Hung Start67's Avatar
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From: redneck central
chebby 400 is a small block. Back in their day it was a tough motor. My father had one in his '74 chevy wagon..4 bolt main..qudrajet 4 barrel dual exhaust..it was a bad motha. Only thing about the chebby 400's were....steam passages for cylinder head cooling..I believe low revs..and the motor is externaly balanced. The 400 was and still is a good motor.
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