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Is an 89 TPI Corvette crank the same as an 89 Trans AM TPI Crank????

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Old Jan 12, 2001 | 10:47 AM
  #1  
CamaroX84's Avatar
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From: Michigan
Is an 89 TPI Corvette crank the same as an 89 Trans AM TPI Crank????

A guy is willing to sell me a crankshaft out of an 89 350 TPI Corvette to use in the 89 Trans Am 350 TPI motor that I have. Are they different at all? Or should I just not waste the money and use the one I have? Thanks.

------------------
1984 Camaro Sport Coupe - 73K Miles
5.0 Carbed LG4
COMPLETELY stock except for a K&N Air Filter
F41 Suspension Package
700R4 Tranny
3.08 Rear End
New Paint
Best 1/4 Mile Run:
16.760 @ 80.74 MPH

Coming Soon:
350 TPI
Complete 3" Exhaust System
Aluminum Drive Shaft
3.27 Disc Brake Posi Rear
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Old Jan 12, 2001 | 10:52 AM
  #2  
Superman's Avatar
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Joined: Jan 2000
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From: Panama City Beach,Florida
Car: 1989 Camaro
Engine: 406
Transmission: Pro-built 700R4
I don't think there is any difference in the cranks at all. If yours is still in good shap I would not waste the money on it.
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Old Jan 12, 2001 | 11:04 AM
  #3  
Blade's Avatar
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Joined: May 2000
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They're exactly the same...
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Old Jan 12, 2001 | 11:08 AM
  #4  
CamaroX84's Avatar
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From: Michigan
Ok, thanks for the info guys.

------------------
1984 Camaro Sport Coupe - 73K Miles
5.0 Carbed LG4
COMPLETELY stock except for a K&N Air Filter
F41 Suspension Package
700R4 Tranny
3.08 Rear End
New Paint
Best 1/4 Mile Run:
16.760 @ 80.74 MPH

Coming Soon:
350 TPI
Complete 3" Exhaust System
Aluminum Drive Shaft
3.27 Disc Brake Posi Rear
Reply
Old Jan 12, 2001 | 06:29 PM
  #5  
Pat Hall's Avatar
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From: Roy,UT USA
You might want to check the casting # on that vette crank at www.mortec.com just to see if it's a forged one, but more than likely it's the same cast crank as the one you have. I'd check the casting # on it just to be sure though.

------------------
89RS w/350 TPI; 69RS/SS w/450 HP 350/Muncie 4-Speed "Too weird to live, too rare to die."
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Old Jan 12, 2001 | 07:30 PM
  #6  
Mkos1980's Avatar
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
Does it matter that the vette had a 4 bolt main?
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