What Flex-Plate?
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Joined: May 2003
Posts: 109
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From: San Jose
Car: 1990 IROC-Z
Engine: 355 TPIS Mini Ram, Vortech R-Trim
Transmission: 700r4
Axle/Gears: 3.73 Strange S60
What Flex-Plate?
I have a 1990 IROC 350, pulled the stock motor out and replaced it with a 1992 motor from a truck which was rebuilt. I tried using the Flex-Plate from the 1990 but it will not bolt up due to the bolt holes not matching up. Anyone know what kind of flywheel I need? See pic
Last edited by iroc90dfi; Mar 18, 2013 at 12:26 PM.
Joined: Sep 2005
Posts: 27,893
Likes: 2,436
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: What Flywheel?
Keep turning the flex plate (not a flywheel) until the bolt holes line up. Only goes one way.
Joined: Apr 2005
Posts: 7,736
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: What Flywheel?
You are missing the dowel in the crank flange that makes the plate fit on in the ( only ) correct position
Observe the smaller hole betwen the two bolt holes shown at 2 o'clock in your pic and match that to the same hole in the crank flange where the alignment dowel should be
Observe the smaller hole betwen the two bolt holes shown at 2 o'clock in your pic and match that to the same hole in the crank flange where the alignment dowel should be
Thread Starter
Member
Joined: May 2003
Posts: 109
Likes: 0
From: San Jose
Car: 1990 IROC-Z
Engine: 355 TPIS Mini Ram, Vortech R-Trim
Transmission: 700r4
Axle/Gears: 3.73 Strange S60
Re: What Flex-Plate?
Thanks for the feedback, was doing all this in a rush yesterday, but got it figured out.
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