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305 flywheel work on 350??

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Old Jun 20, 2001 | 11:53 PM
  #1  
84TransAm's Avatar
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From: Richmond, VA
305 flywheel work on 350??

Would my LG4 Flywheel work on a 350? The specific one i'm looking at is the GM Goodwrench 350 (LM1). Thanks.

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--Steve S--
1984 Trans Am 305 LG4, 5 speed Daily Driver, Flowmaster 80 Series
Holley 600 cfm & vacuum advance
Soon: Edlebrock Intake & TES
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Old Jun 21, 2001 | 07:37 AM
  #2  
Jim85IROC's Avatar
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
It depends. If both motors have the same crank (i.e. 1 piece rear main seal vs. 2 piece) it should work fine. I'm using my original 305 flywheel on my IROC.

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Old Jun 21, 2001 | 07:49 AM
  #3  
84TransAm's Avatar
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From: Richmond, VA
It's a 2 piece.

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--Steve S--
1984 Trans Am 305 LG4, 5 speed Daily Driver, Flowmaster 80 Series
Holley 600 cfm & vacuum advance
Soon: Edlebrock Intake & TES
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Old Jun 21, 2001 | 10:55 PM
  #4  
Troy 85Z's Avatar
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From: MT
Car: 85 Z
Engine: Edelbrock Injected 350
Transmission: T-5
Axle/Gears: 3:42 LS1 Posi
Steve - It should work just fine. I used the 305 flywheel when I replced the tired LG4 with the Goodwrench 350 about 5 years ago and everything still works fine. If I remember the 350 has two piece rear seals so it should work. Good luck
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