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Trail Shredder

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Since: Apr 21, 2004
Posts: 11



(Msg. 1) Posted: Fri Jul 29, 2005 1:55 pm
Post subject: Flywheel Help
Archived from groups: alt>autos>4x4>chevy-trucks (more info?)
Looking for some flywheel help with a 427 tall deck. The engine is about a
'67 or so and is replacing a 454 in a '75 K30 HD with a standard
transmission (3 speed w/creeper). What do I need for a flywheel on this
engine? From what the GM dealer says, the 427 was never offered in a light
truck - this one came out of a tandem axle grain truck. Is the 427
internally or externally balanced? If I need to give more information,
please let me know.

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SnoMan




Joined: May 17, 2005
Posts: 1396



(Msg. 2) Posted: Fri Jul 29, 2005 4:15 pm
Post subject: Re: Flywheel Help [Login to view extended thread Info.]
Trail Shredder wrote:
Looking for some flywheel help with a 427 tall deck. The engine is about a
'67 or so and is replacing a 454 in a '75 K30 HD with a standard
transmission (3 speed w/creeper). What do I need for a flywheel on this
engine? From what the GM dealer says, the 427 was never offered in a light
truck - this one came out of a tandem axle grain truck. Is the 427
internally or externally balanced? If I need to give more information,
please let me know.


The 427 is intenally balanced and the 454 is not. You will have to use a 366/396/402 or 427 flywheel.

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IRONDOG

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Since: Jul 31, 2005
Posts: 2



(Msg. 3) Posted: Sun Jul 31, 2005 8:09 am
Post subject: Re: Flywheel Help [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Trail Shredder wrote:
> Looking for some flywheel help with a 427 tall deck. The engine is about a
> '67 or so and is replacing a 454 in a '75 K30 HD with a standard
> transmission (3 speed w/creeper). What do I need for a flywheel on this
> engine? From what the GM dealer says, the 427 was never offered in a light
> truck - this one came out of a tandem axle grain truck. Is the 427
> internally or externally balanced? If I need to give more information,
> please let me know.

You can use any 168 tooth flywheel from any Chevy gasoline V-8 engine
except the 454 or the small block 400. In fact the one you have in the
'75 truck should work if it was powered by a 350 Chevy.
Jerry
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IRONDOG

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Since: Jul 31, 2005
Posts: 2



(Msg. 4) Posted: Sun Jul 31, 2005 9:01 pm
Post subject: Re: Flywheel Help [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
IRONDOG wrote:

>
> You can use any 168 tooth flywheel from any Chevy gasoline V-8 engine
> except the 454 or the small block 400. In fact the one you have in the
> '75 truck should work if it was powered by a 350 Chevy.
> Jerry

Make that "any 168 tooth flywheel from any * pre-1986* Chevy gasoline
V-8 that uses a 2 piece rear main seal except the 454 or the 400
smallblock" Sorry I overlooked that in my first reply.
Jerry
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