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Chevy 8.1 (496 C.I.) transplant

Old Dec 24, 2023 | 05:05 PM
  #1  
zenith's Avatar
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From: Mile High City
Default Chevy 8.1 (496 C.I.) transplant

I see the 8.1 big block came in some of the Silverado trucks from 04-07.

Has anyone heard of an H2 that has been successfully upgraded to one?

340 HP (stock) and 450lbs of torque. Sounds like a perfect match if it could be done.




 
Old Dec 25, 2023 | 12:21 AM
  #2  
Gavin Costigan's Avatar
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From: North GA
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I imagine it’s not common. I’ve never heard of it at least. With the time and money it would take you may as well just throw a whipple on the 6.0 and call it a day. It’ll make more power and have lots of room for performance upgrades.

with the 8.1 you get what you get. There’s not much room for more power and hardly any aftermarket support.

I do agree it would have been awesome if gm put these in from the factory tho.
 
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