LS1TECH - Camaro and Firebird Forum Discussion

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- Generation III Internal Engine (https://ls1tech.com/forums/generation-iii-internal-engine-5/)

- - Hand Ported 241's (https://ls1tech.com/forums/generation-iii-internal-engine/1042776-hand-ported-241s.html)

gmguy4life

Jan 4, 2009 07:49 AM

Hand Ported 241's

No luck in my search. I would like to know what are the typical HP gains of hand ported 241's? I know typical gains from CNC port jobs on heads are around 30hp. Does anybody have any before and after results on hand ported heads, flow numbers would be good also? I know results can vary from person to person, I just want to get a general idea.

zank28

Jan 4, 2009 08:06 AM

:secret2:

studderin

Jan 4, 2009 11:45 AM

https://ls1tech.com/forums/lsx-parts...ghlight=ported

SOMbitch

Jan 4, 2009 01:17 PM

It all depends on how good the hand port job is. A CNC job is nothing more than a digital replication of a hand ported head on a CNC machine.

gmguy4life

Jan 4, 2009 08:50 PM

Quote:

Originally Posted by studderin (Post 10779534)

https://ls1tech.com/forums/lsx-parts...ghlight=ported

Thanks.

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