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This is a discussion on Heads within the Internal Engine forums, part of the LSx Technical Help Section category; Are my LS1 241 heads worth getting ported and polished or is it a waste of money ?...

  1. #1
    Junior Member new2dgame's Avatar
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    Nov 2009
    Mandeville La.

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    1999 Trans Am


    Are my LS1 241 heads worth getting ported and polished or is it a waste of money ?

  2. #2
    Veteran 0rion's Avatar
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    Aug 2005

    98 Formula
    06 duramax

    depends on who's doing the porting and how much you're being charged really. You can end up with a decent set of heads but you really want to make sure it's done by someone that knows what they're doing.

  3. #3
    Former Mopar Man 2002ssslp's Avatar
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    Jun 2011
    Branchville, NJ

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    02 Camaro SS, 04 GTO

    To do a port and polish on LS1 heads correctly you must hit the short and long side radius and blend the bowls and clean up the combustion chambers. Working with valve stem support is difficult and with flow bench time you are looking at over 800 dollars in most cases to do it correctly. Go aftermarket, sell your LS1 heads online to offset your costs.
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

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