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Thread: Best factory heads
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11-05-2009, 04:58 AM #1
Best factory heads
hey yall lookin for the best factory heads out of theses numbers 806, 853, 241, 339 don't know much about ls1 heads so specs or what there off of will help thanks
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11-05-2009, 05:16 AM #2
- Join Date
- Jun 2008
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- Annapolis, MD
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BLK/BLK w/CGM Stripes- 2010 Camaro 2SS/M6
http://www.smokemup.com/tech/ls1.php
People mostly like the LS6 head (243's)
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11-05-2009, 05:40 AM #3
Yes 243 heads for the 3.9 bore. The L92s and LS7 heads for bigger bores flow huge numbers.
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11-05-2009, 06:24 AM #4
in nhra stock eliminator those are the only ones your allowed like to use 243 but not legal if i want to try that class
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11-06-2009, 09:56 AM #5
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- NC
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SOM- 1998 T.A.
If you can't use 243's and you cannot port them the 241's make maybe 3-5 more than 806's or 853's. This is due to a smoother casting finish due to a different casting method. All three have the exact same port design so once ported they all have the same potential.
I would spend money on a GOOD valve job as that will give you more than the difference between these heads....
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11-09-2009, 09:26 PM #6
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11-10-2009, 08:57 AM #7
good deal cause thats what i got
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