Generation III Internal Engine 1997-2006 LS1 | LS6
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View Poll Results: Which heads should I get????
Patriot Stg 3 5.3 Heads
43
27.22%
AFR 225cc Heads
83
52.53%
Other
32
20.25%
Voters: 158. You may not vote on this poll

Can't decide AFR 225cc or Patriot Stage 3 5.3 heads, most HP per $

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Old 12-07-2006 | 02:29 AM
  #41  
PICNIC_GEORGE's Avatar
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From: Sparks NV
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Originally Posted by SpdFrk1990
Do you have to mod the valve covers for rocker clearance or anything for the tfs heads?
I don't think there is any clearance issues. However TFS does say not to use stock rocker arms on those heads. Not sure why but I'll find out.
Old 01-24-2007 | 12:22 PM
  #42  
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From: NW Houston, TX
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Id say the 5.3's since im assuming its a stock cube motor. You already have the cores, and the 5.3 numbers are right in line with LS6 numbers (both flow and HP)



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