5.3 Heads Question
03-19-2003, 07:10 PM
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5.3 Heads Question I was told today that the 5.3 liter GM engine 00 and above, has a better flow than a 98/99 LS1 heads, Is there any truth to that??? <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" />
