2004 hoe L59 head swap

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Fast LT1

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ok, I have the case tech heads and they are cracked, so I will be doing a head swap. I was going to go with the 862 heads and port and polish them. Anyone have any ideas of good mods to do while I have it apart? Is it advisable to better rocker rollers? I will add some kind of headers, anyone recommend any? Are there any Intakes that are better than stock? Throttle body upgrades?
 

01ssreda4

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What truck/engine are we talking about? If its a Gen3 engine I would recommend the speed eng headers and a tbss/07+ intake and matching TB. Those really get these engines breathing.
 
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Fast LT1

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2004 Tahoe, stock 5.3l w/ L59 flex fuel.

Mods are volant intake
33" BFGs
2.5" level
 

JoeM5952

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What truck/engine are we talking about? If its a Gen3 engine I would recommend the speed eng headers and a tbss/07+ intake and matching TB. Those really get these engines breathing.

Is there a write up for these. I have been searching but I haven't found a full write up showing how to do the fuel rail mods and all.
 

01ssreda4

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Performance trucks forum has a ton of threads on the subject also.
 

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