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ls1 to ls6 head parts crossover

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Old 02-02-2010, 04:39 PM
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Default ls1 to ls6 head parts crossover

Ok so I've got an 01 LS1 engine, swapping the 241 heads for some 243s, one of the 243s has a bad valve guide. My question is whether or not the ls1 replacement guides http://www.summitracing.com/parts/TFS-30600251-1/ will fit the new ls6 valves (hollow core, 8mm valve stem)

also, I only got the springs and rockers, that means i need retainers, locks, valve seals, what else?
Old 02-02-2010, 06:39 PM
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That is actually a bronze guide for a Trick Flow head. It is not a stock replacment guide. To answer your question regarding the LS1 and LS6 guides, the factory LS1 and LS6 guides are the same.

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Old 02-02-2010, 08:20 PM
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need head covers?
Old 02-02-2010, 09:16 PM
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The guides in your head are ductile iron and usually very durable. I would measure them all...
Old 02-02-2010, 09:40 PM
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can you replace the bad guide and hone it to spec for the valve?




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