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will manley 2.02 1.6 valves fit on a stock ls1 head?

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Old 01-28-2005, 05:31 AM
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Lightbulb will manley 2.02 1.6 valves fit on a stock ls1 head?

I will be upgrading my valves soon and was wondering if the 2.02 int and 1.6 ext valve would fit on a stock ls1 head with out doing anything to the head (i.e. porting the valve bowl.)
Old 01-28-2005, 06:05 AM
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i have all so thought about going with an ls6 valves but, im kinda scared of them braking off into 2 peices. i've read that the manley's just bend.
Old 01-28-2005, 06:48 AM
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You will have to have the valve seats cut for the new valves. Also, trust me you will want to do some bowl work to these heads. They are very rough from the factory and the seats do not transition well from the bowl area.
Old 01-28-2005, 06:53 AM
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You will have to unshroud around the exhaust and I would, after the seats are cut, open the necks to 90% of the valve size.
Old 01-28-2005, 09:54 AM
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so would ls6 valves be out of the question?
Old 01-28-2005, 02:01 PM
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No, they should drop right in.
Old 01-28-2005, 02:01 PM
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Actually, I think the ls6 valve are different lengths though. Do a search and find out.



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