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Do these valves have a 3 angle job on them?

Generation III Internal Engine 1997-2006 LS1 | LS6

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Do these valves have a 3 angle job on them?

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Old

Aug 9, 2002 | 08:10 PM

#1

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Teching In

Joined: Aug 2002

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From: USA

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Do these valves have a 3 angle job on them?

Ok, I have a set of stock valves that are supposed to have a 3 angle job with a back cut. I can't see a difference between them and the valves from my stock heads but I don't know what I'm looking for. Here are some pics for comparison, pics are large (1600 x 1200):

Intake valves (right is new one, left is stock)
http://www.lexingtonathleticclub.com/valves/intake1.JPG

Same picture, different lighting
http://www.lexingtonathleticclub.com/valves/intake2.JPG

Exhaust valves (left is new one, right is stock)
http://www.lexingtonathleticclub.com/valves/exhaust.JPG

Same picture with different lighting
http://www.lexingtonathleticclub.com...s/exhaust2.JPG

3 angle valves - intake and exhaust
http://www.lexingtonathleticclub.com/valves/3angle.JPG

Old

Aug 10, 2002 | 12:42 AM

#2

Teching In

Joined: Jun 2002

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From: Monroe, Oh

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Re: Do these valves have a 3 angle job on them?

Yes your new valves are back cut. But the three angles are ground into the valve seat not on the valve. The valve has only one angle ground into it.

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