C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Mar 27, 2002 | 11:20 AM
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Mr.Gearhead
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Default HELPPPP

What is a 5 angle valve job? Why is it good to have done???
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Old Mar 27, 2002 | 11:49 AM
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verskel
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Default Re: HELPPPP (Mr.Gearhead)

5-angle ? - wow, and I used to think 3-angle was extreme !!!

According to the accepted 'Hot Rodding' tips - the more angles the better so the valve can 'seat' firmly in the head to prevent 'burning', gaps, etc.
Some people think it's a waste of time & money to do this unless you're racing. Personally, you're better off with porting and polishing and making sure you have 'new' valve springs with the proper weight. In the 'ideal' world you wouldn't have 'angled' valve jobs - you'd have spherical valve seating against a wide seat with sperical porting - etc. .....think of little wind-tunnels without rough edges and all sm-o-o-t-h surfaces. :cool:

IF it's a street engine - don't worry about it. :D
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Old Mar 27, 2002 | 12:35 PM
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Default Re: HELPPPP (verskel)

Okay, thanks. I just wanted to know if I should have this done! I thought maybe the heads would flow better than a 3 angle. I thought maybe the difference was like night and day!
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