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No o-ring gruve on valve, should i still use them??

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Old Mar 11, 2004 | 09:50 PM
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89 Iroc Z's Avatar
89 Iroc Z
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From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
No o-ring gruve on valve, should i still use them??
I am assembling a set of heads and the stainless steal valves i got do not have the groves for the o-rings should I still put them on the valve or not?

I curently have 12511890 valve seal kit
Last edited by 89 Iroc Z; Mar 11, 2004 at 10:13 PM.
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Old Mar 11, 2004 | 10:03 PM
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89 Iroc Z
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From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
Would it be okay just to use 16 of these seals for intake and exhaust without the o ring? Would that solve the problem?

http://www.gmpartsdirect.com/perform...CATID=749.html
Attached Thumbnails No o-ring gruve on valve, should i still use them??-996.gif  
Last edited by 89 Iroc Z; Mar 11, 2004 at 10:07 PM.
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Old Mar 12, 2004 | 12:34 AM
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89 Iroc Z
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20 Year Member
 
Joined: Aug 2001
Posts: 2,136
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From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
anyone???
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Old Mar 12, 2004 | 04:57 AM
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ede
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From: Jackson County
if you use umbrella or positive seals it wouldn't matter if you had the groove for o ring seals or not.
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Old Mar 12, 2004 | 08:06 AM
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89 Iroc Z
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Joined: Aug 2001
Posts: 2,136
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From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
I heave heard that it is not safe to use positive seals on the exhaust because it doesn't allow enough oil to get into the guide. Is it safe to use these seals on exhaust valves?
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Old Mar 12, 2004 | 09:50 AM
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ede
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From: Jackson County
don't know if it's safe or not but fel pro among others makes seals for exhaust valves and i've used them on just about every head i've had apart.
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