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o ringed

   
Old May 22, 2002 | 01:47 PM
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From: Addison. Il
o ringed
what does it mean exactly to "o ring" a engine? the guy that built my engine told me this was done, but didnt explain what it did. all he siad was that its a good idea to do that if your gonna run NO2.....?????anyone know?
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Old May 22, 2002 | 01:49 PM
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From: Orygun
Good question
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Old May 22, 2002 | 02:07 PM
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Around the bore, you mill an o-ring indentation, do the same on the head (around the combustion chamber), and by putting a steel ring in that spot, you increase the sealing capability.

(If I'm way off base, someone correct me!)
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Old May 22, 2002 | 05:08 PM
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From: Addison. Il
so the 2 rings expand from the heat creating a better seal? This is better for N02 becasue no2 makes your engine work harder creating more heat?
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Old May 22, 2002 | 05:30 PM
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Car: '94 Corvette
Engine: LT1
Transmission: 4L60E
It's a prerequisite for copper head gaskets normaly used in super high compression engines.

Ron
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Old May 22, 2002 | 05:39 PM
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
There's only one ring per cylinder, but both the cylinder head and engine block have to be machined to accept the ring.
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Old May 22, 2002 | 05:42 PM
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From: Addison. Il
ok, i think i get it...so im guessing the guy that had this block before me must of had a tight freakin engine!!
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