O ring or fire ring
#2
https://www.dieselbombers.com/5-9l-2...ing-heads.html
Oring for a daily driver is typically a better idea as it can take the heat cycles better. Fire ring is a max performance mod, 80+ PSI boost.
Oring is a wire ring embedded in the head, fire ring is a copper ring that squishes into a groove of the head, and/or block.
My O-Ringing was $300 once I got the head to the shop.
Pull the head, machine the surface, then the shop will cut the grooves and install the rings.
Oring for a daily driver is typically a better idea as it can take the heat cycles better. Fire ring is a max performance mod, 80+ PSI boost.
Oring is a wire ring embedded in the head, fire ring is a copper ring that squishes into a groove of the head, and/or block.
My O-Ringing was $300 once I got the head to the shop.
Pull the head, machine the surface, then the shop will cut the grooves and install the rings.
#3
Will having it o ringed work for 60psi of boost? That's what my twins are set at now. Thanks for the quick reply.
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Where could I get an oring kit? Is there one kit better than the other?
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Where could I get an oring kit? Is there one kit better than the other?
Last edited by ClintD.; 12-18-2013 at 07:43 PM. Reason: Automerged Doublepost
#6
#7
I talked to Scheid diesel and Haisleys. They both said they don't put o rings in. Just fire ring. From daley drivers to farmers to pullers and track. I have a machine shop close that puts o rings in but are not known much for diesels. Labor is 100 cheaper than both Scheid and Haisleys. But the others are well known and that's the stuff they do all the time. I'm 4 hours away from Scheid and 5 from Haisleys. I think I'm going with Scheid. Anyone have any other suggestions? I really would rather not ship it if I didn't have too. Plus Scheid will have it done in 3-4 days from the time I drop it off.
#8
I talked to Scheid diesel and Haisleys. They both said they don't put o rings in. Just fire ring. From daley drivers to farmers to pullers and track. I have a machine shop close that puts o rings in but are not known much for diesels. Labor is 100 cheaper than both Scheid and Haisleys. But the others are well known and that's the stuff they do all the time. I'm 4 hours away from Scheid and 5 from Haisleys. I think I'm going with Scheid. Anyone have any other suggestions? I really would rather not ship it if I didn't have too. Plus Scheid will have it done in 3-4 days from the time I drop it off.
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#10
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