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Old 02-02-2012, 02:48 PM   #1
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Cryoing an engine?

Has anyone on here done this?
IYO, was it worth the money,,, that is can you provide proof to any gains or longevity?


I've been kicking around the idea of doing this to my engine but I just can't justify the cost ($500). I know that 'in theory' it's supposed to strengthen parts and harden ware surfaces (which would reduce friction and prevent galling) but I just can't see how any real gains can be made here,,, least not that specialized oils/bearings can't provide, and at a far lower initial cost.

The only reason I've been thinking about doing this is I want to spin my engine to much higher RPM and I want to ensure it's safety. I really want to see what the zetec can do @ 10,000rpm, right now it's fairing very well @ 8k. 10K and closer gear ratios would make for a very fun car and something I'd love to play with.

But I guess I should look into dry films too and see what the cost difference is. I mean strength in itself really isn't the issue with the zetec and RPM, it's friction and balance.


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Old 02-03-2012, 08:52 AM   #2
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Here's a good article I found for you...
http://www.enginebuildermag.com/Arti...reatments.aspx
It might be a good idea for you but I would make sure they do the job right and not just throw parts in liquid nitrogen and shock them. I have had friends treat their brakes with cryo and it helped a ton. Looks like one guy in that article just cryo's his piston rings and maybe the cylinder for his normal re-builds. I don't think you will gain much performance (hp) but durability will increase for sure.
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Old 02-04-2012, 11:03 PM   #3
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10,000 rpm? That's Grand Prix racecar territory, and not easily reachable. Would be monster dollars to accomplish that.
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Old 02-05-2012, 07:01 AM   #4
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I'm not sure that treatment would raise the safe RPM limit. It doesn't add a lot of strength, it's essentially an exotic stress relieving process that help ensure dimensional stability under heat cycles, for instance less brake rotor warping under hard braking. By the way, Formula 1 cars are way past 10,000 RPM. http://formula1fanpage.blogspot.com/...rpm-limit.html
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Old 02-06-2012, 12:32 PM   #5
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Quote:
Originally Posted by miragesmack View Post
10,000 rpm? That's Grand Prix racecar territory, and not easily reachable. Would be monster dollars to accomplish that.
There's a guy on here that is over 9k I believe. 10k is reachable but I'm not sure you will have usable power that high up. Tom was arguing with the guy about it for a while.
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