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Old 09-11-2008, 08:32 AM   #26
Homemade WRX
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Join Date: Mar 2003
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Location: 3MI Racing LLC
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96 bastard child
search FIRST, then PM!!!

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Originally Posted by SaabTuner View Post
Also, don't forget the gears in your transmission. Those are prime targets for DLC coatings, as are the bearings, if they can be removed. Gear friction is a major source of transmission losses, and gear/bearing wear is usually the long-term tranny killer, if outright power doesn't kill it first.
my only question with that would be thermal relationship. How hot would the gears then get?...would the coating keep them cooler (because of reduced friction) despite it shedding oil quicker?

I'm a fan of DLC and WPC treatments both...some for certain parts more than others.

and I think we all have a man crush on you, Adrian

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Old 09-11-2008, 07:44 PM   #27
SaabTuner
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Originally Posted by Homemade WRX View Post
my only question with that would be thermal relationship. How hot would the gears then get?...would the coating keep them cooler (because of reduced friction) despite it shedding oil quicker?

I'm a fan of DLC and WPC treatments both...some for certain parts more than others.

and I think we all have a man crush on you, Adrian



ta-C DLC conducts heat extremely well, for one thing. Secondly, every time I've seen research done with dry-film lubricants in transmissions, even those which do not conduct heat particularly well (and also shed oil), like MoS2, the gear temperatures always went down.

Since ta-DLC conducts heat so well, and lubricates extraordinarily well, it should be ideal for the job and should cause a decrease in gearbox temp, and transmission losses, with an increase in gearbox life.

Your wallet ... on the other hand ... may become terminally damaged.

-Adrian
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