Jet Hot
07-25-02, 01:37 AM
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Jet Hot
i was wondering what the cost is for doing some parts? what have other experenced.. what would be the thing to have coated on a n/a and a turbo? i know to do the downpipe.. could u also dp parts of the turbo? maybe the outside of the engine? any ideas im curious? thanks!! 
07-25-02, 07:04 AM
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07-25-02, 09:50 AM
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Opinions are like........
Coat everything coatable!
Some coatings are primarily for show. Others can insulate, shed heat, lubricate, prevent wear, salvage worn components.............Mazda(and other rotary mfgs) used various coatings on the rotary. I think that the T2 rotor faces are teflon coated and that the sides of the housings have gas nitride coatings. Race engines had cermet coating. Some other manufacturers used a molydenum coating. Boinger engine makers are slowly eliminating sleeves on aluminum blocks and using a coating(nikasil/ceramic composite/plasma spray/....) to save weight and eliminate wear.
And there are several rotary engine builders that offer coatings. The reason why it isn't common on the street is that it is very expensive to coat an entire engine(inside and out) with all the available coatings.
Lots of reading at the jethot link above and at the following:
http://www.swaintech.com/coatings.html
http://www.swaintech.com/header.html
http://www.swaintech.com/price.html
http://www.hpcoatings.com/
http://www.polydyn.com/
http://www.techlinecoatings.com/introduction.html
http://www.usnicom.com
Some coatings are primarily for show. Others can insulate, shed heat, lubricate, prevent wear, salvage worn components.............Mazda(and other rotary mfgs) used various coatings on the rotary. I think that the T2 rotor faces are teflon coated and that the sides of the housings have gas nitride coatings. Race engines had cermet coating. Some other manufacturers used a molydenum coating. Boinger engine makers are slowly eliminating sleeves on aluminum blocks and using a coating(nikasil/ceramic composite/plasma spray/....) to save weight and eliminate wear.
And there are several rotary engine builders that offer coatings. The reason why it isn't common on the street is that it is very expensive to coat an entire engine(inside and out) with all the available coatings.
Lots of reading at the jethot link above and at the following:
http://www.swaintech.com/coatings.html
http://www.swaintech.com/header.html
http://www.swaintech.com/price.html
http://www.hpcoatings.com/
http://www.polydyn.com/
http://www.techlinecoatings.com/introduction.html
http://www.usnicom.com
07-25-02, 05:24 PM
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what has other people coated here? and what are there results.. where would one send there stuff to be done? and what parts did everyone do on the T2? sorry for all the questions! thanks
07-25-02, 07:29 PM
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Swain technologies is by far my pick. Their reputation in the domestic market preceeds them. My nest project after I find a RX-7 is to build a 383 stroker for my Trans AM. It'll be a weekend /drag car all out, raw, unmitigated straight line acceleration. TO be abole to handle the heat, I'm having them ceramic coat my heads, pistons, everything. Its gonna be supercharged and use NOS. Hoping to see 700+ RWHP. Go with Swain, they are the best.
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