Grassroots Motorsports / Flyin Miata Turbo install party
#41
DEI liberal femininity
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Join Date: Jun 2005
Location: Fake Virginia
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We're going to send a copy to all of our customers, but you can request a copy by going to http://grassrootsmotorsports.com/try/fm256/ . If you put in the request by August 15th, you'll get the issue with the turbo install.
keith, dont send me one. i'm a subscriber. save a tree.
#42
At least I got the Berzerkeley running over the weekend.
#47
Elite Member
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A stainless steel exhaust that is new and unpolished doesn't look like it's been sitting in someone's backyard for a year.
As far as the exhaust temps Tim I think you have it backward. You would want to keep the heat in the pipe because higher temp air is lighter and therefor easier to move. So higher temp air aids in spooling over cooler heavier air. On paper anyway. Does it make a measurable difference? I don't know.
Quite often sarcastic but never grumpy. I'm a happy ************.
And Sam has been in my presence only once.
#52
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And higher velocity air means faster spinning impeller which means quicker spool.
"Performance Coatings offers high heat ceramic coatings capable of withstanding exhaust gas temperatures of 1300° F in our Chromex finish and over 2000° F in our Satin finishes. These coatings possess excellent thermal barrier characteristics, providing a dramatic reduction in radiated heat. This means reduced under-hood temperatures, accelerated exhaust gas velocity and a longer life expectancy for the entire exhaust system, not to mention their chemical and corrosion resistance."
"Performance Coatings offers high heat ceramic coatings capable of withstanding exhaust gas temperatures of 1300° F in our Chromex finish and over 2000° F in our Satin finishes. These coatings possess excellent thermal barrier characteristics, providing a dramatic reduction in radiated heat. This means reduced under-hood temperatures, accelerated exhaust gas velocity and a longer life expectancy for the entire exhaust system, not to mention their chemical and corrosion resistance."
#53
Amen!
It is a well known fact. Rally cars coat entire exhausts, from manifold to tip, main reason is too keep cabin temps down but soon realized it help spool and power.
Also, my neighbor who used to race stock cars or something else that goes in a circle, said they saw a 2-3 hp increase from coating their exhausts...now this is not much, but the benefits are obvious. Lower cabin temps, underhood temps, IAT's...I'd like to have those benefits.
It is a well known fact. Rally cars coat entire exhausts, from manifold to tip, main reason is too keep cabin temps down but soon realized it help spool and power.
Also, my neighbor who used to race stock cars or something else that goes in a circle, said they saw a 2-3 hp increase from coating their exhausts...now this is not much, but the benefits are obvious. Lower cabin temps, underhood temps, IAT's...I'd like to have those benefits.
#58
On the Berzerkeley... blame me for holding up that update, but it's up, and there will be another one in the morning: http://grassrootsmotorsports.com/pro...s/berzerkeley/
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