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9krpmrx8's Boost Build Thread

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Old 05-29-2013, 11:53 AM
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If my engine sounds like it uprevs mid boost is that my clutch slipping? It only does it when max boost for a split second but I hear and feel it.
Old 05-29-2013, 12:07 PM
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Originally Posted by 9krpmrx8
If my engine sounds like it uprevs mid boost is that my clutch slipping? It only does it when max boost for a split second but I hear and feel it.
Best way to test clutch slipping is to go WOT in 4th as it is a nice tall gear (actually i think 1:1). rpms should go up linear with speed. Thats the way some of my gearhead buddies test out their scoobies to see if their clutches are slipping under high boost.
Old 05-29-2013, 12:56 PM
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I will have to find a long road,
Old 05-29-2013, 01:14 PM
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yeah it could be the start of slipping, it will get worse if that is the case.

my car did this with the stock clutch and boost, it was really noticble above 6k rpms
and undeniable if I hit boost on the freeway in 5th gear

I replaced the clutch, with the excedy mazdaspeed version I think, haven't had any issues
Old 05-29-2013, 01:22 PM
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Originally Posted by 9krpmrx8
I will have to find a long road,
Lol highway??

And also, smell is not a good indicator of a slipping clutch... just incase you are sniffing around and not smelling anything.
Old 05-29-2013, 01:23 PM
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Well, it's a good thing I am putting in an S2 trans soon I need to pick a clutch setup I guess.
Old 05-29-2013, 01:27 PM
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Blame all that engine braking.
Old 05-29-2013, 01:29 PM
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Originally Posted by paimon.soror
Lol highway??

And also, smell is not a good indicator of a slipping clutch... just incase you are sniffing around and not smelling anything.
I don't smell anything, it only does it for a split second at max boostage. Other than that is drives great. But I am still getting the scenario where boost only goes to 5psi or so and holds but I as soon as I let off the throttle and go again boost is back to normal. I am pretty sure that is my waste gate actuator but I will have a new one on soon and we shall see.
Old 05-29-2013, 01:31 PM
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Originally Posted by paimon.soror
Lol highway??

And also, smell is not a good indicator of a slipping clutch... just incase you are sniffing around and not smelling anything.
His car smells mostly like burning carpet.
Old 05-29-2013, 01:32 PM
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Ah, I love the smell of burning carpet.
Old 05-29-2013, 06:03 PM
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it may be in your thread but i can't find it....what side skirts are you running? they look awesome!
Old 05-29-2013, 11:00 PM
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I got my KMA tray back from Jet Hot. They did excellent work Satin silver on the tray and satin black on the Canton reservoir It's can withstand temps of 1300F. The bolts were just used for mock up, I will get proper hardware for the setup soon.

http://www.flickr.com/photos/9krpmrx8/8886457820/http://www.flickr.com/photos/9krpmrx8/8885828993/http://www.flickr.com/photos/9krpmrx8/8885820507/

Last edited by 9krpmrx8; 05-29-2013 at 11:05 PM.
Old 05-29-2013, 11:18 PM
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Yummy.
Old 05-30-2013, 09:23 AM
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They did a great job, I hate to think of it getting dirty though,
Old 05-30-2013, 09:36 AM
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I need to come pick that thing up
Old 05-30-2013, 09:37 AM
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You better hurry,
Old 05-30-2013, 09:48 AM
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im ready to install tha bad boy~!
Old 05-30-2013, 10:07 AM
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Originally Posted by 40thanniversaryrx8
it may be in your thread but i can't find it....what side skirts are you running? they look awesome!
I think they are "burn out" side skirts

I always thought they sat to low for a mazdaspeed bumper but his sig picture looks great!
Old 05-30-2013, 10:10 AM
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They are actually coming off, the Mazdaspeed sides are going on I ran out of time last weekend to get them on.
Old 05-30-2013, 10:11 AM
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It doesn't matter. Those skirts and old front bumper are coming this way.





Unless it costs too much.
Old 05-31-2013, 04:19 AM
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That tray is a thing of beauty, how thick is it?

Someone could make a good amount of money selling those.
Old 05-31-2013, 12:05 PM
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I worry about flow through the radiator,
I would want something with louvers
Old 05-31-2013, 01:24 PM
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^ Well that would completely defeat the purpose of it
Old 05-31-2013, 01:44 PM
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I thought the purpose was the make the engine bay look clean?
Old 05-31-2013, 02:11 PM
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Originally Posted by Carbon8
That tray is a thing of beauty, how thick is it?

Someone could make a good amount of money selling those.

I would say 1/8" maybe.


Originally Posted by FazdaRX_8
I worry about flow through the radiator,
I would want something with louvers
Originally Posted by FazdaRX_8
I thought the purpose was the make the engine bay look clean?
You don't want flow thru the radiator into the engine bay directly on the intake piping and my FAL fan setup makes it worse in traffic at low speeds because it's pulling so much air. It raises intake air temps significantly. Technically is also affects aero dynamics but that is not the reason I got it, and had a heat barrier put on it. I did it to help decrease intake temps. I will be redoing the Greddy inlet compressor pipe as well and I will have it and the cold side charge pipes coated at Jet Hot as well.

It may all be for nothing, but we will be doing some tests so we shall see.

Last edited by 9krpmrx8; 05-31-2013 at 02:17 PM.


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