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Old 01-09-2009, 02:11 PM
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laulongfei
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Rotary Extrem

Hi everyone I got a good news, I just talk to Ben in rotary extreme and he is going to help me install turbo for me and tune it for me. He will help me bring the most potential out of my 4-port AT. We are planning bring out the most HP and yet safe for daily driving. I am really excite that Ben is so nice and willing to help me the best he can.
Old 01-09-2009, 02:28 PM
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what turbo?
Old 01-09-2009, 02:48 PM
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Originally Posted by nuke0907
what turbo?
greddy, but he suggest that i should buy from MM with the greddy upgrade kit. which most likely what i am going to do.
Old 01-09-2009, 02:53 PM
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thats my plan, but i'm going to use the stock greddy turbo first.
Old 01-09-2009, 03:08 PM
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sooo much tuning.. sooo little time
Old 01-09-2009, 03:10 PM
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Originally Posted by heyarnold69
sooo much tuning.. sooo little time
to him its a really easy job
Old 01-09-2009, 07:42 PM
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Originally Posted by dhan
How much would the total cost be? And also are you going to get a BOV for an auto? i wonder how that works. Only hear it in tiptronic mode? Im planning on supercharging or turboing but i dont know the price range with tune and labor and all
Really? A Blow-off valve works by pressure differentials, not transmissions
Old 01-09-2009, 08:09 PM
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Old 01-09-2009, 11:29 PM
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i gonna take me car to paul at rotorsport. ^_^ i'll give em a call tomorrow at rotary extreme.
Old 01-10-2009, 06:29 PM
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Originally Posted by dhan
anyone found out about the pricing? How much labor is etc?
well I have to provide all the parts and things like that, since there is no shop anymore because Chuck went back to Taiwan to do personal things. But Ben outrageously charge me only $400 for labor plus shop rental because he is really nice and really cool with me. There is no shop i know charge that price, anywhere is around 800-1000. but the parts including the turbo you are looking about roughly 5500 dollar, Turbo, gauges, pods, boost controller. engine gasket. did I miss anything else?

Last edited by laulongfei; 01-10-2009 at 06:37 PM.
Old 01-11-2009, 11:00 AM
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Originally Posted by dhan
Thanks for the info! now i know where i am looking into when i decide to go fi. I always wanted to know how much labor fee would be etc. Not too bad ay?
you also have to buy Cobb from MM, Yeah when you have all the parts and ready to install. Then you can talk to Ben for it. even though he charge fof cheap price but when I get all m parts, I will pay more then the price he offer just because he is cool and he know the stuff. I rather pay more to the people who know things and I would say Ben are one of the best in the Bay
Old 01-11-2009, 01:18 PM
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Originally Posted by laulongfei
you also have to buy Cobb from MM, Yeah when you have all the parts and ready to install. Then you can talk to Ben for it. even though he charge fof cheap price but when I get all m parts, I will pay more then the price he offer just because he is cool and he know the stuff. I rather pay more to the people who know things and I would say Ben are one of the best in the Bay
what is his phone number laulongfei? pm me plzzzz
Old 01-15-2009, 01:10 PM
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I'm going to throw this wrench into the mix.
For us 4 port owners AT/MT The 3071r that MM supplys dosent reach it peak efficency until after 7500 rpm.

Just a thought.


However I agree it's a much better turbo than the Mitsu snail that the Greddy kit uses. The greddy kit was built on a 4 port motor btw.

Originally Posted by chickenwafer
Really? A Blow-off valve works by pressure differentials, not transmissions
No it dosen't. It only works on M/Ts and you know that.
Old 01-15-2009, 01:56 PM
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[QUOTE=09Factor;2818242]I'm going to throw this wrench into the mix.
For us 4 port owners AT/MT The 3071r that MM supplys dosent reach it peak efficency until after 7500 rpm.

Just a thought.


However I agree it's a much better turbo than the Mitsu snail that the Greddy kit uses. The greddy kit was built on a 4 port motor btw.

Are you saying that Mitsu snail haha, give more torque than 3071R under 7500 rpm? Is it because its a bigger turbine? what makes you think that? What I really want is Torque on lower rpm. I think it produce peak torque around 5000rpm.
I dont really care about high rpm. since our trans aren't made for that high speed turning. But it can hold above 300BHP(RE-Amemyia said it.) But the problem he said is that You have to manually shift if you are running high HP and each time you shift, let go the gas pedal and wait couple second before shift to next gear or down gear, so that the band will not slip.

Last edited by laulongfei; 01-15-2009 at 02:00 PM.
Old 01-15-2009, 02:13 PM
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what is 300bhp=???hp, none of us have reach that high, so I will be the first lab rat. hehe But another concern is that 4 speed will reach high rpm so fast since its not 6speed. if my tran broke during the test(knock on wood), i just sent it to Level 10 and have them beef it up.
Old 01-15-2009, 11:31 PM
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Originally Posted by laulongfei
Are you saying that Mitsu snail haha, give more torque than 3071R under 7500 rpm? Is it because its a bigger turbine? what makes you think that? What I really want is Torque on lower rpm. I think it produce peak torque around 5000rpm.
I dont really care about high rpm. since our trans aren't made for that high speed turning.
I'm not saying that at all. The peak efficiency of the Greddy turbo is under the mazda imposed rev limit of 7500 to 8k rpm. It craps out around this range.

The Garrett 3071r's efficiency is at the nearer to the 9k rpm range.
look at the following post by MM.
https://www.rx8club.com/showpost.php...9&postcount=81

if anything the Garrett will make more tq at any given boost psi because it flows more air per psi.

All i was trying to point out is that the Garrett doesn't get used to it full potential on our 4 ports at the 7500 rpm limit.

But it can hold above 300BHP(RE-Amemyia said it.) But the problem he said is that You have to manually shift if you are running high HP and each time you shift, let go the gas pedal and wait couple second before shift to next gear or down gear, so that the band will not slip.
Amemyia-san is wise young padawan.
Old 01-15-2009, 11:49 PM
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Cool, thx 09 factor, that is another very educational lesson.
Did the turbo makes a big difference from NA to 5psi turbo, interns response of the power and overall performance.
I want to get an idea how my will feel when my get my turbo install.
Old 01-16-2009, 08:57 AM
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It did make a differance, but it's more "feelable" @ 9psi.
Old 01-16-2009, 12:06 PM
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Originally Posted by 09Factor
No it dosen't. It only works on M/Ts and you know that.
Damn, I've been living in a cave my whole life!!
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