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Brettus turbo 11

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Old 12-20-2013, 04:43 PM
  #801  
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Originally Posted by firecran
Ahhhh that's cute!


Post up when your running so real boost
running 18-19 psi now , by 4600rpm.

Runs smooth as stock , getting better mpg than stock , somewhere north of 350whp

How do ya like dem apples?
Last edited by Brettus; 12-20-2013 at 05:01 PM.
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Old 12-20-2013, 05:19 PM
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Hi Brett

Sounds pretty good to me, I will look forward to having a ride in that beast sometime again soon.

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Old 12-20-2013, 05:25 PM
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Brett you're the man. I love vicariously through you, fazda, and damn I can't remember his name but he uses an old PTP KIT...anyways keep up the good work. I remember when everyone claimed the greddy kit to be crap.

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Old 12-20-2013, 05:25 PM
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is it holding that Much boost to Redline?

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Old 12-20-2013, 05:26 PM
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Originally Posted by yomomspimp06
Brett you're the man. I love vicariously through you
Lol
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Old 12-20-2013, 05:36 PM
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haha live*
damn autocorrect....(wink wink)

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Old 12-20-2013, 05:45 PM
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Originally Posted by yomomspimp06
is it holding that Much boost to Redline?
Not far off it .. 16- 17 at 7500 . Peak is the same as before - mid-range is higher


Originally Posted by yomomspimp06
I remember when everyone claimed the greddy kit to be crap.
Without significant modification ... it is really . But it shouldn't be underrated as a good place to start.
Last edited by Brettus; 12-20-2013 at 05:50 PM.
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Old 12-20-2013, 05:53 PM
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DYNO, DYNO

lol

g/sec???
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Old 12-20-2013, 05:56 PM
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Brett are you basing your figures off the virtual dyno stuff?
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Old 12-20-2013, 06:00 PM
  #810  
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Nice to see that the renesis can handle such boost. What upgrades have you done to the engine to cope with such boost. I assume blowby will be a big issue unless you are running race spec seals precision built with very tight tolerances.
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Old 12-20-2013, 06:09 PM
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Originally Posted by 9krpmrx8
Brett are you basing your figures off the virtual dyno stuff?
That plus the increase in g/s since my last (362whp) dyno . On that dyno g/s was approx same as whp but dyno was optimistic by 35-40whp.
G/s are now up 40-50 on what I had on dyno day (to 410-420)

350 is being conservative IMO
Last edited by Brettus; 12-20-2013 at 06:15 PM.
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Old 12-20-2013, 06:19 PM
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Originally Posted by skc
Nice to see that the renesis can handle such boost. What upgrades have you done to the engine to cope with such boost.
https://www.rx8club.com/series-i-maj...4/#post4403025


Originally Posted by skc
I assume blowby will be a big issue unless you are running race spec seals precision built with very tight tolerances.
Blowby may have been contributing to the excessive oil I was getting in my catch can as discussed earlier in the thread . These days I run oil at 1/2 way up the dipstick and have not seen the problem again . The thing to remember is that I have not driven it on the track like this . If I did ....... I would expect to have major issues .......
Last edited by Brettus; 12-20-2013 at 06:27 PM.
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Old 12-21-2013, 05:54 AM
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Yess yess.....very good.
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Old 12-21-2013, 06:08 AM
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Originally Posted by Brettus
running 18-19 psi now , by 4600rpm.

Runs smooth as stock , getting better mpg than stock , somewhere north of 350whp

How do ya like dem apples?
Congrats :D. I think you should resist the urge to push it anymore though.

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Old 12-21-2013, 01:07 PM
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Great progress Brett!!!! No knock at that boost? What ignition are you running? At 15psi I was starting to get misfires.
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Old 12-21-2013, 01:10 PM
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Originally Posted by yomomspimp06
I can't remember his name but he uses an old PTP KIT...
Who else is running a PTP kit?
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Old 12-21-2013, 02:50 PM
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Originally Posted by thewird
Congrats :D. I think you should resist the urge to push it anymore though.

thewird
The whole idea of the W/M was to enable me to push it as far as it would go, wasn't it ? . According to the flow chart , It's still within the capabilities of the compressor......
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Old 12-21-2013, 02:53 PM
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Wasn't talking about the turbo . I wouldn't push those 10:1 rotors beyond 20 psi even with water/meth. Add some race fuel in there and thats another story

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Old 12-21-2013, 02:56 PM
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Originally Posted by slash128
Great progress Brett!!!! No knock at that boost? What ignition are you running? At 15psi I was starting to get misfires.
no knock . I'm running D585 coils .

What is interesting to me is how much load (vs mine) you were making at lower psi than what I'm running .
Is my turbo/pipework THAT much less efficient ?
Is there an anomaly in your maf scaling/maf setup ?
What will be the difference on the road ...VD isn't showing me a lot?
Last edited by Brettus; 12-21-2013 at 03:21 PM.
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Old 12-21-2013, 03:05 PM
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Originally Posted by thewird
Wasn't talking about the turbo . I wouldn't push those 10:1 rotors beyond 20 psi even with water/meth. Add some race fuel in there and thats another story

thewird
Got ya . I doubt that this turbo would go to 20 at peak rpm anyway.
Last edited by Brettus; 12-21-2013 at 03:53 PM.
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Old 12-21-2013, 04:30 PM
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I meant you slash I was posting from my phone and couldnt remember your forum name

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Old 12-21-2013, 05:21 PM
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Originally Posted by yomomspimp06
I meant you slash I was posting from my phone and couldnt remember your forum name

sent from my droid DNA while gettin jiggy with your mom...big ***** style
If you're gonna love vicariously through me at least remember my name haha
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Old 12-21-2013, 05:25 PM
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Originally Posted by Brettus
no knock . I'm running D585 coils .

What is interesting to me is how much load (vs mine) you were making at lower psi than what I'm running .
Is my turbo/pipework THAT much less efficient ?
Is there an anomaly in your maf scaling/maf setup ?
What will be the difference on the road ...VD isn't showing me a lot?
I will post up details on my MAF and pipes soon. In short I am running stock intake diameter for the MAF pipe all the way until it hits the compressor where it increases up to 4". MAF curve in ATR is stock to the original stock end, then extrapolated out to 5V.
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Old 12-21-2013, 05:43 PM
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10:1 rotors don't matter.... while I rarely draw on on piston counterparts ad examples but there are plenty of guys running 10.5:1 compression running upwards of 30psi on piston engines. the weak point is seals and tuning for us in my opinion. both of which Brett has addressed

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Old 12-21-2013, 06:00 PM
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Originally Posted by yomomspimp06
10:1 rotors don't matter.... while I rarely draw on on piston counterparts ad examples but there are plenty of guys running 10.5:1 compression running upwards of 30psi on piston engines. the weak point is seals and tuning for us in my opinion. both of which Brett has addressed

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Comparing piston compression to rotary compression is like comparing an apple and a piece of metal.

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