Single Turbo RX-7's Questions about all aspects of single turbo setups.

White turbine wheel. HIgh EGT's or normal for rotaries?

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Old 10-08-09 | 03:04 PM
  #26  
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Hopefully this helps. MY BNR turbo.

.
Attached Thumbnails White turbine wheel.   HIgh EGT's  or  normal for rotaries?-dsc00962.jpg  
Old 10-09-09 | 11:57 AM
  #27  
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^^ is that normal?
Old 10-09-09 | 04:14 PM
  #28  
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the Mazda factory says Premium fuel for turbocharged cars,,like 93 octane USA
Old 10-09-09 | 05:25 PM
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looks fine to me
Old 10-09-09 | 05:32 PM
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Thanks for the possitive feedback.

Everyones negativity has made me paraniod about my setup. IM trying to check my timing as we speak. But seems i cant figure it out.


But i will be using 93 from now on.
Old 10-10-09 | 02:43 PM
  #31  
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mine looks a little bit brown/beige 'ier, using 98oct and running around 11:1 at 0.8bar, it used to creep, now I ported the wastegate, now it can't keep the boost up, 0.8bar at 3-5k and 0.6bar at 7krpm guess exh manifold is cracked too hard, turbo is knightsports hybrid
Old 10-11-09 | 11:37 AM
  #32  
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HAd a hour long drift session. I didnt even check my timing yet. It was damn hot here in north florida. MY car didnt skip a beat. Im so proud of my baby.

Got my first 3rd gear manjis in=D WOOT!.
Old 10-11-09 | 12:17 PM
  #33  
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Jspec longblock still hold'in up for you I see....

How many miles have you put on it?

How many track day/drift events?
Old 10-11-09 | 01:13 PM
  #34  
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Its holding up like a champ.

Miles.. hmmm.. HArd to tell since my speedo nor odometer arent working
Around 2000-3000 miles or so.

about 5 private drift sessions and tons of spirited driving.
1 full track day = 14 laps in.
Old 10-12-09 | 12:09 AM
  #35  
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9 psi and 87 octane fuel and 10.3 af is exactly why it still runs. Their is no problems with this. All these people winging have no idea.

Just keep your timing conservative and keep fuel ratios under 10.50s, you can run up to 13-14psi of boost, have tuned plenty of cars and crap fuel. run rich and no timing and they go for ages.
Old 10-12-09 | 12:22 PM
  #36  
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more possitve feedback. =)
Old 10-12-09 | 12:45 PM
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Thumbs up

Originally Posted by rx72c
9 psi and 87 octane fuel and 10.3 af is exactly why it still runs. Their is no problems with this. All these people winging have no idea.

Just keep your timing conservative and keep fuel ratios under 10.50s, you can run up to 13-14psi of boost, have tuned plenty of cars and crap fuel. run rich and no timing and they go for ages.
He can't control his timing unless you mean rotating the CAS, which affects the the timing at ALL RPMs and LOADs. He can't really adjust his AFR's on a STOCK ECU. He just threw in some 720's, BNR 3/4 hybrid called it a day. No Disrespect to either of you, If it works, Thats great.

I Would NOT Run My Car That Way. Not enough engine control/management.

Best of luck, Rotary Power!
Old 10-12-09 | 01:21 PM
  #38  
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WHen i had my BNR installed it never saw past 7-8 psi.
I never turn my boost up. I mean NEVER!.

Now i am on the stock turbo cause i never put the BNR back after the event.
BUt the stock turbo is also not boosted except for the creep it sees on 3rd + gears.
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