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Quick redline question or three

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Old 02-21-2006 | 10:47 PM
  #26  
Nemesis8's Avatar
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Just getting the car above 7250 RPM should suffice. Thats when ALL the valves are wide open.
Old 02-21-2006 | 10:53 PM
  #27  
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From: Burls On
Originally Posted by Raptor2k
Twisty roads don't exist here
Be inventive! Empty parking lot, a few cones... friendly police!
Old 02-21-2006 | 11:44 PM
  #28  
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Originally Posted by Raptor2k
Twisty roads don't exist here
Your right, not very many safe twisties in the DFW metroplex but the Piney Woods of East Texas has some great hilly, banked F.M. Highways as does the Hill Country area as you get deeper into heart of Texas.

Both areas too far away for just some spirited driving but great when passing through....
Old 02-22-2006 | 12:06 AM
  #29  
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i like holding my rpm at 3500 at first gear for 5 seconds and then gun it. i swear you can feel all the power and i love it. especially the sound of rotary!
Old 02-22-2006 | 01:25 AM
  #30  
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From: Bellevue, WA
Originally Posted by StewC625
But the biggest therapeutic value is for the driver:

Bad day at work? <ZOOOOM! "Beep!">
Wife or girlfriend pissed off? <ZOOOOM! "Beep!">
Neighbor's dog get into your garbage again? <ZOOOOM! "Beep!">

etc ...
Granted, and believe me, this driver does get his therapeutic value out of the engine. But I don't *always* need the therapy, and moreover there's many times where the traffic around here just won't permit it. So I do try to *also* worry about doing it often enough to keep the engine happy.

God, I sound like I'm talking about sex in a relationship.
Old 02-24-2006 | 12:52 AM
  #31  
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From: Bellevue, WA
Originally Posted by ucfracerx8
3) Yes, as long as you get it over 6750 to get all the ports open should be good enough
Originally Posted by Nemesis8
Just getting the car above 7250 RPM should suffice. Thats when ALL the valves are wide open.
So I've been waiting for a fight to break out over these two conflicting bits of information, but so far it hasn't happened... So who's right? Is it 6750 or 7250?
Old 02-24-2006 | 04:47 AM
  #32  
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What's the difference? its only 500 rpm more or less. If 6750 yields all open ports, driving at 7250 yields the same result. Anyway just open your windows and rev, you can hear the ports open.
Old 02-24-2006 | 09:57 AM
  #33  
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For what it's worth, I have stripped many an old engine down, and carbon deposits have always been minimal, even in older OHV engines.

I think since the 60's when carbon build up was a bit of an issue, fuel technology, and indeed lubricants, have improved to a point Carbon is no longer a real world issue, especially in a high revving engine.

However, prolonged use around town, or in heavy traffic does lightly coat spark plugs, which are normally self cleaning, and a good blast will burn off any deposits within a few minutes of high temperature use.

A good brisk run every week or two is plenty to ensure the engine is given a chance to blow out any cobwebs. Revving the nuts out of it is NOT required.

Revving the nuts out of it, however, is simply good fun, and you need no excuse to do so whenever you feel like it....

Carry on chaps.....
Old 02-24-2006 | 10:17 AM
  #34  
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*Ahem*

We need a justification to redline it every day. Don't tell us it's not necessary anymore. If we don't believe it, how will the cops believe it when we're explaining what was going on back there.
Old 02-24-2006 | 11:08 AM
  #35  
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redline it on shifts from 1st to 2nd and 2nd to 3rd everytime (except when engine is cold and traffic permitting).

redlined it during break-in too - to get good combustion pressure and proper seating of the rotary equivalent of piston-seals.

Bodi
Old 02-24-2006 | 05:57 PM
  #36  
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does the AT's have different redline beeps?? My 8 MT beeps at 9500...
Old 02-24-2006 | 09:06 PM
  #37  
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Originally Posted by Ryan13b
Carbon build up is still very much an issue.

The rotor on the left is new, the right had 30k miles.

This was from a Renisis engine.


Where did you find these rx8's to pull the Rotors from??
Old 02-24-2006 | 09:40 PM
  #38  
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So what causes the one on the right to be this bad?
Old 02-24-2006 | 11:22 PM
  #39  
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The one on the right has been smoking since he was 14!
Old 02-24-2006 | 11:51 PM
  #40  
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From: Bellevue, WA
Originally Posted by marvin_rock
The one on the right has been smoking since he was 14!
Old 02-25-2006 | 02:33 AM
  #41  
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Originally Posted by marvin_rock
The one on the right has been smoking since he was 14!
Haha haha hahaha
Old 02-25-2006 | 02:52 AM
  #42  
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Was that rotor from a manual or auto?
Old 02-25-2006 | 02:57 AM
  #43  
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Originally Posted by Ryan13b
I steal cars and export their parts to mexico.
You too?
Old 02-25-2006 | 02:39 PM
  #44  
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From: rialto ca
hmm i was reader this post and u guys said your fuel cut is at 94 9500 rpm. for some reason my done cut out till 9800 9900 right before
Old 02-25-2006 | 04:22 PM
  #45  
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Originally Posted by Ryan13b
Eduardo? Is that you?
Si.
Old 02-27-2006 | 03:30 PM
  #46  
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everytime I redline my engine, a burning smell follows.

any ideas to what is wrong?
Old 02-27-2006 | 07:32 PM
  #47  
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Run Marvel Mystery Oil in your fuel, 4 ounces per 10 gallons, it helps lube a bit more and is really good at cleaning that kind of crud away.
Old 06-30-2009 | 09:34 PM
  #48  
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Originally Posted by prescriptionmazda
everytime I redline my engine, a burning smell follows.

any ideas to what is wrong?
yea me too and i hear like a knocking sound comming from the muffler???
Old 06-30-2009 | 11:26 PM
  #49  
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^revival?

knocking from the muffler or engine...if it's engien good change it's prob wrong octane fuel being used...as for the smell...have u or anyone spilled oil when filling it up with oil...that can def get a burning smell...what does it smell like oil,rubber,fuel,
Old 06-30-2009 | 11:36 PM
  #50  
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Originally Posted by 04RX8man
^revival?

knocking from the muffler or engine...if it's engien good change it's prob wrong octane fuel being used...as for the smell...have u or anyone spilled oil when filling it up with oil...that can def get a burning smell...what does it smell like oil,rubber,fuel,
its sounds like from the muffler... thats when im in nutral and revvv it 2 9000rpm just to here my beep but i havent even herd that my 04 8 ...... and the smell im not really sure it smells like oil and rubber...


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