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Removal of the Rev Limiter

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Removal of the Rev Limiter

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Old 03-14-2014, 09:21 AM
  #11  
2005Redfire6
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^^^ OUCH!
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Old 03-14-2014, 10:02 AM
  #12  
Andy13186
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Why dont the new coyote engine have a neutral rev limiter? not needed?
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Old 03-14-2014, 10:03 AM
  #13  
tbear853
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Originally Posted by Tyler N Tkachuk View Post
... etc ... Main reason for this, is at shows, instead of stopping at 4k, it would sound better at 6k now that i have a different muffler on.
You really rev the engine at 4 or 6 K in neutral at car shows?




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Old 03-14-2014, 10:08 AM
  #14  
PNYXPRESS
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Originally Posted by Tyler N Tkachuk View Post
, it would sound better at 6k now that i have a different muffler on.
No, it wont.

even a v8 doesnt sound good free revving at 6k rpms
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Old 03-14-2014, 02:42 PM
  #15  
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Originally Posted by Norm Peterson View Post
You're into it for at least one head gasket no matter what else happens. But a gasket is such a small part of what you're in for that it's hardly worth mentioning.


If the valve is hung open far enough when it gets "kissed" . . . ↓↓↓







That bent valve stem in the first picture belonged where you see a "good" exhaust valve in the head section picture. Pieces of the missing valve head took out the missing stuff in the red circles on its way to wherever it ended up at. A few bits are embedded in the top of the piston


Water will pour into the cylinder, hydro-locking it (which bends rods) and the sudden quench will probably crack the cylinder wall in addition to the above damage.


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Thank you Norm for bringin' it home!
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