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Help deciphering over revs on CGT:

Old Sep 17, 2009 | 07:08 PM
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Help deciphering over revs on CGT:

upper range: 825 (stage 2)
lower range: 7551 (stage 1)

good/bad/indifferent?

clutch: 29.5mm
 
Old Sep 18, 2009 | 03:53 PM
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Kuzi, Jamie , Jas, Jaber? I don't have the answer and would love ot help out a new member ^^
 
Old Sep 18, 2009 | 05:04 PM
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Usually, overrevs are described as Type 1 and Type 2:

Type 1 - you hit the rev limiter accelerating in-gear.
Type 2 - you downshifted too soon, and mechanically forced the engine past the redline.

Type 1 overrevs are no problem. That's why you have a rev limiter. Too many of them would raise the question of how hard the car was driven, and how competent the previous owner was, but a Type 1 overrev won't damage the engine.

Type 2 overrevs are bad news. These engines typically don't have a huge amount of slack for going past redline, and if a too-early downshift forces the engine to spin too fast, it can definitely cause damage.

If Stage 1 and 2 correspond to Type 1 and 2, then this car would appear to have been driven hard and incompetently.
 
Old Sep 18, 2009 | 05:18 PM
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i got the answer. the type 1s no big deal, just on the way to rev limiter. the 825 stage 2 also no bog deal....corresponds to being at that level for a few seconds...a number in the tens of thousands would be bad.

deal sealed.
 
Old Sep 18, 2009 | 05:44 PM
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Ricky was this for a PPI on a CGT you decided on ?
 
Old Sep 18, 2009 | 05:58 PM
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Yup
 
Old Sep 18, 2009 | 06:05 PM
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Rock on! It's kind of a tradition around here to post delivery pictures when it arrives. I think ATL was the most recent set if I recall correctly.

Congratulations.
 
Old Sep 18, 2009 | 06:05 PM
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A few seconds at an RPM above redline seems significant, no??
Regardless, congrats on the purchase!!

Specs/pictures??
 
Old Sep 18, 2009 | 06:30 PM
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congrats and enjoy
 
Old Sep 18, 2009 | 06:32 PM
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Originally Posted by wyatth
A few seconds at an RPM above redline seems significant, no??
Regardless, congrats on the purchase!!

Specs/pictures??

its a misshift. the event happened 50% of the cars life hours ago. if that made any sense

ive had 3 porsche dealers look at the report...they all said its insignificant.
 

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