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DME over-rev log

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Old Feb 24, 2013 | 05:34 PM
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A Durametric tool will also produce a Rev limit report. They start at ~$275. It may be worth it to get one if you plan on doing your own oil changes and other DIY service items as the tool will allow you to reset the car's service date.
Last edited by USMC_DS1; Feb 24, 2013 at 06:07 PM.
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Old Feb 24, 2013 | 05:57 PM
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Originally Posted by PHX 911
I thought there were 6 per revolution. Each cylinder fires once.
?
I don't think all 6 cylinders can fire at the same time.
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Old Feb 24, 2013 | 06:04 PM
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Originally Posted by jhbrennan
Well they didn't describe it exactly right...the report looks good if that's the kind of car you're looking for.
Thanx for clarification. When I had this discussion with them, I was working and didn't have time for deep discussion. What I was looking for was really simple: "was this car taken care of or abused?".

I did purchase the car and am pretty impressed at how well it was treated. It was what I wanted.

Thanx again,

Bruce in Philly
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Old Feb 24, 2013 | 06:08 PM
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Originally Posted by jhbrennan
I don't think all 6 cylinders can fire at the same time.
I don't think even 3 could The question is do they fire once each per shaft revolution? I guess so
Last edited by Papa Fittig; Feb 24, 2013 at 11:56 PM.
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Old Feb 24, 2013 | 06:25 PM
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Originally Posted by Papa Fittig
I don't think even 3 could The question is do they fire once each per shaft revolution? I guess so
Don't forget it's a 4 stroke engine - see post 8 in this thread. It's been covered previously in too many posts to link. If all 6 cylinders fired every revolution (as suggested by one) you'd probably have a big explosion.

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Old Feb 24, 2013 | 11:50 PM
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Originally Posted by jhbrennan
Don't forget it's a 4 stroke engine - see post 8 in this thread. It's been covered previously in too many posts to link. If all 6 cylinders fired every revolution (as suggested by one) you'd probably have a big explosion.

https://rennlist.com/forums/showthre...ferrerid=39840
Yes, you are correct. 4 strokes require two rotations of the crank shaft for the whole 4-stroke cycle . And each power stroke begins 120 degrees after the previous one starts, so 3 strikes per revolution. My bad.
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Old Mar 5, 2013 | 02:05 PM
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The dealer I'm having a 2006 Carrera S PPI'd at is charging me $70 for the DME scan...if that helps.
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Old Mar 5, 2013 | 06:07 PM
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Originally Posted by CamsPorsche
The dealer I'm having a 2006 Carrera S PPI'd at is charging me $70 for the DME scan...if that helps.
What's the total cost of the PPI and what does it include? You're not having the selling dealer do the PPI are you?
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Old Mar 6, 2013 | 12:43 PM
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Originally Posted by jhbrennan
What's the total cost of the PPI and what does it include? You're not having the selling dealer do the PPI are you?
Nope...
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