Guys - help me understand this report but judging by the ranges 4-6 I should be walking right?

Range 1 43910 581.000hrs

Range 2 7027 579.100hrs

Range 3 934 349.800hrs

Range 4 236 129.700hrs

Range 5 156 129.700hrs

Range 6 0 0.000hrs

 

Looks like a missed shift 12 to 13 thousand miles ago. Since it happened a while back, probably OK but you'll have to determine if you want he risk.

 

I would not be comfortable with anything in Range 5. I am not expert, but I made sure when I bought range 4 and 5 were clear, actually my range 3 was clear.

 

The car only has 18,019 miles on it...so its really attractive considering the deal I'm getting (less than $46k...)

The Porsche dealer whom I just had the car inspected at said the range 5 is a huge concern as the car was over revved 26 times (156/6 cylinders = 26 times or is that seconds?). Porsche would never warranty this engine for that very fact.

Any other comments or concerns guys?

 

Looks like a heavily tracked car or perhaps someone who doesn't know how to down shift. Range 4-6 will void any remaining engine warranty with PCNA. Range 5 hits supposedly indicates that engine damage is likely... it's about $25K to replace the engine so is the "deal" close to a $20K-$25K less than a clean car of the same type. Without further background I would say walk on this one. GL with the search for a clean car... they are out there. One of my colleagues just purchased an '10 C2S with only 47 ignitions in Range 1 last week.

 

It looks like one pretty bad money shift, but also, based on the total number of ignitions, the PO had a total of a minute at the redline. To me, that means someone that regularly went to the redline, not a car I would want to buy.

 

oh my....pass.

 

So what would be a practical example of a range 1 or 2? My car has only 1 and 2s and these seem fairly even in hrs.

 

At 7,200 rpm, there are 360 ignitions per second. Hence, the engine was in Range 4 for about 236/360 = 0.65 sec and range 5 for about 156/360 = 0.43 sec. Agreed that Porsche may deny warranty so buyer beware. Dave

 

Never mind. I understand now. In range 1 for example, this car has been at the rev limiter for over two minutes of its life. Don't think I've ever bounced off the limiter.

Bought my car with the following DME scan

Range 1 333 334hrs
Range 2 40 216hrs
Zero 3-6

Curious what range 1 always has the highest hours?

 

Is it CPO? What year, what config? After market warranties might be problem if you should choose to go with one as I have heard that on IMS an other failure they do check on DME reports/Tracked cars. If that's not a concern and you plan to pay out any problems that surface, get it and drive it like you stole it!

 

That's an excellent report... car was babied.

 

How do you translate hours into miles? In theory engine could idle for all the hours reported and therefore it will be 0 miles, no?

 

I was reading and worried about DME readouts for a while. That was back then. Then I talked to my dealer and the service manager told me that there is nothing to worry about if nothing substantial in ranges 5 and 6 and the car is running normal. My car is running like new and has 37K miles or so on it. I do have 24 ignitions in rev 4 (but nothing above) which happened about 400+ hours ago. 24 ignitions is 0.067s or 67ms. I do not even understand how this short rev time in this range could possibly happen. Seems too short for any type of forced overrev. Although overrevs could be and are indeed disastrous in some cases, the readouts similar to mine is something which with engine running normal for thousands of miles after are of no importance. It does not bother me a bit anymore. I feel like often time the importance of those DME readouts are greatly exaggerated. Those reports are just one and perhaps not the biggest aspect of inspecting the car. Good ear and knowledge of the feel and operation of a normal engine is more important.

 

At 216 hrs of operation, your's had range 1 & 2 over revs and both would have been reported if the test were run at, say, 217 hrs. At 334 hrs, your's had range 1 but not range 2 over revs. Remember, only the most recent over rev incident is reported. Simple, no? dave