Over Revs Test Results - Page 1 - 911/Carrera GT - PistonHeads UK

I have an over revs test which shows no over revs in all 6 ranges however in the operating hours counter 1-6 the results are all 0.000h but the operating hours counter is 319.400h There are 13 misfire detection range 1 range 0 misfire detection 7 Does this look right? I was at least expecting something in range 1-3 and why are there no operating hours in the over speed ranges?

The operating hours would correspond with any overrev events. If there are no events...

Magic919 said: The operating hours would correspond with any overrev events. If there are no events... Thanks Magic919 I must admit I'm surprised how clear it is! I received it as a PDF on an email, there is no reference to time, date or registration to the vehicle is that also correct?

I've only ever read them myself using Durametric. In any case, it's just a single screen grab of many parts that are displayed, so sounds consistent.

LukeS said: Thanks Magic919 I must admit I'm surprised how clear it is! I received it as a PDF on an email, there is no reference to time, date or registration to the vehicle is that also correct? I think the chassis number should be on the print out, can't remember if the date is shown.

There should be a time for the over revs in range 1. Using the odometer divided by the engine run time, does this give a reasonable value for average miles per hour? By "reasonable" something around 30mph? A higher number could be a mainly highway car. A lower number means the car spends less time on the open highway. A real low number could be legitimate -- garage queen…. -- or signs of odometer tampering. Personally after hearing about, well, reading about, all the ways used cars can be misrepresented to a buyer I'd have to see enough of the over rev printout to assure myself it was from the car in question and taken very very recently.

The ave speed worked out at 40.40 mph which is sort of average from what I have been able to read. The cars exterior and interior is spotless and the history checks out but I know what you mean regarding misrepresenting. Do you really know how a cars been driven? Personally I would feel better if there was proof the printout had the reg or something to link it to the car.

You could have people you'd trust check the car.

No!! 40mph is way to high! Mr Demon only averaged 30mph when he spent all his time on the motorway. Sounds fine Luke although as mentioned chassis number is stated on screen too, WPO......... If in doubt get an expert involved.

FWIW my 997.1 GT3 had zero rev ranges recorded in all rev ranges when I had an OPC inspection before I bought it. There is no guarantee with these things but a rev range check and confirmation from an OPC is probably as good as you will get (it also means that you are eligible for a warranty too)

marky911 said: No!! 40mph is way to high! Mr Demon only averaged 30mph when he spent all his time on the motorway. Sounds fine Luke although as mentioned chassis number is stated on screen too, WPO......... If in doubt get an expert involved. I had a 997 with a lifetime average of 55mph, all documented and correct, although admittedly on the high side for a UK car. It was a great car of course, having done a lot less actual work than the number on the odometer would suggest to most buyers. I agree with wanting a report showing the VIN and time/date though.

Yep that is quite high Marcus but as you say the car checked out in all other areas so all was well. I was just jesting about 40 being high. My own car has averaged 38mph over its life. Mr D always pops onto these threads though and says his cars have averaged 28 or 33 mph or something. Any car with a higher average is automatically a thrashed dog and must have loads of rev range recordings. I still don't get his link between mph and rev ranges though. I know of tracked cars with hardly any values recorded and road cars with loads. (And vice versa obviously).

Mine has averaged 45mph in the 3 years I've had it ;-)

I was given a rental Astra when my M3 spun a bearing - it showed an average speed of 83mph over a 1500mile euro trip (incl Sat/Sun tourist laps at Ring and full day at SPA on the Monday).

mikem7709 said: I was given a rental Astra when my M3 spun a bearing - it showed an average speed of 83mph over a 1500mile euro trip (incl Sat/Sun tourist laps at Ring and full day at SPA on the Monday).

Just to add if the cars a tip then it's highly likely to have no overrevs at all.