YO-EL

I know this stat is somewhat meaningless, but for those knowledgeable, can you speak on your perceived usage of these 2 cars,
of which I believe are lightly used, weekend/fair weather cars..
Thanks,,

Car A: Engine Hrs 108 Lifetime Revs 801
Car B: Engine Hrs 167 Lifetime Revs 1156

Marcho Polo

Car B has been running longer but car A has revved higher during its shorter life.

Did I get it right?

Jeff V.

I don't see how this can be a meaningful stat. Two cars could have the same hours, but wildly different lifetime revs if one of them spent most of its time on the highway in high gear while the other one was driven in the city in lower gears.

jimjimsC7

Car A has an average engine RPM of 1236 over 108 hours
Car B has an average engine RPM of 1154 over 167 hours

Now I'm curious to see what my average engine RPM is knowing how my car has been driven.

Bill Dearborn

Engine hours is obvious but Lifetime Revs is a little nebulous so I looked in the OM. Lifetime Revs is total engine revolutions divided by 10,000. So Car B's engine has made one complete rotation of the crankshaft 11,560,000 times for an average of 69,222 revolutions per hour or an average of 1153 revolutions per minute. Car A's engine has turned over 8,010,000 times for an average of 74,167 revolutions per hour or an average of 1236 revolutions per minute. From an average standpoint with car A turning 100 rpms more than Car B on average there isn't a lot of difference between them other than the number of operating hours.

Bill

Zymurgy

82 RPM difference - says nothing about perceived usage.

dork

I don't think there's any way to tell how the car was driven using RPM/HR calculations. I did mine (44,000 miles/999.7 hr) and my average is 1496rpm. My log says that at least 85% of my driving is freeway miles. Mostly chunked out in coast-to-coast driving sessions of 3hr spurts at ~70-80mph. (Blackstone says my wear indicators place me in the 42 percentile group... that 58% of all Corvette engines with like mileage show greater wear. Now they could be blowing sunshine up my asp, but I'm in agreement that 85% freeway driving at a theoretical "steady" speed has worn my engine less than the 'average'.)

The two examples average ~1200 rpm, but none of the 3 RPM calculations show any indication or tendency for each vehicle's use. There could be several HPDE or drag-race sessions hidden in any of the examples if the car was used as an "in-town" (non-freeway) daily driver.

Skid Row Joe

Old thread.......but what you want is an hour meter on the two. Also, average speed would be helpful as well. You're not going to get; "revs," anywhere, to the best of my knowledge. My 2006 Mercedes-Benz CDI turbocharged diesel sedan has an hourmeter, in it's DIC menu. Really bitchin'! 👍





​​​​​​​...

Zymurgy

You "knowledge" is wrong. Lifetime revs are readily available in the DIC, as is Engine Hours.

Skid Row Joe

That's fantastic. I'll have to look mine up. Thanks 👍