0
votes
2answers
57 views

RPM jumps up & back down at 40mph

My question is for a 2006 Dodge Magnum, 2.7 liter engine. Just over the past month or so, I noticed when I'm cruisung, just coming from a dead stop, when I'm at 40 mph my car kinda feels like it ...
1
vote
1answer
43 views

High RPM and engine heating on 2001 Subaru Legacy

I have a 2001 Subaru Legacy L station wagon with 143k miles. I do not know when the timing belt was done, or when the spark plugs were replaces last. I only know that the brakes, tires, and one of the ...
1
vote
0answers
20 views

Does “slogging” an engine (open throttle at very low RPM) increase mechanical wear? [duplicate]

When I was taught to drive, I was told that "slogging" the engine - open throttle at low RPM, e.g. 1000 RPM - was bad for it. Particularly when driving up a hill as that means you'll be stuck at that ...
2
votes
4answers
557 views

Is starting idle RPM always lower in colder temperatures?

I've noticed that my 2008 Jetta 2.5L 5W40 generally starts up with an idle RPM of at most 1.2K RPM around the freezing temperature (say when the temp sensor reads 33°F), or even at just about 1K ...
3
votes
3answers
1k views

Engine power specification at different rpm?

Car companies advertise power of an engine at different rpms. Car 1: 80 PS at 6000 rpm Car 2: 85 PS at 6500 rpm What does the power at different rpm mean? Does it mean Car 1 has better power than ...
2
votes
4answers
1k views

What modifications need to be made to an engine to enable higher safe RPMs?

I first had this question while playing a racing game - it was a touring race with BMW 320i's, and I noticed that I could rev up to 8,500 RPM before shifting gears. Now my car (an older 320i), ...