What RPM is your truck supposed to idle at?
about 600-800 rpm
Typically, engines idle at about 600-800 rpm. Older engines may go up to 1200 rpm or more while warming up. But if the engine is revving up while idling, even after it’s sufficiently warmed up, you might have a problem. High idle speeds waste fuel, cause extra wear and tear on your engine, and can be unsafe as well.
What is a normal idle level?
In most of today’s cars, an idle speed of 600 to 1000 RPMs is average. If your car is idling rough, though, it won’t feel smooth. The RPMs will jump up and down, for example, or they’ll fall below 600 RPM (or whatever is typical for your vehicle).
What RPM should a 2002 Silverado idle at?
Typically, the idle speed will be set at a value in the range of 600 to 800 RPM, but the exact value will depend on the number of engine cylinders and whether the vehicle is equipped with a manual or automatic transmission.
What RPM should a Chevy 350 idle at?
350/TH350, 700 RPM in Park, 550 in Drive. The 350 has a Comp 12-300-4 cam, which is a torquey cam, and that’s with 16* BTDC base timing and a stock HEI.
What is a high idle?
High idle levels (or rough idling) occurs when the engine is revving too fast when it is in park/neutral. The car may be louder than normal, or you may feel shaking (in more severe cases). If this idle control valve is not able to function correctly, your idle speed will significantly increase (or decrease).
What should my rpms be at 70 mph?
Make sure your OD is on, 3000 seems fine for 70. The motor needs to work harder if you go fast.
Is 500 rpm idle bad?
Is 500 rpm idle bad? In most of today’s cars, an idle speed of 600 to 1000 RPMs is average. If your car is idling rough, though, it won’t feel smooth. Rough idle is easy to detect when you start your vehicle, and it may be dependent on the engine temperature when you start your car.
What should timing be at idle SBC?
Depending on your cylinder heads, compression ratio, camshaft, and centrifugal advance curve in the distributor, “normal” base timing for a street high-perf small-block Chevy is somewhere in the 12- to 18-degree before top dead center (BTDC) range, with total timing at full centrifugal advance about 34 to 36 degrees …