what makes the cam have that lumpy sound? The overlap of the exhaust valve closing and intake valve opening causes the engine to be inefficient at low speed which results in the lumpy idle. The closer the Lobe Seperation Angle the more the overlap, the more duration the more (typically) the overlap.
Keeping this in view, what makes a cam sound lopey?
You can make a stock cam lope if you get the overlap big enough by tightening the LSA but you can have a cam lope with stock LSA if the duration of the lobes are large enough. Search “cam overlap” on the internet and read more about it.
Also question is, what is considered a mild cam?
An RV or towing camshaft, which is considered a mild performance or an economy cam, will often have a narrower LSA, between 112 and 114 degrees. Hot street camshafts usually have 110- to 112-degree LSA, while high performance and racing camshafts will often run between 105 and 108 degrees.
What makes a cam lope at idle?
Hotter aftermarket type cams have a lot because it aids high RPM breathing. It makes idling at normal idle RPM difficult, though, because the gases don’t know which way to go. So, you get unburned mixture going out the exhaust, exhaust fouling the intake charge, and the motor struggling to run at low RPM.
What does lobe separation do for a cam?
Typically, narrower lobe separation develops peak torque at lower rpm and widening the separation tends to build peak torque higher in the rpm range. Nitrous engines, which make plenty of power and torque, often run wide lobe separation angles to moderate cylinder pressures and temperatures.
What is a hotter cam?
The “Hot Cam”, as others posted, is a GM Performance Parts hydraulic roller cam that’s a popular replacement for the ZZ4 cam as it has more lift and duration. A “hot cam” can mean any cam that is bigger than stock.
Does adding a cam increase horsepower?
Does a camshaft increase horsepower? Yes, a camshaft adds 10 to 20 horsepower depending on the setup. To get the full potential of the high-performance camshaft, you’ll have to swap out additional components like the air intake, exhaust manifold, injectors, and valve heads.
Do you have to degree a cam?
Pit Stop with Marlan Davis: Degreeing a custom cam ensures its maximum performance, helps prevent piston-to-valve contact, and protects against assembly error. The bigger the cam, the more important this is.
What is a ghost camshaft?
If your 2015-2017 V6 Mustang does not produce the signature Ghost Cam sound after uploading the tune, this is a result of the strategy code. Ghost Cam tunes utilize the Mustang’s Twin Independent Variable Cam Timing (TiVCT) to make the engine sound and feel race-ready.