Cam-
This is a big problem for most. Picking a Cam off an idle video or the highest internet numbers is definitely the wrong way to choose.
A lot of factors when picking a Cam.
1- Auto or manual tranny
2- gears
3- heads/intake/exhaust setup
4- what is the car being used for
5- how much drivability are you willing to give up.- This is opinion since everybody has a different standard of how they drive.
Most street cams want a strong midrange torque curve with a shift point of 6500rpm or so. These cams can be an easy daily driving type of cam.
People with 4.11+ gears M6 or 4000 stall A4 might prefer a bigger cam which put's the power curve to 4500-7000rpm. This will pull up top most but most of the time are harder to drive daily due to crap idle.
A few basics.
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