Why does a 4.3 engine flywheel it so heavy?

[tayznild]

What happen if i make it lighter?

 

[Don S]

Re: Why does a 4.3 engine flywheel it so heavy?

They are supposed to be heavy.

 

[vfrkent]

Re: Why does a 4.3 engine flywheel it so heavy?

It helps dampen harmonic vibrations before they get to the drive unit, decreasing the weight increases wear on the drive unit.

Regards,
Kent