Quote:
Originally Posted by shdw  I have been under the impression that the intake manifold is what limits the difference in MP/RPM because it isn't made as strong as things like the cylinders. |
The stress on the intake manifold is highest a
IDLE, not full power.
Think of your intake manifold like a straw. Sucking in with nothing blocking the end prdouces no stress, block the end with your finger (or a throttle vlave) causes it to collapse.