because it will make it climb. You can trim it out, however, it will try to pitch up and down only if is actually tail heavy.

The main reason is there is no offset on the engine 3 !/2 deg down for thrust and 3 1/2 deg right for "p-factor" p-factor is the paddle wheel a
effect the prop has due to the relative wind caused by a high angle of attack.It makes the aircrasft roll left when power is added.

does that help?