Daydreaming .... sort of

[Plymouthy Adams]

I covered that also but again, the offset is also an imaginary line that stays parallel to the engine and tranny.....with setting an engine and tranny...it may need be offset of center..establish the centerline and mark...adhere to the centerline equally in that offset.  As the rear axle is often offset you pretty much locked into the parallel by the mounting points of the leaf springs.  DO VERIFY your frame for square to prevent dog legging.  In the rear, again if not establishing new leaf spring frame mounts you need to concern yourself with the location of the perches to center the wheels to frame left and right...the offset of the pinion will remain parallel.

[Solga]

3 minutes ago, Plymouthy Adams said:

I covered that also but again, the offset is also an imaginary line that stays parallel to the engine and tranny.....with setting an engine and tranny...it may need be offset of center..establish the centerline and mark...adhere to the centerline equally in that offset.  As the rear axle is often offset you pretty much locked into the parallel by the mounting points of the leaf springs.  DO VERIFY your frame for square to prevent dog legging.  In the rear, again if not establishing new leaf spring frame mounts you need to concern yourself with the location of the perches to center the wheels to frame left and right...the offset of the pinion will remain parallel.

My mistake, thank you for the correction.  When I originally read your post, for some reason, I was picturing the centerline only as if looking at the drivetrain from the side view horizontally, and had not considered the looking from above vertically.  This definitely makes sense !

 

Adam