No, I am placing the engine and trans in such a way where headers, bell housing and oil pan will not be a scrub factor when all is said and done. To me along with tires not running are very important factor in my builds.

If you have the ability to start fro scratch optimal placement is easy while factoring drive line angles. Most times trans tunnel modifications are necssary.

Its either custom tunnel or custom headers and bell housing. And yes, final adjustment will be at the differential.