I have been watching the temps on my exhaust manifold and was guessing that the hotter manifolds went to cylinders with higher compression. I did a compression check and found the opposite to be true.

I have not cleaned and tested my injectors yet and so I have no indications how that variable will play into this.

I am guessing that lower compression means later ignition and less efficient burn so more fuel burning on the way out the exhaust.

Is there something to this? Know of any good links or references on this?