I am gonna put a 5.3 in my 95 sierra 4wd. I can either use the 95 trans I have now or just get a trans with the engine when i get it but my question is would the newer engine and trans bolt up in the same position as the original trans or do I have to move the trans mount or can I still use the 1" setback mount or do I have to use the 0 setback mount? If I have to use the 0 setback will I have any problems fitting the exhaust manifolds in there? Thanks to anyone that can help me.