Yes i agree about the space issue. Mine too is under the cab however my cab is off so mine is wide open right now but i am planning to install a mini door or access panel for future service. I did not think of other peoples situations. Well good luck with it.
"As I lay rubber down the street, I pray for traction I can keep, but if I spin and begin to slide, please dear God protect my sweet ride." -Amen
56 Chevy 3100 
