[sugarmaker]

David, Deuce lover, Folks,
Yes I think a biscut joint connection would work very well for this joint too! Beinfg too cheap to go buy one I will try the Kreg screw joint for added strength. Yes the vent holes, makes good sense about the air moving out. I did figure out what the big hole was for in the drivers seat base. There is a bump in the tank that needs clearance. I will add some air vent holes in the thin ply wood too. Thanks !
Regards,
Chris