Hiya dave.....
Good look man...bet ya carnt wait
Iv never strapped tanks down man...never felt safe...loads guys do it tho....
Iv got a traffic & got a welder to make a quick frame round 1000ltr ibc & its sound man....only took him a hour dude...
if ya tank aint baffled,try cut few bits drain pipe up & drop them in,it'll stop ya van rockin
Take care mate & kind regards
Justin