Go For It. some of my best travel was done sleeping in a 87 Volvo wagon ( it was a diesel) Use a foam mattress, take extra blankets, tools/spare parts, and have personal protection as it is dangerous out there.

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Gary
Experience is something you get, Just after you needed it....
'99 E300 295K, '83 300D 220K, '75 240D 185K sold
'80 MCI Bus Conv DD 6V92TA, w/4 cyl. Kubota diesel GenSet 12.5KW