Welcome to Team Talk. Sounds like you found your self a nice project. I can't help with the measurements but I'm sure someone will be a long shortly. Post up some pictures when you get the chance.
Your choice 14" - 5 lug trailer wheels
$79 Each - Free Shipping
ST205/75R14 Kenda Loadstar radial trailer tire
$94 Each - Free Shipping
PM or email me for package pricing.
CARBURETOR REBUILDING - $125 + PARTS
LED trailer lights, Hubs, Spare Tire Carriers, Chrome & Powder Coated Lug Nuts