angib wrote:There are, sadly, many things you need to check to see if larger wheels will fit.
As well as the wheel bolt pattern, there's also the center bore - trailer hubs tend to have a bigger center to the hub casting that sticks through the wheel and so many car wheels won't fit over trailer hubs, even if the wheel bolt number/diameter are the same.
And if the wheels fit on the hubs, the tires may hit the trailer frame. Your 8" HF tires are probably running fairly close to the frame already and if you install wider tires (typically 13" tires will be 6-7" wide) the inner face will be nearer the frame. You could use spacers to mount the wheels further from the hub, but then you will shorten the bearing life because the wheel won't be centered over the bearings.
Believe it or not, fitting bigger wheels may require you to replace the whole axle!
bobhenry wrote:You neglected to mention if the bolt circle was 4 on 4" OR 5 ON 4 1/2"
but here are a number of car models who's wheel will fit these patterns
4 on 4 (101.6 mm)
Crosley - all '39-'52
Opel Manta, Kadette, GT
Buick Skyhawk '75-'81
Chevrolet Vega, Monza '71-'81
Pontiac Sunbird, Astre '76-'81
Oldsmobile Starfire '75-'81
5 on 4 1/2 "
AMC Gremlin, Hornet, Pacer, Javelin, Matator, AMX
AMC - most models (exc. Jeep) '40-'89
Chrysler/DeSoto - all full size RWD cars (exc. Imperial) '37-'89
Datsun/Nissan - 1600-2000 '65-'73
- 300ZX, 200SX V6 (some) to '89
Dodge 1/2 ton P.U.
Dodge - all full size cars & P.U.'s '37-'89
- Dart, Demon, Swinger '73-'80
Ford 1/2 ton van
Ford Granada, Monarch
Ford - All full size cars '49-'72; '79-'85
- Fairlane '62-'79
- T-Bird '55-'71; '77-'79
- Mustang 5-bolt '65-'73
- Maverick 5-bolt all
- Mustang SVO '85-'86
- Ranchero '68-'84
- Aerostar, Probe, Bronco II/Ranger to '89
Hudson - all '48-'56
Lincoln - all '70-'72; '80-'89
Mazda - RX7 Turbo, 626, 929, MX6 '86-'89
Mercury - all full size cars '52-'54; '61-'72; '79-'85
- Cougar '67-'79
Mopar '73-up "A" body
Plymouth - all full size cars '37-'89
- Barracuda '70-'74
- Duster, Valiant, Volare '73-'80
Pontiac - Tempest, LeMans '61-'63
Studebaker - all '51-'66
Toyota Crown, Hilux P.U.
Toyota - 2WD P.U. '69-'89
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