Hey- just a rookie like yourself, trying to help you out with my experiences. Living down in the south and keeping an eye on late model 80s and 450s I thought I could add some constructive comments. Look at carsearchusa.com and you will see vehicles very similar to what you described for...
32s
Had a 88 FJ62 with 2" shackles and ran 32X11.50 BFG/MT on the stock rims. Looked and worked great. Keep in mind as you go wider on those tires you will throw up some dirt past the narrow fenders on the 60s.
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97 LX450
Hey man- new to the site, sorry if there are already some pictures on here, but I would love to see some pics of an 80 with 305 Xterrains stuffed on there!
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97 LX450
Cherry
This cruiser sounds cherry! The things you mentioned are common maintenance and to find a last year 80 with under 80K and lockers in your described condition is getting tougher everyday. I agree this kid is not looking for a sucker, just someone who appreciates his ride as much as...