Wheels are stamped, "7J X 15_ H2_ ET23".
will they fit my '81 300td wagon?

If so, what size tires then?

Stock tire size should be posted in your doorjamb. The stock wheel size can be found by looking for your numbers on your wheels. I don't know if they are the same off the top of my head. As far as fitting non-stock wheels and tires....try this link.

http://www.miata.net/garage/tirecalc.html

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'85 300SD (formerly california emissions)
'08 Chevy Tahoe
'93 Ducati 900 SS
'79 Kawasaki KZ 650
'86 Kawasaki KX 250
'88 Kawasaki KDX200
'71 Hodaka Ace 100
'72 Triumph T100R

dieseldiehard..
can you show me a picture of these rims?..i am interested in upgrade my set of wheels too for better handling and traction for snow...

i've searched all over the net for the part number you supplied but i can find a picture of what it looks like

i have a 300D 78 and i want to find the widest tire set for this car without any rubbing or sacrificing the ride quality. the apsect ratio for the car is a little big though "70" for stock however. i would like to see what 50 is...

allen