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maximum tire size on 73 Riv GS


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I don't know if I am posting this in the proper area or not so please forgive me but, I am trying to figure out if I can run 245/60-15's on my Riv, but I don't know the maximum size you can run without having tire's scrape the inside wells. Also if anyone can tell me if I should match those to a 15X7 or a 15X8 rim. Thanx.

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  • 2 weeks later...

Bigdawg,

245mm on a '73 Riviera is no problem. I did that years ago with a 71 which has basically the same wheel house configuration. 8" or better rims are recommended as per tire manufacturer specifications.

If you are racing a big bad Riv, make sure that your tires are SPEED RATED for MAX GROSS VEHICLE WEIGHT! Make sure that you have the proper ride height and that the tires do not scrub. Remember, anybody can tell you go ahead and put them on but its up to you to check it out for yourself!

My 1969 Electra runs on 335/35/17 Pirelli P-ZEROs. She has been narrowed 12". P-ZEROs can handle the max gross weight and maintain high speed safety.

God Speed,

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