Pass V1 Posted July 28, 2007 Share Posted July 28, 2007 Hey everyone, Just got a 91 ls 400. But the 15 inch wheels are not pretty. So I want to replace them but the queston is: What size wheel & tire will give me a little better look BUT not alter the ride? I see the later years went to 16 inches. SO I am planning on 16's:) Simple nothing too flashy. The tires rack suggest 16X7 with a 225/55/ 16 but doesn't the 16's on the ls 400 carry a 225/60/16 stock? Will the 60 series throw off the speedometer? Or is the 55 series be better for the speedo but bad for the ride? Plus what is a good offset? The wheels I am planning on getting are 40mm offset? Any advise would help. Quote Link to comment Share on other sites More sharing options...
91LS400vgb Posted July 30, 2007 Share Posted July 30, 2007 Take a look at http://www.dakota-truck.net/TIRECALC/tirecalc.html I'm actually thinking of doing the same thing. My 1991's 15 inch wheels are pretty scuffed up and I can get some 16 inch rims from a 93 or 94 for fairly cheap. Using the link above, it says 225-55R16 will result in the speedo reading low by 0.98% - not bad. 215-55R16 result in being high by 0.72%. I'm a bit concerned switching to 16 inches only because I know there were suspension and braking improvements made to the 93 and 94 models, I assume in part, to compensate for the larger wheels. I'm hoping I'm not making a mistake by going to the bigger rim - or should I not worry? Quote Link to comment Share on other sites More sharing options...
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