I only went up to 40 psi on the tires from 34 , a bit afraid to go more than that but I guess some guys are on here, I also have spoke custom wheels about an inch wider than stock that came with the car so probably could really benefit from disc wheel covers and thinking about a tiny lip on the rear deck lid also, saw one on a caddy today . forget the model , when I bought the yokohama tires they cost me about 3 mpg over the old rock hard tires on there but much safer of course , right now seem to get 40 mpg at any speed i go up to my max cruise speed of 63 or so . I think the throttle restriction and lower speeds cancel each other out with the throttle more wide open and the air drag of high speeds , same thing the ranger does 25 mpg no matter what, although I did discovred but forgot to use the fact that when the rangers muffler started opening up I got up to 30 on the highway, a look at the replacements mufflers small internal tube showed me why, I think for highway driven cars a larger muffler is well worth it. so may go that route,
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