Quote:
Originally Posted by kafer65
I'm stoked for you, man. Totally doable. I'd scrutinize those tires. What brand and how old. Can you tolerate airing them up to within 10% of max? That would make a big difference on some tires. My brother picked up 3mpg highway ( in a small KIA SUV I think) airing up from somewhere where you are now. If they aren't LRR then use them up and plan for ones that work with you on your goal. Happy hunting!
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So far, lots of support for 40MPG or more from you all. Thanks for the support! Motivated!
Can't remember the brand of tires, but they are as per manufacturers recommendations for this car. Tread is good. Phase II (aeromods) will include raising tire pressure. Sidewall says max is 44PSI. Will go to 42F/40R or maybe a bit more. I saw some data on here somewhere that showed diminishing FE gains and increasing road feel once you get up into the 40s and above...But there still seems to be some difference of opinion on tire pressure. Anyway, 42/40 oughta help quite a bit, right?