So heres the deal. I drive about 15 miles a day, in 4-5 lil trips all in the city.
I just recently installed my new billet steel flywheel and clutch combo right when I started this new job and driving routine.
Basically I'm getting about 14 mpg-170ish miles to a 14 gallon tank. Basically I'm filling up every week and a half to two weeks. Now if I throw a highway trip of 80 miles roundtrip its only eating about 1/8 tank no matter how full my tank is.
Before I installed this new setup I would be driving 30 miles a day round trip. No other runs. This was all freeway/stop and go traffic. I would consistently get 240-260 to a 13-14 gal tank. The same 80 mile round trip highway excursion would eat up between 1/8 and a 1/4 exactly.
So here's my theory. Basically with the installation of the billet steel flywheel, which weighs slightly more than the nodular stock piece and the city driving with lots of stopping and starting that the combination of the two is really hurting my MPG. It takes more work to get the car going. However I've noticed that my highway MPG has improved over my old stock setup.
So here it goes heres my statement.. Billet steel flywheels really hurt MPG in the city, but help with highway driving. By making this statement I'm also going to say that in city driving an aluminum flywheel would really help out city driving MPG, while hurting highway MPG.
I'm sure this may seem pretty stupid, but when you are getting 170 miles to a tank and are bored at work, these are the kind of things you post