Thread: 135i vs RX-7
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      01-17-2009, 10:53 PM   #22
BForbes
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Drives: BSM 135i/AW E90 M3
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Quote:
Originally Posted by ajax View Post
My 8 is NA and i get 20-21 mpg most of the times.
Guys who do intake and high flo cat usually increase their MPG by a bit, but if you buy a cobb access port and have the NA tune installed, you can get a pretty good improvement in mpg.

I have a few friends with turbos who actually get better MPG than I do.. The ignition system on the RX-8 sucks. The coils fail because they have a terrible ground and of course the spark plugs foul because we burn oil.

As far as the SC kits getting better gas mileage goes, it all depends on the tuning and the parts included.
Cool..thanks for clearing it up.
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