the reason on the vette's is that they do 90mph at 2000rpm on 6th...atleast my friend's z06 does. bastard. my e30 did 23mpg dd..about 13 on track days. its never gone above 24 on 93octane and i have a OBDII + 3.25 so idk man what's your trick?
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No more e30s for me.
88 black BMW OBDII 332is dedicated track [sold]
88 BMW OBDII bronzit 332is [RIP 03/08]
91 BMW 325i [sold]
86 Corolla 'Ae86' HB 20v trd [sold]
http://youtube.com/watch?v=pTj7Hn9v5Rs -
Last week I got about 18-19 average with 85% streets and traffice, and the other 15% highway.
Going to bimmerfest and back i got about 27 on the highway the whole way.
Another note would I feel much difference down low going from 3.25 to 3.46???Check out Undr8d Empire on Facebook: www.facebook.com/Undr8dEmpireLlc
INSTAGRAM: @UNDR8D_EMPIRE
Scarlet V2 - #Project333Ti by @castromotorsport, @kingsautobodyshop, @bimmerheads, @hardmotorsport, @excel_motorsports & @mateomotorsports - http://www.r3vlimited.com/board/showthread.php?t=371356
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"How Much" is a relative thing. I'd be willing to bet that the seat-of-the-pants dyno would notice the change. I changed from a 3.91 to a 4.10 diff in my old Dodge once and couldn't tell a thing. Later, I changed from a 3.54 to a 3.23 and it made a big difference. I guess you start to loose the mechanical advantage of a low gear.
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