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RarlyL8 RarlyL8 is offline
Crotchety Old Bastard
 
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Join Date: Jan 2000
Location: Huntsville, AL
Posts: 14,043
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4th gear 70mph steady cruise. Yes a properly tuned stock geared CIS 930 should get 21-23mpg on the highway and ~15mpg in town. Boost is not figured in as you don't do that if you want good mileage. These figures are good for power levels from stock to 400WHP. I don't have any data above that point.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 09-14-2010, 02:00 PM
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