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RarlyL8 RarlyL8 is online now
Crotchety Old Bastard
 
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Join Date: Jan 2000
Location: Huntsville, AL
Posts: 13,527
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The stock 930 WUR tends to run rich on boost in stock and mildly modified engines. Optimal A/F ratio is ~12.2:1 above 0.4bar. Does your engine hit 0.4bar at 4000rpm in every gear? Probably not. That is where the extra tuning will help, both for more power and better fuel economy. It is not required but there are advantages to be had.
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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 02-25-2007, 07:41 AM
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