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RarlyL8 RarlyL8 is offline
Crotchety Old Bastard
 
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Join Date: Jan 2000
Location: Huntsville, AL
Posts: 15,029
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Some engines will not be able to reach full boost in 1st gear; 3rd gear is a better test.
The K27 and 3LDZ for Porsche are T3.
As you know that is a loaded question due to all the variables involved. List the build parameters and someone will have done it while using a K27.
The lowest RPM at full boost I have personally seen on a CIS engine was 1.0bar at 2600RPM. This was accomplished with 1/2 bay IC, headers, tuned fuel curve, and custom ignition curve. The engine put down 400whp. The turbo was a custom K27 hybrid. The K27-7200 in my old Red Rocket hit full boost at @2700-2800rpm.
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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 05-25-2014, 08:48 PM
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