TwinTurbo.NET: Nissan 300ZX forum - A couple notes for everyone.........
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Subject A couple notes for everyone.........
     
Posted by Specialty-Z on February 18, 2003 at 10:16 PM
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In Reply To Went to the dyno with Greg Dupree today! posted by degradated on February 18, 2003 at 08:03 PM
     
Message Here is a classic example of what I have always told everyone......
You do not need bigger injectors with stock turbos.
Bigger Injectors would not have made any more power and would not have been safer.
I removed 8% of fuel with the AFC at 6000 RPM .....
The A/F ratio at 6000 RPM was 10 to 1
The A/F ratio on this car with 8% fuel removed was 11.8 to 1
We advanced the timing to 25 degrees BTDC to get the highest # with out a hint of detonation at 19 PSI Boost

101 octane is all it takes to make this safe.....we did run the timing back to 19 degrees when we were done as anything over that was a very small gain.

This is fine for 1/4 mile racing also.
If you are road racing this is too high of boost and the timing should be less as well.

I do not recommend these boost #s or timing #s for freeway runs....

Enjoy the Boost and thanks for a fun morning Ryan !

     
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