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Turbocharged, Supercharged, and Hotrod Motorcycles: Re: [turbobike] Fw: help

Re: [turbobike] Fw: help

Rick (gsxr1100@ptw.com)
Sat, 15 Aug 1998 06:34:10 -0700

Glenn have you made a run and check the plugs?
how about Air fuel ratio meter?
I think you are running lean
Turbo Rick
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>>attached is a dyno chart from my 94 ZX9
>>I have a 94 ZX9 and am using an Aerodyne Turbo blowing thru the stock
>>the bike is set at 9.5-1 compression
>>it has a full epoxy ported head but still using stock valves
>>MSD ignition
>>Muzzy adjustable timing advancer set at stock timing for now
>>Muzzy adjustable cam sprockets degreed at 103.5/103.5
>>The Turbo is set at 8psi boost
>>I am pressurizing the carbs thru the same place that they were with the
>>the bike pulls real strong until approx 7,000 rpms then it has a HUGE dip
>>it before it trys to pull again
>>these are all the things I have checked to try and solve the problem:
>>Fuel Pressure:Put a gage inline and it rises up as boost level increases
>>have a gage between the fuel pump and the regulator with plenty of
>>being supplied to the regulator I even put a brand new regulator on
>>Ignition:Tried it with the MSD on and off also tried a different set of
>>with no effect on the dip
>>Turbo:tried running the bike without the turbo and it pulled fine all the
>>up to redline
>>Traced all the wiring to ensure no loose ground or crossed wires
>>Battery:put a brand new one in and checked the voltage and charging system
>>everything was ok
>>Jetting:up and down with no effect on the canyon that is my power curve
>>I have made close to 70 pulls on the dyno with ABSOLUTELY no variation on
>>where the dip occurs.
>>It is the smallest turbo that Aerodyne makes could I be overspeeding the
>>already due to the epoxy head flowing so much air?
>>Well I think that is everything any and all help would be greatly
>>appreciated.Cause I think I have tried everything and I am all out of
>>altitude,airspeed and ideas
>Picture Attachments:
>File: ZX9DYN~1.JPG