The use of a nitrous solenoid on a trurbo car is illegal by NMRA rules. Had he used a different solenoid perhaps it wouldn't have been a problem. However, at that point the prupose of the solenoid would have been questioned. Remember the protest requested the tracing of the lines from the CO2 bottle. Normally the CO2 bottle will have 2 lined, one to the chutes off of a regulator, one to the boost controller. However his car had three lines, one of which was a high pressure #6 line (the CO2 lines are normally plastic, all though I have seen them done in braided before just never that large).
The suspicion was that the line was going to the intake or the exhaust and that he was either boot strapping the turbo or spraying it. Since the parachute and boost controller run off of regulators there is no reason that you could not fill the bottle with Nitrous at 1000lbs and use the nitrous to operate the other functions of the car while enhancing performance turbo. The fact that the car would sometimes run a 7.6 then turnaround and run a 7.4 while both runs looking the same makes one wonder. He wasn't shaking the tires, so why the huge difference??? The thought was that since he had no way to purge pressure (since it wasn't supposed to be there) he sometimes over pressured the bottles and locked up the solenoid....at those times the car would appear to run quite a bit richer then even normal.
Either way it's a moot point since he refused to allow the Tech inspection to continue after they found the nitrous solenoid. Was it spraying the turbo??? No one knows.
It should be noted that aside from the hose he had gone to extensive lengths to hide the solenoid and it's purpose. The car even had a fabricated secret compartment. If you didn't trace the lines from the CO2 you wouldn't have found it. If you didn't know what to look for and where it might be you wouldn't find it.
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