Also with regards to N75 valves,
All of the new N75 valves are the same size...you have to get an adapter sleeve from Greedspeed...Since all of the N75 vavlves are currently running a size 64 boost output they will all perform the same. Running adaptors or the Monaco N75 will provide similar results as being able to run the Race, H, J, and K valves of before. It allows you to tailor the amount of extra boost held. Conceivably you could try out a size 60, 58, 55, 52, 49, 47 sleeve to add more boost hold. The problem you run into is throwing your car into limp mode when dealing with the requested boost versus actual boost programming of your computer. Jet Jockey used an old Monaco valve and gained 10hp and an incredible 40 lb/ft of boost, but found he was putting down 28psi of boost with it in. That is a disaster waiting to happen. Anthony at Greedspeed is helping me do some dyno testing the beginning of next month trying out several combinations to see which one is stable. You may want to try the same or just wait for the results. Cheers! Mike
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