***Topgunz ROTREX C38R Supercharger Kit***

Duke370z

Yep you need Eugene, my car is still on a base tune and it fires up immediately every time.

Do you have a check valve in your RFS? I had to add one to my cjm rfs. Installed it at the in line filter.

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14 sport/touring 6 MT- Motordyne CBE/Art pipes soon to be topgunz sc
12 touring AT FBO/ tuned- sold

DrBacon

Your fuel pump most likely already had one

FX-32

I think there's something wrong with your fuel system, possibly an internal leak in the fuel pump, because if you from on to off, the fuel pressure can't drop immediately to zero.
In my car it drops slowly, and in about one or two hours it reaches 0 PSi

Pressure is too low, at idle you should have 52 psi +-1 if I remember correctly.

Duke370z

I was told the dw 440 brushless doesn't have one.

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14 sport/touring 6 MT- Motordyne CBE/Art pipes soon to be topgunz sc
12 touring AT FBO/ tuned- sold