Hello to everyone, just bought my first Mustang, it's a 95 5.0 equipped with a Paxton Supercharger. Having a couple of issues, #1 at full throttle the engine begins to cut out as if not enough fuel is being delivered. Do I need a larger throttle body? If so what size? Should I replace the intake and intake plenum as well? #2 is anyone familiar with Paxton Supercharger model SN93? I have read at another internet website that you have to change the oil in the supercharger at 3000 miles. Is this so? If true what kind of oil does a supercharger take? Thanks for your time in advance.
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Yea, HOPEFULLY you are not running stock injectors w/ that. And yes if you do not have a aftermarket throttlebody you should def. go out and get one along w/ a upper/lower manifold. And also do exhaust, etc. to free up all of that extra power. A tune would def. be in your benefit also if it hasnt already been done. What kind of psi is your blower producing? What other mods are done to the car?
Ok, here is my situation, stationed in Japan in the US Navy... so no tech support over here. Returned the car back to the Japanese dealership today and possibly going to cancel the deal. The car has a Paxton SN93 installed. The dealership knows nothing about how much boost is being generated. Basically when you step on the gas the car boggs down and feels as if it has no power. When you get to about 3500 RPM you can start to feel the supercharger spool up and kick in, but even then it's minimal. The car only has 24k miles on it and is really clean, but I being as this is my first supercharged car (possibly) I don't want to spend a fortune replacing the injectors and intake, only to find the problem still persist. What would everyone here recommend changing the stock injectors too? What size? What intake (65mm, 70mm, 75mm)? Just looking for some good options before I lay down the cash.
Its too bad that you dont have much tech support, the first step would be to know whats going on in the car. Order some guages over the net, one for Air/fuel ratio, and boost pressure. this way you will know if you are leaning out at high boost and know what you need to fix. If you are leaning out you need to increase your fuel system, usually starting with injecters, and sometimes a bigger a fuel pump. If for some reason you are too rich, then the intake system needs to be opened up. For a forced induction application, an intake plenum with short runners is ideal, so that may be in the equation. as well as a bigger throttle body and MAF.
See if you can do some mail order tuning once you know whats going on. If you buy the car and get it figured out, youll love the power.
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1995 Mustang GT
Putting a 408 in, hopefully itll be done by June for a car show.
You shouldnt have to run any bigger than 24lb injectors and a 70mm throttle body & EGR would be a nice start. Do as TastePaint88 said and order them gauges. You cant know whats wrong with the car from the outside if you dont know whats going on inside
Just wanted to say thanks to 88BlueGT, TastePAINt88, I8URVTEC for all your assistance in this matter. I called the dealership and cancelled the purchase of the car. Really was hoping that it would have worked out, but just don't have the time to deal with something that was somebody's screw up during the install process. Thanks again,
I had the same problem with mine. The housing bolts were loose and it was leaking boost. I tightened the bolts and it was good to go.
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1986 GT T-Top
GT-40 Crate/ B303/ Ported Cobra intake/ 65mm TB/FMS Mass Air w 75mm/ 24lb injectors/190 LPH/ Flowtech exhaust & headers/no cats/Pace setter H Pipe/ 2.5 inch pipes all the way/ Paxton Sn2000/65 shot just incase/ I still have A/C/ HP ????
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