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I have an MPI tage 1 kit and it runs great but I noticed the rpm my engine was reving to. It shows 10,800 RPMS and I get a full 11 pounds of boost with 24/26 pulleys. I thought the motor was suppose to rev only rev to 10,300. I have an Uhlmer clutch kit and it works fantastic but maybe I need...

Any of you guys using marine fogging oil on a supercharged sled? Did you spray it into the SC intake throat or pull the IC to get at the throttle bodies? Just now geting around to the storage mode because we just got back from the UP near the end of March during that last snow storm. I don't...

Ted jennetty pointed me in the right direction by removing the filter I had over the outlet on my vortech valve and connecting the Idle Air Control hoses to the intercooler. Before It would always die when letting off the throttle after applying boost and I could not use the boost at all last...

I am putting my mono shock suspension back in after replacing the slides and I notice that the upper guide wheels are not in line with the lower guide and idler wheels. Is it normal for the upper guide wheels to be more outboard and near the edges of the track? It just doesn't look right to...

I have put on a K&N filter but the top is closed unlike the MPI unit. Has anyone seen more restiction with K&N filter compared to the MPI filter both being about the same size. I am running 10-11 psi at sea level. Thanks everyone

I am about to have 2 aluminum nipples tig welded to my MPI intercooler so I can attach 2 short 1/2" ID hoses to the Idle Air Control. Has anyone done this yet, how did it work? I see that a majority of the turbo intercoolers are hosed to the IAC. I am thinking this may eliminate stalling...

Anybody use ceramic bearings for idler wheels or drive train? I'm kicking the idea around a little and was looking for real world feedback. Thanks

Anybody use a Boondocker Turbo fuel controller for an Apex with an MPI supercharger. I need more adjustability than the MPI controller gives, especially removing fuel at idle and a faster response time than the MPI 100 ms.

My 06' Apex will stall then restart without toucjing the key switch when letting off the throttle after boost. I tried removing the blower drive belt and the MPI EFI controller and it still stalled. Later in the day, with the MPI controller gone and no boost it dissapeared. I Also noticed it...

What is everyone setting the idle RPM at with and without a Vortech bypass valve on their superchraged Apex? I have mine set at 1500 but was wondering which RPM would give the best throttle response when coming off idle. Also maintaim idle when releasing throttle quickly. Please chime in...

I have both the red low coolant light coming on along with the high coolant symbol indicator and she dies then goes again when I mash the then let off quickly. Very agravating to say the least. Only happens when I press the throttle past 3/4 then release it quickly whitch you must do to...

I installed my MSD pump in the left foot well to keep fuel supplied to the pump.

I have an MSD booster pump that I want to run only when needed with the stock pump. I will need it to "kick in" slightly before it is actually needed in order for it to be "up to snuff" and ready to do it's job when I hit 10 psi. I am running 10.5 psi at full throttle and the stock pump falls...

I just got it together with the following: Vortech bypass valve, MSD fuel pump, Ulmer clutching, 26/24 pulleys and 3 head gaskets. problem #1 surges badly when trying to accelerate slowly during Transition from vac to boost. Bypass valve need adjusted? problem #2 Air to fuel...

For those that have run 26 tooth crank and 24 tooth blower pulleys, what actual real world boost levels have you seen on your boost gauges? I'm nearing the completion of my MPI supercharger using 3 head gaskets at or near sea level. I went with 26/24 puleys so as to not exceed maximum blower...

I have a 2006 Apex RTX that I will be installing an MPI supercharger with 10 pounds of boost. What has others experienced as far as keeping the coolant temperature down? I use Red Line water wetter and I have the extra rear heat exchanger on it now, do I need more? Thanks

What has others experienced with a studded 121" ripsaw 1.25" track when the power is increased by a supercharger. I know you need extrovert drivers with a long, paddle track (for mountain guys and gals) But are they needed on a "shorty"? I don't have the SC installed yet so I would like to...

I have a 121" Apex and would like to add 144 studs up the middle. I was thinking of adding 1/8" aluminum strips to the bottom the existing stock aluminum box tubing. What has others experienced? Is this enough for 1.325" studs? Looks like the track is really close to the stock protectors...

Let's hear about your experiences with and without a blow-off valve on an MPI supercharger. I hear good and bad things about the subject so would someone chime in on this and tell us about mileage gains (or losses), throttle response (boost lag time), etc. Thanks, Moon

I have an MSD inline fuel pump that I will upgrade my fuel injection system with. After looking at the wiring diagrams I noticed that there is a suppressor (diode) across the pump relay's coil. I realize this is to protect the output stage of the ECU from collapsing magnetic fields causing...