What's up guys,

I got some really good info in the past from everyone so I figured I'd asked... I picked up a ATI Procharger supercharger couple weeks back. I'm having it installed this Tuesday, problem is I can't get it tuned till 2 weeks after.

I read about the engine blowing, running like crap, and other things if the car isn't tuned. I need to get the car home (30 miles away) and back to the tune shop later (30 miles away). Anyone ran into this problem? Should I not run it? If I do, should I run it at low RPM's on the back-roads?

 

i would pull the charge pipe dont run boost.

 

Some quick questions for you, pulley sizes, fuel set up, uprev? Like others said just disco your charge pipe and you'll be fine to drive it. Just go easy on it.

 

Sure, It has 9psi pulleys with the standard fuel pump/kit that comes with the procharger kit. Also a UpRev MAF GT sensor.

 

if it has absolutely not tuning and has the fuel system upgrade as well as the uprev maf you will be lucky if you can even get it started and running. running the supercharger disconnected or keeping it low in the rpm's to stay out of boost would work if for those 2 trips, just dont push it at all.

 

My recommendation is get rid of the Fuel set up from prochager and do a proper FRS and dont look back. Get at least 550CC's my 440's were at 77 duty cycle at 10psi.

 

you'll be fine to drive it just don't accelerate anything past ~30% throttle - you should do your best to stay out of boost. Is this a complete new kit? I believe the installation instructions give a rough tuning procedure bit of a rough tuning procedure with the fuel management unit.

this was back in 2007 when I got my kit installed - the installer tuned the car off my AF guage and when I put it on the dyno I was running an 18:1!

 

What fuel system would u recommend? Also as far as the install, I was contemplating on doing it myself. It looks easy, just curious why shops are quoting me like $800 to $900 for the install.

 

Concerning your fuel system - you should consider your big picture and long term goals. If you are going to be satisfied with 400whp and not a hp more than just keep the ATI fuel management system. The good thing is it's stupid easy to tune and very very basic, it does what it needs to do. The bad thing is that it is not scaleable and it's at it maximum capabilities.

The procharger kit is a pretty good kit, it has a bad reputation bc it has destroyed engines (I believe because they were not tuned correctly) but they were engineered to get the most out of an OEM block and thats it! So if a built block and 600whp is in your future, the procharger will not get you there.

If you do decide to upgrade your fuel system - look into a 800cc or great injector, a return fuel system and a 255lph+ pump. This upgrade will cost +/-$1700.

I paid $1000 back in 2007 to get my kit installed, so that install number is about right. I don't know your automotive capabilities but it's not difficult but you'll be tapping into the OEM fuel system and electrical systems - which may be intense?

You should do the install (or have it installed) and then go get a dyno tune where you can monitor air fuel ratio before you start digging into the throtte.

Look into an oil cooler too - something simple that mounts to the oil filter assembly, I put mine behind the intercooler on the passenger side - if you're short on cash you can piece this together save maybe $100-150 - if you do this PM me and I can give you a few things to help.

 

Hi guys, this install has been a nightmare because my kit was purchased used and I was missing a lot of parts that I had to order direct from procharger ( tubing, hardware, hoses). Live an learn I guess.

Anyways I started the built (piping, relocating the power steer lines, modifying sections of the car to fit the inter cooler. I'm gonna have the shop install the fuel system and brackets + blower. I need your guys help tho on additional missing parts.

Questions:

The used kit I purchase is also missing the ATI EFMU module but I have the fuel pump. If I purchase Walbro 255 LPH fuel pump kit, will I still need this EFMU?

I have a hose (see pic) right above the MAF sensor that hooked up to the old factory intake, thinking its a vacuum hose,can I cap it off?

I just don't wanna take it to the shop with missing parts? Thank guys

 

Pic

 

Pic 2

 

This is the Walbro kit I'm purchasing.

 

Because you are missing the FMU you will need something to tune with...I would look into the osiris platform - it will mesh up to what you have already. The walbro 255 will not replace any tuning device. The walbro you bought will replace the in-tank fuel pump while the procharger fuel pump mounts in the engine bay and is run in conjunction to the OEM setup.

The procharger kit (right, wrong or indifferent) uses the OEM fuel system in an OEM manner when the car is running in vacuum. Once the procharger starts marking boost the procharger/FMU adds fuel according to boost pressure. The FMU has sliders that adjust the voltage that the procharger fuel pump receives. The voltage is adjusted at 6 different intervals through the RPM range. higher voltage increases the pump pressure, lower voltage decreases pressure which either adds or takes-away fuel to the engine - either richening or leaning-out the air:fuel ratio.

I believe the hose above the MAF is the PCV hose - you cannot just cap it off, if you do this it will damage your engine. It should be fed to your intake after your filter but before the MAF. You should do some research on the PCV hose and it's purpose and function. You also may want to look into a vented catch can as a replacement to the OEM PCV system.

 

Heres my remmocendaion since I just washed out my bearings and sezeid my motor. Dont drive it with big injectors indtalled!

 

Great info, thank you. I have a better understanding now.
The engine has about 82,000 miles on it, the kit has 9 psi pulley, with the GT MAF. Also I will be satisfied with 400whp.

Most important what would be safer on the engine (won't seize my engine in the long run, sorry Conway) and which route could I achieve a accurate dyno tune with everything listed above?


Using the aeromotive DMFU and ATI fuel pump?
Or
Ditching the aeromotive DMFU and fuel pump for bigger injectors and a piggy back EMU?

 

Fuel system should be FRS, 255 Pump 750CC injectors and Uprev. that will be all you need for fuel and software

 

Fuel system conway recommended will be good. Youll have plenty of headroom for future mods or to up the boost and uprev tuning works great for this. I am using that exact setup but with a 340lph pump. At 9psi you most likely will not hit 400whp but will be close. I was at 370whp at 9psi at sea level.

 

Just to clarify, still a newbie in this whole fuel management thing. What's FRS stand for? I'll probably go with some 600cc injectors, I see a lot of used ones on here for cheap.

I not sure if this matters or not but I have a non revup motor.

 

FRS-Fuel Return System.