Well, I am inclined enough that I am going to make my own supercharger kit (see other threads) and have decided today that I'm doing it no matter what. It may take me a month or two to gather funds and such but it will be 1/3rd the cost of the kits out there.

Now, I have no idea if it will be better or not so I am not knocking the kits in any way. They work and work well from what I know.. I'm just cheap hehe.

Making more HP on any motor will put more wear on it, period. There is the age old saying:

FAST, RELIABLE, CHEAP ... Pick 2

More of us will be boosting and more of us will help development improve and I hope to have a cheap(er) alternative to fueling soon that is much less than an e-Manage. It will ONLY work on fuel though so you will have to plan your boost level to work with stock timing.

Anyway, these cars are fairly peppy over 4,000RPM already, the problem I have is from 0-4,000 takes forever! I hope to remedy that with a few PSI ;)


Good luck to all in their boosted endevors.

 

Kind of a corny question.... but what your milage like with 20" wheels and a supercharger?

 

I like the Greedy Supercharger, the Scion is not a powerhouse but it is much quicker and fun to drive. I get 25-30 mpg around town.

 

Just to chime in here. After speaking with Greddy's test lab as well as Scion techs who boost, I've found that the magic number where things start to get risky is 8lbs of boost. Anything above that is no man's land as far as a daily.

The Greddy S/C is 4-5lb boost, but can easily be tuned to 6-8lb with the emanage system.

The other guy was right.
Keep synthetic (motor/trans) in it at all times (Amsoil, Royal Purple, or Mobil1 is all good)
Run a -1 cold plug (NGK IX are great, alot of people run densos)
Get a proper tune
Take your time installing
Get gauges to monitor for problems. Even a wideband is not a bad idea.. Hell if you can afford to boost a 14,000$ car, you can afford 400$ for a nice wideband and an o2 sensor install

Good luck!

 

I have a GReddy SC kit, and have found it hits 6.5-7.5 psi, at least it doest that here in sea level Florida. The first 3 days were great, however I think that the little pin that holds the crank pully in place may have gotten messed up somewhere along the line because I have a SERIOUS bogging problem froma dead stop to about 3000RPM.

 

I'll see what it does here in Houston soon.. we are close to sea level but it's more a proper tune that i'm concerned about as opposed to altitude.. That's a little hight for a stock greddy sc setup unless you've tuned the emanage some... Your crank pulley may be slipping... tear it down and check it.. you'll end up doing damage if you don't.. are you running the stock crank pulley or the perrin lightweight?

Good luck with your setup... I'm doing mine this week I hope....

 

I'm runnin the Perrin unit, and I am thinkin that the pully is slipping, or that the alignment pin has been scheared off or deformed in some fashion.