Stillen SC - put on your seat belts

Shamrock

Here we go! A non believer

thanks
Bart

Boosted Performance

I don't think it has anything with being a believer. It has all to do with facts, design, and knowing what needs to be done in order to get the kit to make the power you are after.

For starters, install the OEM intake manifold back on the car, and get rid of all the water-air cooling that comes with the Stillen kit. Figure out a way to install an air-air front mount intercooler with a single inlet and dual outlet. Get a shop to fabricate some charge pipes that are 3" diameter, and have a good 2' section of this diameter tube before the TB's. Weld two MAF sensor housings on each 3" charge pipe, again before the TB's.

At that point, you will be ready to put it on the dyno, and see what that Vortech supercharger can make. With those mods, you should be able to hit your power goals.

Bottom line, you can't argue physics, and the proper way of going about this when it comes to making that kind of power. Also, remember that the head unit (supercharger) will rob about 40hp from your engine in order to make the boost you will need (12-13psi) to make that much power (500 at wheels)...AND the auto won't help.

So for you to make 500whp, the HP at the crank will probably have to be about 640. The blower is capable of 1150cfm, and this will be right on the limit of what it can do.

Not trying to be negative, just suggesting what you should do if you wish to do this properly, right out of the gate. That is what I would do if I had this kit, and wanted to push it.

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Shamrock

I want you guys to realize that things here are very expensive (off the charts) because of customs tax. My car cost me 105,000 dollars. Just to get the standard Stillen/GTM kit here would be around 13,000 dollars. My friend who posted here 530 or so WHP paid these amounts for his kit (GTM). The short is that someone bought the Stillen kit and decided not to install it. He is willing to sell it to me for about 5500 dollars. That's cheap for here; very cheap. I know that the kit won't make the same HP as the GTM; although, I am not really sure why (not technical at all.) I just know how to drive. What would you guys do? Either no kit (can't afford GTM here), or get the Stillen?
I think I was misunderstood in my original post. My intentions now are to install the kit as is and with a proper tune get the max HP out of it. You must realize that because of the prices here car upgrades are a very grey area. Almost everyone in the states knows the basics such as how to change the oil or small repairs. Here it's the exact opposite. As to the guy that said that I didn't do research; well I did and my pockets aren't deep enough for the GTM (13000 dollars.) What I would like to know from the forum members is what realistic HP I'll be gaining with a custom tune and whether the Stillen kit is a good and reliable kit for what it is. If anyone says anything different then maybe I'll say "screw the kit" and I'll continue stock. The most important thing for me is reliability; meaning a daily driver with almost no hiccups.
Thanks

Chuck33079

Looking at those costs, it all makes a lot more sense.

You can make it reliable. Get a custom tune, and go overboard cooling the oil, water and intake charge. Just don't expect massive power. It'll still be a lot more power than stock.

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DEpointfive0

There we go. NOW it makes sense brother. If I could get a Stillen kit for half, you're god damn right I would.

Just get an extra oil cooler and keep it as cool as possible




Btw, if you want to get around customs, have the shipper put "Free of charge warranty repair" on the box or "Free repair for customer"
Gotten out of paying tax many times using that method ;-)

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JWillis72

I believe in the kit and I love what it did for my car but if you get caught up in those numbers it's going to let you down. If the Boosted Performance kit worked with the 7 AT it would be on my car simple for their attitude about customer service!