i say vortech unless your going to go stage 3 or higher with stillen

 

It's really personal preference. The Vortech can make way more power w/ upgrades, but I'd prefer a power band like the stillen simply because it's a little more usable w/ a 5AT in daily driving. With a tune & raised idle, the vortech should be fine. Although, w/ more power, you may have to upgrade internals & tranny.

 

I would think with a 5AT, if you give the car some gas, the tranny would downshift and then you're in the mid/upper rpms - where the vortech shines

I'd think a 6MT would be be more useful with a stillen than a 5AT

 

^^I dont know about that dude. I dont think vortech outdoes stillen in 1/4. there's a vid on here of a stillen G (stage 2) vs a TT 350Z...let me see if i can find it. avg vortech 1/4 ive seen is like a 13.3 or 13.4

stillen g35 vs 350z greddy TT

here's the vid, both run a 12.9 i believe...

http://videos.streetfire.net/search/...b0671d9a59.htm

 

Average Vortech is 13.3 or 13.4? Really? We have N/A G35s at 13.7-13.8. I think you need to research more. Vortech owners don't drag too much, but the fastest VERIFIED Vortech run I know is 12.4.

 

6MT

 

No.. not at all.

The Stillen has great low end torque and will get off the line faster.

In the 1/4 mile, the Stillen could thump. But if you kept going by 1/2 mile the Vortech would be hitting its stride up top and start to pull. Same applies on a road course.

For red light runs on the street, the Stillen is mean.

I've tried it.

 

ya average that IVE SEEN/READ. I remember Neffster in the FGC (sold car) had some issues trying to get in the 12s. I also remember Randys_G a former member on here now has another screenname also couldnt break 13s w/ his vortech. I've read stillen is real nice for low RPM and 1/4 mile stop light racing. But just as Brando said, once you go beyond that, the stillen dies in teh upper RPM, whereas vortech pulls much harder.

 

Two member's whose driving skills aren't known shouldn't sway your opinion. What did they run stock? There are over one hundred Vortech G/Zs on the streets, but 1/4 mile times are still very rare. In order for the Vortech to run average 13.3-13.4, that means some cars were in the 12s and some were actually 13.7-13.8. That's what an average means to me. If you're running 13.7 with the Vortech, you need to drive your car off a cliff. You may have seen 13.3 Vortech 1/4 mile times, but in no way is that the average. Those times would represent the lowest numbers you would see. My fastest NA time with just crawford plenum, z-tube, and y-pipe is 14.0 @100 mph with a 2.1 60'. I actually raced a Stage II Stillen Z down the drag strip and he only ran low 13s. Low end torque is great, but if it screws up your 60', then it actually hurting your 1/4 mile. I actually beat him out the hole, but he caught me down the track. I can't wait to take my Vortech to the track. I have no reason to believe that with an additional 120 rwhp and 90 ft/lbs of torque can't get me in the 12s.

 

There's been some vortech setups doing 12.3's (z's) in the 1/4 mile with around 400whp. You can take the vortech up to 470+whp. 11's are probably possible. We'll never see a stillen setup go that fast unless nitrous is involved




as far as the stillen vs vortech on a road course, my vortech car is making the exact amount of power that a stillen does from 2500-3000 rpms and up. I've never ever ever dropped that low or lower on a road course - that's the whole point of downshifting while braking before a turn, so you'll be in the upper rpm when you roll on the gas again. Granted I don't have a typical vortech setup...A typical vortech setup with stock gearing would have to be at 4000 rpms to match a stillen's power

The only practical advantage I see the stillen having over the vortech on the street or a 1/4 mile launch is from 0-25 mph in 1st gear (and 0-14mph when comparing my vortech car with 3.9 final drive to a stillen)

 

As long as you have traction, I dont see it being a problem either.

 

That's true. With the Vortech, you can add more power w/ different pulleys and breathing mods. However, with the basic vortech kit, I think the stillen would take it. The stillen also has the advantage of being a decent kit out of the box. You don't have to add other mods since they don't add any power. Plus w/ only 300-340 whp w/ the stillen, there shouldn't be any need to upgrade the internals or tranny.

It all comes down to what you're looking for out of FI.

 

yeah I agree, the stock vortech kit actually is pretty weak with power coming on too late in the powerband and there's too little of it when it finally does come on

a basic stillen kit will out do it



I just don't know very many people that actually run a bone stock vortech kit. Everyone always seems to upgrade the pulley, cats, exhaust, headers, and plenum and make 400whp with the power coming on really strong around 4500 rpms

 

+1...
I would've done the same had I decided to go vortech...

 

sorry for all the stillen guy,s but a stage 4 will beat a stock vortech in the 1/4 but an upgraded vortech will crush the stillen.i ran a best of 13.41 on stage 2 with a auto.i havent run stage 4 yet but the diff in the 2 kits is upgradeability.there is none with the stillen but the vortech can.......just look at sentry,s car.he would blow my door,s off in the 1/4 but the stillens power is there for normal driving.very strong low and midrange torque and power but nothing up top were the vortech really hits hard.

the noise that comes from the vortech and ati annoy the hell out of me at idle but like sentry said just raise the idle speed and you hardly hear it.

i like the whine of a roots blower but you cant upgrade it what so ever for more power.