cloudy

iTrader: (3)

Well ive been looking around, and the ati procharger just seemed to be getting better results on hp gain.
I just wanted some opinions on ATI Prochargers vs Vortech sc's.
Both easy installation? No major tweaking needed? How they run? If it matters, which would run better with a injen ca intake, greddy evo2 exhuast.
I saw the HKS ran better with stock exhaust, is there anything like that for the ATI or vortech? Does it matter?
Just any suggestions or little notes would be great, thanks.

AxionF117

you can't run an injen cai with either of them.

ati's make more power because they do not pull timing
Too much timing + forced induction = not a good combo *Kaboom*

your gonna have to get a safeguard if you run ati, with vortech you will not since they already include timing control.
An exhaust will help in gains with both systems, just IMO vortech is a better unit hands down.

Plus they are always installing them on OverHaulin' and that show kicks ***!

Dr Bonz

iTrader: (1)

Or you can get your ECU flashed for the timing issue like me.

whosdady

iTrader: (6)

And make more power and eliminate the rev limiter and speed limiter at the same time

cloudy

iTrader: (3)

What intakes will work with these SC's then?

AxionF117: Your saying Vortech are safer, all i do is bolt on and go basically? What exactly would i have to get if i wanted a ATI?

350zSpeedRacer

No CAI's work with these S/Cs. They have their own piping you need to use.

AxionF117

vortech is a more complete kit, that is perfect to use right out of the box.

cloudy

iTrader: (3)

O ok, hrm.

Axion, what would i need to buy if i got the ATI, and how much better is a ATI over a vortech would you say HP wise? Is it really worth all the hassle?

AxionF117

I never bothered researching the ATI kit.
I've only deeply looked into the Vortech kit, since I viewed it as a safer kit. The ATI for the most part will make more HP, but I didn't like the self-contained oil and the fact that timing was not addressed with that kit.
I'd rather make a little less hp but know I had a more reliable car.

cloudy

iTrader: (3)

Ya i gotcha.

What are your thoughts on Greddy TT kits now?

chaparro78

iTrader: (2)

I don't know where the ATI is putting down more HP came from?

I am putting down 410WRHP with my vortech on a 9lb pully ( actual 9.1 lbs of boost). If there are ATI's putting down more than that I missed it. I am not saying one is better than the other, but from what I have seen, Vortech is putting down more power when tuned correctly. Either way, you will not be able to use a CAI, both units have their own. The only way you can run a CAI is if you go with the Stillen

ColecatZ

iTrader: (1)

Pedro, Your numbers interest me. now that I’m thinking about it. I was there when your Stillen headers and Cat-back were installed, and it seems like I remembered reading somewhere that two of the supercharger install instructions ( I beleive Stillen and HKS) stated NOT to run aftermarket headers.

It has been speculated that this was do to the lack pressure not allowing the blower to generate the intended boost. I think someone on here even proved that they picked up 1 psi of boost swapping from test pipes to high flow cats, do to back pressure.

Since you are seeing 410rwhp….did you do this with the headers and testpipes. If so, are you seeing a true 9lbs?

Vortech is looking like my planned route, if I don’t go single turbo, but I want to get all my facts straight and my DC headers are itching to be installed.

Thanks for any input.

tig488

iTrader: (18)

colecat...i know where you can pick up a vortech for pennies on the dollar

cloudy

iTrader: (3)

Where? lol

ColecatZ

iTrader: (1)

I take it you are selling one?


Josh

whosdady

iTrader: (6)

The vortech kit is by no means a more complete kit. Sure it does address timing but it gives up several other features. IE: Smaller I/C, lower perpeller redline and my biggest concern "tapping the oil pan." How can this be a good thing? I have not heard of any Z's having problems with superchargers going bad and blowing debris into the motor but I have seen other cars that had this problem. Why share the heat and possible debris if you don't have to? Why chance it?

The smaller I/C is not able to cool the hot compressed air while boosting 9psi or more. Yes you can boost at this level but power and efficiency is being sacrificed. It is harder on the blower which may cause decreased life and power.

The lower perpeller redline means that the blower can not produce as much PSI as an ATI blower. A rep from vortech has recommended on this forum to have the unit sent back to vortech for a makeover if you want to run 9+ psi.

So, if you don't mind staying at stock boost... the vortech kit is less expensive and does address the timing. However, a much better choice would be to buy an ATI tuner kit, new injectors and have the ecu flashed. This option is slightly more expensive but your limits far surpass those with the vortech kit. Also don't try to install or change the air filter with the vortech kit unless you plan on pulling the whole blower out. (poorly designed)

Just so you know, ATI sells pulleys that will produce in excess of 15psi. Of course you will need to strengthen the motor first but the supercharger will easily produce that much power without upgrading the I/C, O rings, ect... I know of several guys that are producing 430+rwhp with the ATI kit. I personally don't want to do this because I am on stock internals but it is easily possibly with the ATI kit and is not possible (without a makeover) with the vortech kit.

cloudy

iTrader: (3)

So to get the ATI kit correct, what exactly would i have to get?

tig488

iTrader: (18)

tapping the oil pan, is really not an issue, im sure if it was vortech wouldnt have been doing it that way for the past 10+ years, and no the blower doesnt have to be remanufactured, zimbo was hitting 10+ psi on his vortech, and whos to say the IC isnt efficient. nobody knows that. your ATI one could be the same way.

but, yes i am selling mine, for dirt cheap.

zimbo

iTrader: (4)

Either kit is great. Take your pick. However, if you are comparing items ACTUALLY FOUND IN THE KITS (not additional external parts you might choose to buy) then the Vortech kit is more complete, much more safe, and costs less. It has timing and fuel maps that can be programmed via your laptop; it has rpm versus boost datalogging that you can "play back" to verify proper tuning. The filter has been redesigned and does NOT require a difficult procedure to remove.

Also, if you're planning to run 12-15psi and build up your motor a twin turbo is WAAAY better IMO than a supercharger so it's a moot point.

--Steve

whosdady

iTrader: (6)

Zimbo were you hitting 10+ psi on your vortechwithout any modifcations? If so how much RWHP/RWTQ were you making?

Tig, the reason why the HP numbers are a little lower is because the vortech blower runs out of steam as it hits redline. The reasnon the vortech I/C is less efficient is because it is smaller.