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vortech vs ati

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Old Aug 8, 2005 | 06:05 PM
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Default vortech vs ati

Why do I se so many more ati setups compared to vortech? Is it the price difference or the performance? Also can a vortech system for an ls1 be upgraded to a bigger supercharger? thanks
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Old Aug 8, 2005 | 06:17 PM
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well if i were to get one i would get the ati for the simple fact that they are intercooled factory and most others that i see are running them. there are a couple fo guys with vortechs that seem to be doing well, but more ati guys.

Just my .02 cents
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Old Aug 8, 2005 | 07:02 PM
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Originally Posted by todd4168
Why do I se so many more ati setups compared to vortech? Is it the price difference or the performance? Also can a vortech system for an ls1 be upgraded to a bigger supercharger? thanks
Not sure why ATI seems to be the favorite flavor, never really sure why one product has market share over another sometimes. Both can make power, there are examples of both. Yes, Vortech makes a number of blowers up to 1700 cfm I believe. I have the Vortech on my daily driver 04 GTO and really like it. Been probelm free, just drive it. 424hp/408ftlb. It certainly can make more power if I just drop the pulley size but this is a stock motor and my daily driver.
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Old Aug 8, 2005 | 07:07 PM
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Well i think the reason the ATI kit is used more because the P1SC1 flows about 1200cfm and the D1SC flows about 1400cfm. The Vortech unit only flows 850cfm and cost alot more to upgrade a Vortech unit that flows even close to the D1SC. I like the fact that the ATI unit doesn't use engine oil as well. Thats probably the biggest reasons why ATI out sells Vortech. But they are both great kits.

Den
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Old Aug 8, 2005 | 07:10 PM
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Im not sure if its related in any way, and in no way, shape or form am I bashing them, but I heard in the rumor mill is that ATI is having issues with sponsors because they only want to buy head units cause the rest is junk. so now they said the sponsors have to buy 1 complete kit for every 3 head units, which is a little ballsy business wise...
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Old Aug 8, 2005 | 07:42 PM
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Typically if you're not getting past 14 to 15 pounds of boost, you won't have any problems with the factory brackets. I was running 15 psi with the factory brackets without any problems. Bob
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Old Aug 8, 2005 | 08:44 PM
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you'll have to spend more money to reengineer the f body ATI kit to fix their poorly designed kit. Big deal the head unit flows more, doesn't make up for the belt slip problems,crank walk issues, bracket flexing issues, overheating issues, etc. Do a Search and you'll plenty of owners complaining about their kits. They make the power cause of the headunit but the Vortech kits make almost the same power with unit that flows much less, now which kit is more efficient at making power? hmmm.

ATI sells more cause their kit is cheap compared to the Vortech. you get what you pay for.

The people that comment about not wanting to use the engine's oil system which runs thru the filter have no idea what they are talking about.

rant off! have a nice day!
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Old Aug 9, 2005 | 05:39 AM
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The new 8 rib ATI has no problems what so ever.... I have been running mine for sometime now with no problems. Hell i didnt even touch the belts since it was installed and never tried to tighten anything. Just changed the oil an drive it hard. I dont see why would anyone buy a Vortech over a 8 rib Tuner kit Procharger.
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Old Aug 9, 2005 | 09:33 AM
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I went with ATI over Vortech for a few reasons. Did not like all of the unit sitting on top of my motor. Did not want to tap into my oil pan and system. Liked air cooled intercoolers over water cooled, granted they are a bit small, but now they have come out with a larger core for them. Have had no belt problems or bracket problems, went with the 8 rib upgrade from the start.
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Old Aug 9, 2005 | 11:51 AM
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I agree on the top notch head unit that ATI puts out. A lot of people like the sc design, I myself do not mind tapping into the oil supply. Also I have seen many ATI headunits that no matter how new they are leak like crazy, no matter how many times they are sent back for new seals and stuff. I like both really. The ATI just lacks in the kit part...leading me to my all time favorite sayin when instaling a procharger "kit"..."The system sucks, BUT the headunit is top notch"

The last one I installed on a 98' c1500 just got the blower and the bracket nothing else, all custom right down to the idler pulley that got changed so I could get more wrap on the 3.1" pulley.
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Old Aug 10, 2005 | 04:43 AM
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thanks so much.Espically get me some. Have a good one.
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Old Aug 10, 2005 | 06:11 AM
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The Vortech can be purchased as a custom kit using the S,T or Ysi trim.
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Old Aug 10, 2005 | 08:47 AM
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My Mom has a vortech on her 01 WS6 M6. It made 490 RWHP on a rock stock motor, through the stock manifolds, with 7 psi.

Now it's an 04 LS6 block, forged rods, forged pistons (10.0:1 comp), micropolished crank, valve springs, and retainers . It should be done by the end of the week. She's looking for 525+ out of her daily driver.

She had the engine rebuilt because a wrist pin walked out of a piston and gouged the **** out the cylinder liner. It doesn't look like it had anything to do with the Vortech unit.

She's never had an ATI unit, but she is very happy/impressed with the Vortech. The car has been dead reliable (other than the wrist pin issue) and actually picked up about 2 mpg with the Vortech kit.

So basically, +1 for satisfied Vortech customer.
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Old Aug 10, 2005 | 03:26 PM
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ATI:
Pro's
Self contained supercharger
Better mounting location (inlet-wise)
Con's
No f%cking flow maps
Certain head units surge because of above reason
Service and tech suck
Did I mention no f%ucking flow maps

Vortech
Pro's
Silent Drive Option
Provides Compressor Maps
Con's
No self contained option
Inlet direction (over headers)

With that being said, I prefer the vortech head units because of the available compressor maps, silent drives, and better step up. However, I chose and ATI head unit for my personal car solely for the mounting location. It is much easier to fab tubing too and from.
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Old Aug 10, 2005 | 04:27 PM
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I went Vortech because of the SQ and of the 100% complete kit they have.
The tune they provide is not bad at all also.
The only real negative point is that the unit + piping are on top of the engine picking up all the engine heat.
I think many people are scared of drilling the oil pan: that was the easiest part of the install (15 min job!).

Isn't it cute?
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Old Aug 10, 2005 | 08:05 PM
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So what does it take to upgrade my head unit on my vortech. Its the base model with cooler?
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Old Aug 10, 2005 | 11:47 PM
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Originally Posted by BlackNiteWS6
Well i think the reason the ATI kit is used more because the P1SC1 flows about 1200cfm and the D1SC flows about 1400cfm. The Vortech unit only flows 850cfm and cost alot more to upgrade a Vortech unit that flows even close to the D1SC. I like the fact that the ATI unit doesn't use engine oil as well. Thats probably the biggest reasons why ATI out sells Vortech. But they are both great kits.

Den
Actually the Vortech S-trim unit that comes with the GTO kit flows 1000cfm.
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