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Few Qs about ATI setups...

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Old Nov 12, 2004 | 01:28 AM
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Question Few Qs about ATI setups...

First off... Ive been doing searches lately... reading a ton on here and have found the answers to some Qs.. now need help with these.

Ok..

1)
The pulley system thats offered with the ATI kits... Ive been reading that they have been improved on... how do they work currently? Does ATI offer a optional 8 rib when you buy the kit?

2)
SDCE.. I found their site.. but has a few dead links on it, including the one on the tensioner. How much is their 8 rib upgrade and is it worth it?

3)
ATIs twin SMICs... how well do they work? Is it worth it to upgrade to a single FMIC? I have a hook up on a FMIC that will work if I decide to go that route... will ATI sell the kit minus the SMICs?

4)
Will a ATI kit work with a ASP pulley? What do I need to retain the ASP pulley?

I think thats it... thanks in advance!

Oh yeah.. anyone have any ATI P1 or D1 dyno sheets I can look at? Thanks again.
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Old Nov 12, 2004 | 02:14 AM
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If you go to the 'other' forum all of your questions will be answered by one of the sponsors on that forum (many times).

The 8 rib is standard on the 1-DSC 8psi kit according to the sponsor.

Another company with same name 'ATI' makes a pulley and it can be undersized or standard. The ATI Procharge pulley bolts onto the ATI pulley.
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Old Nov 12, 2004 | 03:24 AM
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Originally Posted by Avengeance
1)
The pulley system thats offered with the ATI kits... Ive been reading that they have been improved on... how do they work currently? Does ATI offer a optional 8 rib when you buy the kit?

2)
SDCE.. I found their site.. but has a few dead links on it, including the one on the tensioner. How much is their 8 rib upgrade and is it worth it?

3)
ATIs twin SMICs... how well do they work? Is it worth it to upgrade to a single FMIC? I have a hook up on a FMIC that will work if I decide to go that route... will ATI sell the kit minus the SMICs?

4)
Will a ATI kit work with a ASP pulley? What do I need to retain the ASP pulley?

I think thats it... thanks in advance!

Oh yeah.. anyone have any ATI P1 or D1 dyno sheets I can look at? Thanks again.
1. The new 8 rib setup is the same price as the 6 rib setup and its optional as far as i know. U will only have to buy an ATI(another company) superdamper to hook the crank pulley to it. They improved it by increasing the the crank pulley to 7.65" hence running larger supercharger pulleys and reducing the amount of belt slip. For example if a 6 rib setup need a 3.40 SC pulley to make 8psi, the new 8 rib setup needs 4.40 or so on a 8 rib setup to make the same amount of boost.

2. Just go with the new ATI 8 rib setup and u will be fine. I know few people who are running 15psi on it with no problems.

3. From what i have seen especially in the corvette forums they get up to 40rwhp gain just from chaning the intercooler setup when they are making over 500rwhp. If u are making less than that dont bother changing to a FMIC.

4. I dont think the 8 Rib ATI will work with the ASP. U can just sell it and get your self an ATI superdamper instead of it and u are ready to go.


Good luck.
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Old Nov 12, 2004 | 04:15 AM
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I bought my ATI D1SC a year ago. It didn't come with the 8rib. ATI said if I wanted it it would cost more.
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Old Nov 12, 2004 | 04:18 AM
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Originally Posted by WS-6_2002
I bought my ATI D1SC a year ago. It didn't come with the 8rib. ATI said if I wanted it it would cost more.

They told u it will cost more because u bought the 6 rib already. Im saying if someone wants to buy a ATI SC now he will have the option between the 6 rib or the 8 rib at no extra cost. I bought my 8 rib ATI with no extra charge. Actually ATI made a mistake and sent me the 6 rib and when i called them about it... they sent me a 8 rib conversion for free since they made the mistake from the first place. What a great customer service.

Last edited by LSs1Power; Nov 12, 2004 at 03:19 PM.
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Old Nov 12, 2004 | 02:57 PM
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Thank you very much for your responses.... much appreciated.

LSs1Power... about the FMIC.. I should be making right at 500rwhp after the install. Im making at or a tad higher then 400rwhp NA.... do you think a FMIC would benefit me?
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Old Nov 12, 2004 | 03:04 PM
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I don't doubt you'll get to 500rwhp with 8psi or so on the D1 but remember you can't add the supercharger power to your 400rwhp now. Because once tuned for the blower you won't be making near that much without it. Your timing will be much lower and such so that if you were to take the blower off and dyno you'd be much lower than you are now HP wise.

Don't blow up fool. I don't wanna hear you bitch. Hahaha
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Old Nov 12, 2004 | 03:12 PM
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Originally Posted by Avengeance
Thank you very much for your responses.... much appreciated.

LSs1Power... about the FMIC.. I should be making right at 500rwhp after the install. Im making at or a tad higher then 400rwhp NA.... do you think a FMIC would benefit me?
Im in the same boat as u now.... My car made 538rwhp running out of fuel at 6000rpm and 7psi only. We are installing the 60lb injectors and PR dual springs and we are going to take it to 6700rpm 9psi which could yield a 570rwhp or so. I'm going with the FMIC soon (LS1Speed are putting a kit together for us ATI's users to be a direct bolt on), but since the weather is cold now, i might just do it when the weather heats up and when i see my IAT going up. I was also thinking about running water/alky injection with my setup which would cool the air charge and raise the octane to a safer level which allow u to run even more boost/timing on the stock bottom end and also keep your bumper support. The nice thing about some of these kits are they come on at a certain boost level so a galon will last u a long time if u dont pass lets say 8psi.
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Old Nov 12, 2004 | 03:18 PM
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Originally Posted by F8L Z71
I don't doubt you'll get to 500rwhp with 8psi or so on the D1 but remember you can't add the supercharger power to your 400rwhp now. Because once tuned for the blower you won't be making near that much without it. Your timing will be much lower and such so that if you were to take the blower off and dyno you'd be much lower than you are now HP wise.

Don't blow up fool. I don't wanna hear you bitch. Hahaha

I think he will make more than 530rwhp with his setup running 8psi. Mine made 538rwhp running a really messed up AF (leaned out at 6000RPM) and really low timing. Mine was making 385rwhp 378rwtq before the 7psi and it made 538rwhp 482rwtq at 7psi at only 6000rpm. That is a gain of 153rwhp and 105rwtq not forgetting 500-700rpm still are not used and about 2 more psi to be had.

Last edited by LSs1Power; Nov 12, 2004 at 03:32 PM.
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Old Nov 12, 2004 | 03:31 PM
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Originally Posted by Avengeance

Oh yeah.. anyone have any ATI P1 or D1 dyno sheets I can look at? Thanks again.
Here is a dyno graph of my best pull before the SC with the cutout open VS one of the pulls with the SC when we had to shut around 6000rpm because the car was leaning out fast.
http://www.msnusers.com/CarsRelatedG...oto&PhotoID=54

This graph shows u the AF for the SC pull against the best pull before the SC.
http://www.msnusers.com/CarsRelatedG...oto&PhotoID=55

Looking at this AF there is alot of power left on the table, but we didnt bother tunning the car all the way because we needed injectors. The 42lbs were working over 100% Duty cycle. Also usually a SC will move your peak power up to 400rpm so we should have taken this car to 6700rpm. Im going to get an update when we tune the car again and take it all the way to 6700rpm. We are also going to try the cutout to see if we gain anything with a blower car.
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Old Nov 12, 2004 | 03:34 PM
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Hey Ls1power would you reccomend that fms cam you are running with your blower? How is the street driveability? I am getting ready to have almost the exact same setup as you.
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Old Nov 12, 2004 | 03:41 PM
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Originally Posted by badeSST
Hey Ls1power would you reccomend that fms cam you are running with your blower? How is the street driveability? I am getting ready to have almost the exact same setup as you.

It is a really good cam... drives like a TR224 114LSA, but it has a deeper exhaust note to it due to the 230 exhaust side. My car idles at 800rpm and had no problems at all. I gained 44rwhp with this cam N/A and now with only 7psi i gained 150rwhp which is really good especially with a untuned car. We are trying to finish the car this week, so i will post the final results when we are done.

U can check the dyno graph for the cam before and after. http://www.msnusers.com/CarsRelatedG...hoto&PhotoID=8
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Old Nov 12, 2004 | 06:53 PM
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Once again, thanks for your help...

F8Lfoolio... I know it technically wont be a 400rwhp NA anymore after a new tune. I dont let everything you tell me go in one ear and out the other. Just some of it...
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Old Nov 12, 2004 | 07:06 PM
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Originally Posted by Avengeance
Once again, thanks for your help...

F8Lfoolio... I know it technically wont be a 400rwhp NA anymore after a new tune. I dont let everything you tell me go in one ear and out the other. Just some of it...

You SOB! LOL

If I move into this new condo I may end up puttin an STS kit on the T/A. Just a base kit nuthin special but you better watch out foo!

Dave's gonna get back to me on what kind of deal i can get.
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Old Nov 12, 2004 | 07:09 PM
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Or you can just buy my buddies polished vortech 9lb kit with aftercooler (air to water) for $5000 shipped. He paid $5800 for this kit back in july and never installed due to changing plans. This kit comes standard with an 8 rib setup (including dampner) Here's the link to his ad:



http://www.ls2.com/forums/showthread...hreadid=136092

He bought this kit over the ATI for Vortech's rep of being reliable and he didn't even imagine of going over 600hp.
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Old Nov 13, 2004 | 07:35 AM
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Originally Posted by Potent68
Or you can just buy my buddies polished vortech 9lb kit with aftercooler (air to water) for $5000 shipped. He paid $5800 for this kit back in july and never installed due to changing plans. This kit comes standard with an 8 rib setup (including dampner) Here's the link to his ad:



http://www.ls2.com/forums/showthread...hreadid=136092

He bought this kit over the ATI for Vortech's rep of being reliable and he didn't even imagine of going over 600hp.

UMMM NOOOO Dont do it........ ha ha
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