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ATI 5# kit question

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Old Dec 24, 2002 | 08:53 AM
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Default ATI 5# kit question

I don't have any LS1 tuners in my area. I am considering the ATI 5# kit from Tbyrnes with custom tuning. Does anyone know what this comes with?

My main concern is that my engin will be reliable after all is said and done, that is why I am looking at a 5# kit. Thanks for any info!

Tommy <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
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Old Dec 24, 2002 | 11:54 AM
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Default Re: ATI 5# kit question

I'm pretty new to this FI stuff but I can tell you my experience with the Tbyrne ATI "kit". I got the ATI 7 PSI P-1SC kit. It is the same as the 5 PSI kit but it has the 3.4" blower pulley instead of the 4.10" and it also comes with 38# injectors. The tuning is done by Ed Wright (mail in your PCM). I installed the kit myself (if I can do it anybody can do it). I took the car for dyno testing with wideband O2 and the tuner at the shop said the tuning was right on. Not everyone has had the same luck with the tuning and every car is different. I was very careful with the car before the dyno testing (i.e. I stayed out of the boost) just to be safe. We also found that the stock fuel pump wasn't keeping up very well and I am putting in an inline aux. pump (but the car was over 500rwhp so you probably won't have to worry about it).

If you are sure you aren't going to up the boost in the future go with the 5 PSI "kit." Otherwise, it may be cheaper to buy the "tuner kit" with injectors and fuel pump and just run a 4.10" blower pulley on it. Also, remember our '00 cars have smaller injectors (26# I think) than other years. No matter what you do, you should get the car dyno'd with wideband after the install. Where in N.Y. are you? East Side Service in Wallingford, CT can do the dyno testing as well as LS1edit tuning if you need it.

<small>[ December 24, 2002, 01:39 PM: Message edited by: Ken G ]</small>
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Old Dec 24, 2002 | 01:40 PM
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Default Re: ATI 5# kit question

I'm in Lower Westchester County, NY. I'm about a 15 minute drive from Stamford, CT.

Is East Side a well known place for this kind of thing?
Another stupid question: How to they do a wideband test? Do they connect wideband O2s temporarily to the car?

How long has your system been installed?
Do you love it? <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

Thanks for the info!

Happy Holidays!

Tommy <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

<small>[ December 24, 2002, 01:42 PM: Message edited by: TaTommyWS6 ]</small>
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Old Dec 24, 2002 | 01:52 PM
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Default Re: ATI 5# kit question

How long did it take you to install it by yourself?
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Old Dec 24, 2002 | 10:23 PM
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Default Re: ATI 5# kit question

Tommy,

You might want to contact NoGo (he does their tuning) on this board to get more specific answers. They did my wideband with just a tailpipe sniffer. The kit has been on my car for about a month and so far everything has been great. I haven't been to the track with it yet (waiting for my rollcage to come in) but I'm hoping for some good times.

BIGBOS,

I'm not really sure how long the install took because injectors, gauges and the blower kit all came at different times and I installed them as they came in. It took me one evening each to put the gauges and injectors on and a weekend to put the blower on. I took my time with the blower and would guess that it took me (a novice) about 10 hours of actual working time. Also, my inline fuel pump hasn't come in yet but I'm guessing that will take me a couple of hours too.

-Ken
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Old Dec 25, 2002 | 11:11 AM
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Default Re: ATI 5# kit question

Ken,

I pretty much have the same setup you do except I have a A4. I'm looking at the 5-7# ATI from TByrne as well. I've seen a few guys having troublr with surging even after they relocated their MAF before the blower. Did you have any surging issues? I will also send my PCM to Ed even though I have EDIT. Ed seems to have the FI programming down. He did Mike M.'s car from NY and he ran 10.70's with the Vortech 8# kit. But I just wanted to see if the ATI kit has a problem with surging.
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Old Dec 25, 2002 | 02:46 PM
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Default Re: ATI 5# kit question

02BlackWS6,

I haven't had any problems at all with surge. When I coast up to a light it does take a little longer for the RPM's to drop down to idle than before but just by a second or so. I have to admit I was pretty nervous about the mail in tuning but Ed Wright got mine almost perfect on the first shot.

-Ken
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Old Dec 26, 2002 | 10:03 AM
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Default Re: ATI 5# kit question

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by TaTommyWS6:
<strong>I'm in Lower Westchester County, NY. I'm about a 15 minute drive from Stamford, CT.

Is East Side a well known place for this kind of thing?
Another stupid question: How to they do a wideband test? Do they connect wideband O2s temporarily to the car?

</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I will be taking care of the majority of the tuning and dyno tune at the shop if you decide to bring your baby down.

Well known? I don't think we're famous (yet), but I have done more FI cars than I can count. I do imports as well (which are nothing but turbo's and Superchargers), but specialize in the LS1 engine. I do nothing but SAFE tunes. A broken car doesn't run any ET <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
If you are a little leary about bringing your car down, give us a call, and check out the shop first. I would be more than happy to walk you through our entire process.

Good Luck,
Kevin
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Old Dec 26, 2002 | 02:40 PM
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Default Re: ATI 5# kit question

Kev..whats up man.

Tatommy.. bring it down, Kevin is **** hot and will have your car safe but tuned to the max.

Guys the surge might be because the throttle body is not drilled out for more air. Bring the car to Eastside, you will leave very pleased.

<small>[ December 26, 2002, 02:43 PM: Message edited by: scott ws6 ]</small>
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Old Dec 26, 2002 | 03:11 PM
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Default Re: ATI 5# kit question

Hey NoGo,
Thanks for the info! I feel much more confident about taking the FI route with my car. I will definitely see you when the time comes. I have to scratch together a few more bucks for this one!
Also, should I not bother getting the "tuning kit" when I order the system, or should I still get and you can fine tune it?
And Thanks everyone for the info. Have a great Holiday!

Tommy <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

<small>[ December 26, 2002, 03:29 PM: Message edited by: TaTommyWS6 ]</small>
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Old Dec 26, 2002 | 03:54 PM
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Default Re: ATI 5# kit question

Tommy, see if you can get the inj but no tuning. If you cant then just get the kit and order your own inj and Kev will do the edit for you .
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Old Dec 26, 2002 | 04:01 PM
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Default Re: ATI 5# kit question

The don't think the 5# kit comes with inj.. Maybe I should just get the #7?

In any case, is it "safe" to drive without the tuning? Do I just have to take it easy until I get it tuned?

My main concern is not to destroy my engine. It has abour 35k miles, and I want to get a lot of life out of it, if possible <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

Thanks again for all the info!

Tommy <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
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Old Dec 26, 2002 | 04:07 PM
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Default Re: ATI 5# kit question

I drove my 5 psi with no tuning for ever until i went to 7. If I was to do it again id order the D1 for the extra money and get the 3.6 pulley and inj and then have EASTSIDE tune it. they will come and get the car if you couldnt drive it there Im sure. they are out that way all the time. Cant hurt to ask.
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Old Dec 26, 2002 | 10:25 PM
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Default Re: ATI 5# kit question

Personally, I would just get the 7# kit. With the proper tune the upped boost can be safely run.
Additionally, I like the extra 'boost buffer' to ensure you don't undersize your blower during future modding (it never stops you know <img border="0" alt="[Burnout]" title="" src="graemlins/burnout.gif" /> )

It is sketchy whether or not you can drive an FI car around on the stock tune. It depends on the year / make of the car, and the kit you are using. If you have to upgrade the fuel system, then usually, you can't drive it.

On a year 2000 F-body, I wouldn't get on it with the kit installed and the stock tune. The 2000 F-bod's have the smallest fuel system, and one of the most aggressive timing tables; Two very big negatives when adding FI to your car.

If you have any questions, feel free to shoot me an email
kevin.t.hagerty@power.alstom.com

Good Luck,
Kevin
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