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ATI 8# D1SC kit owners

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Old Jan 16, 2003 | 09:05 AM
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Default ATI 8# D1SC kit owners

This poll is for people that have an ATI D1SC kit that they specifically ordered to be 8#s. Just trying to get an idea of what pulley everyone got, because I think mine is wrong (even though they said it was fine).
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Old Jan 16, 2003 | 10:25 AM
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Default Re: ATI 8# D1SC kit owners

Make sure to look on the back of the pulley and it will show there. When I first measured mine, it was 4" edge to edge but you have to measure it inside where the ribs are so mine was actually a 3.6.
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Old Jan 16, 2003 | 05:20 PM
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Default Re: ATI 8# D1SC kit owners

So did yours have 4 stapmed on the pulley? I haven't actually measured mine at the ribs, just going by the number they stamped on it.
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Old Jan 16, 2003 | 08:27 PM
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Default Re: ATI 8# D1SC kit owners

Your build sheet (or packing slip) should show what pulley they put in it. That's assuming you had it, and also that they put the right one in the box after writing a number on the sheet.

Mine is a 3.6, and it makes exactly 8 pounds of boost on an all-stock engine at 5900 rpm's

Mike M
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Old Jan 16, 2003 | 11:56 PM
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Default Re: ATI 8# D1SC kit owners

I am a d1-sc owner but can't help as mine is the 20lb (realy 15lb). and not ls1 car. But I am sure that ATI will fix the problem. They are very good about that gave me 2 pullys and built me a new plate and every gave me a new box a oil. Got to love those guys.
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Old Jan 17, 2003 | 07:45 AM
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Default Re: ATI 8# D1SC kit owners

That's good news to hear. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> I think I'll be calling them on monday. The sheet in the box said 8psi pulley, but on the packing list they scratched out what was there and wrote in 4.00, which is indeed what I have. But it barely eeks out 5 psi at 6k. I thought it was the wrong size to begin with...

Thanks for the help guys.
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Old Jan 17, 2003 | 10:35 AM
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Default Re: ATI 8# D1SC kit owners

I'll trade you my 3.6 for your 4.0 pulley. I'm going with the MMS crank pulley and I'm looking for a 4" - 4.1" pulley. That or I will buy it from you.
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Old Jan 20, 2003 | 08:41 PM
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Default Re: ATI 8# D1SC kit owners

Today I just got a chance to take a look at my blower...

Took a look at the head unit, has a 4.00 pully on it...

I ordered the D-1SC 8lb tuner kit....

What pully are you supposed to kit for the 8psi setup??
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Old Jan 21, 2003 | 07:46 PM
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Default Re: ATI 8# D1SC kit owners

Bigbos, it seems to me that you would need a 3.60 pulley. My D-1SC tuner (8#) came with a 3.6, and it makes exactly 8 pounds at 5,900 rpm on a bone stock engine. I don't see how you will get to 8 pounds with a 4.0 - that would be a trick!

Mike
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Old Jan 21, 2003 | 07:55 PM
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Default Re: ATI 8# D1SC kit owners

Yea, I got the problem solved, Tom over at speed found his old pully off of his car and its a 3.6" so that should work out ok... <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
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Old Jan 22, 2003 | 07:21 AM
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Default Re: ATI 8# D1SC kit owners

rodent: I'm trying to get in touch with ati about my pulley. If they don't want to help me out, then I'll let you know about a trade.
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Old Jan 23, 2003 | 12:33 AM
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Default Re: ATI 8# D1SC kit owners

I thought you guys might find this funny. I got the 8lb kit as well but mine came with a 3.20" pulley. It said on the parts sheet that it was an 8psi pulley. Before my headers I was getting 12psi now I still see 10psi around 6K.

Justin
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Old Jan 23, 2003 | 07:22 AM
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Default Re: ATI 8# D1SC kit owners

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by 1slowCamaro:
<strong> I thought you guys might find this funny. I got the 8lb kit as well but mine came with a 3.20" pulley. It said on the parts sheet that it was an 8psi pulley. Before my headers I was getting 12psi now I still see 10psi around 6K.

Justin </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">That's exactly what happened when I put the 3.20" pulley on... 12 PSI, bought headers and that dropped to 10 PSI.
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