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3 psi of boost on a 7lb pulley...WTF

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Old Mar 23, 2003 | 10:05 PM
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Default 3 psi of boost on a 7lb pulley...WTF

anybody ever have trouble making advertised boost pressure with there ATI kit? everything stock except borla exhaust.
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Old Mar 23, 2003 | 11:27 PM
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Default Re: 3 psi of boost on a 7lb pulley...WTF

Well it all depends on what other mods are done to the car, if you put the kit on a stock car it will make those advertised boost #'s w/no problem...
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Old Mar 24, 2003 | 05:26 AM
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Default Re: 3 psi of boost on a 7lb pulley...WTF

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by camarogod98:
<strong> anybody ever have trouble making advertised boost pressure with there ATI kit? everything stock except borla exhaust. </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Everything stock? I'd be looking for a leak on the intake tract, and then the usual S/C belt slip issues... I'd would imagine S/C owners get mighty tired of belt issues...

SC-
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Old Mar 24, 2003 | 07:07 AM
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Default Re: 3 psi of boost on a 7lb pulley...WTF

That has happened on mine and a few others on the board. ATI seems to be shipping the d1sc tuner kits for 8# with a 4.0" pulley. Problem is, it only makes 5#. I emailed them and they said I need a 3.7 or 3.6" pulley to get the 8#. The people that got the 3.6" pulley made 8# at the begining (LS1Bird comes to mind I think). They said they'd set me up with the right pulley, but I've decided to plan for the future and get the bigger crank pulley now from mms.

And I've got a stock motor just like you, even with the borla too! <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
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Old Mar 24, 2003 | 08:39 AM
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Default Re: 3 psi of boost on a 7lb pulley...WTF

The MMS crank pulley with the 4.00 or 4.10 ATI SC pulley is a VERY smart idea. That should SIGNIFICANTLY reduce chances of belt slip AND reduce stress.

Problem is, I've heard the MMS pulley is not being produced. Is it just a long delay or did they scrap the idea?
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Old Mar 24, 2003 | 05:27 PM
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Default Re: 3 psi of boost on a 7lb pulley...WTF

I heard you can't run over 10psi due to belt slip. Any truth to this?
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Old Mar 24, 2003 | 06:33 PM
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Default Re: 3 psi of boost on a 7lb pulley...WTF

Here is what I plan to do, I'm gonna go through ASP..

7.85" crank pully 8 rib setup w/belt
then I need to call ASP and ask them what blower pully size I need to get 12psi for a "street setup"...this is obviously when I do the new motor, not sure when thats gonna take place..

Last I heard there was a big back order for these parts...
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Old Mar 24, 2003 | 08:37 PM
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Default Re: 3 psi of boost on a 7lb pulley...WTF

I hadn't heard about stopping production, just long delay. I asked about 5 weeks ago, and they said 2 weeks. After 2 weeks I asked again and they said 2 weeks. They also said the second time that they were going to fill existing orders first out of the next batch so I placed an order online. I just emailed them friday but haven't gotten a reply.
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Old Mar 28, 2003 | 01:40 AM
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Default Re: 3 psi of boost on a 7lb pulley...WTF

Booost, it can and might not happen it all depends if you get lucky or not. Most of the time there is a issue with this so we just upgrade to the cog belt system.
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Old Mar 28, 2003 | 01:47 AM
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Default Re: 3 psi of boost on a 7lb pulley...WTF

You can run 10+ PSI for $450

The ASP crank pully 8 rib, ASP blower pully 8 rib, and the belt all cost that much...

And you can get any size you want for the amount of boost you want to run...

Cogs setups are going for $1500
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Old Mar 31, 2003 | 07:33 PM
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Default Re: 3 psi of boost on a 7lb pulley...WTF

You should take a look at these pulleys. Most of the Renagade Mustang guys swear by them to get rid of belt slippage!
http://reichardracing.com/ultra_grip_pulley.htm

<img border="0" alt="[driving]" title="" src="graemlins/gr_driving3.gif" />
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