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08-07-2007
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#1 |
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Join Date: Jul 2005
Location: SLOVENIA,EU
Posts: 126
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zr1 SECONDARY PORT VACUUM ACTUARY
Anybody want sell to me or tell me where can buy part #1996743 ???
thanks,Jano 
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08-07-2007
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#2 |
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Guest
Posts: n/a
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Re: zr1 SECONDARY PORT VACUUM ACTUARY
GM should still have them. But the failure rate on brand new ones is roughly 75%. I typically will order a dozen at a time.
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08-07-2007
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#3 |
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Join Date: Jul 2005
Location: SLOVENIA,EU
Posts: 126
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Re: zr1 SECONDARY PORT VACUUM ACTUARY
yes , it is true I chaned them 12kmiles ago , and both are now with holes , they are made in mexico i think so I didnt want to belive ----AGAIN same mistake under plenum , but it is also true that Im running with haibeck chip all the time on 400hp....
Kurt save me again =D> Jano |
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08-08-2007
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#4 |
 
Join Date: Dec 2003
Location: Chicagoland,IL
Posts: 2,679
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Re: zr1 SECONDARY PORT VACUUM ACTUARY
Just take the complete secondary system off and you won't have to worry about finding or buying expensive parts.
Problem solved.  And you will pick up about 6-8 horsepower with no driveability issues.
__________________
'91 #1635 PoloGreen 350 LT5 11.09 @ 129.27 11.04 @ 128.86 474RWHP 400RWTQ http://www.youtube.com/watch?v=SFNFOhGGlR4 http://www.youtube.com/watch?v=ZlRIOMwaDYY https://sites.google.com/site/peteszr1garage |
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08-08-2007
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#5 |
 
Join Date: Jul 2007
Location: Las Vegas
Posts: 298
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Re: zr1 SECONDARY PORT VACUUM ACTUARY
Without pulling the throttle blades, what do you do? Wire the blades open?
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08-09-2007
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#6 |
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Join Date: Jul 2005
Location: SLOVENIA,EU
Posts: 126
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Re: zr1 SECONDARY PORT VACUUM ACTUARY
just blades open and disconetting vaccum ? What will ECM say ?
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