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guys w/ aftermarket cams, what is your idling vacuum

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Old Apr 26, 2005, 05:08 AM
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13 with 272's
Old Apr 26, 2005, 06:25 AM
  #17  
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Hi,

Solid 18 inHG with stock cams.

Now solid 15 inHG with Buddy Club 264i/272e, stock cam gears, custom dynoflash.

I have a slight lope, not sure it will pass emissions... I saw that someone with 264/272 and cam gears got the idle upto 17 inHG. Does "higher" vacuum mean a cleaner idle? It would seem so. I guess I can get cam gears if I have problems.

Thanks,

FB
Old Apr 26, 2005, 06:46 AM
  #18  
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30cm Hg or 11.8" Hg with HKS 280s - better than some others with smaller cams.
Old Apr 26, 2005, 07:03 AM
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-.47 bar on 272/264's
Old Apr 27, 2005, 02:28 AM
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-.4 bar with 264/272. Idles like stock 800-840rpms.

Last edited by GREDDY; Apr 27, 2005 at 02:31 AM.
Old Apr 27, 2005, 03:36 AM
  #21  
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18 stock
15 HKS 264/272 at 0/0 (closed loop)
Old Apr 27, 2005, 07:29 AM
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15 inhg with HKS 264's
Old May 4, 2005, 06:44 AM
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12-13 inhg 272s
Old May 4, 2005, 03:53 PM
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12-13in/Hg on 272/272 (-4/-1) at 6100ft ASL.
Old May 4, 2005, 07:38 PM
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Am I the only person to be pulling 20" w/ stock cams??? I will let you know what my vac is after my GSC 272/264 setup goes in.
Old May 5, 2005, 05:55 AM
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you should of asked if people have raised their idle at all....which is common to help smooth things out. I have 272's with 15in/hg but I did raise the idle about 100rpm over stock.
Old May 5, 2005, 06:04 AM
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-.5 ~ -.6 bar manifold pressure with 264's and a Works p2 flash.
Old May 5, 2005, 08:16 AM
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13-15in/hg GSC's 272/264
Old May 5, 2005, 01:00 PM
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16 Hg with HKS 272/272

Stock was around 23 Hg
Old May 5, 2005, 02:51 PM
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16 ish highway. 12 at idle.


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