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guys w/ aftermarket cams, what is your idling vacuum

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Old Apr 25, 2005, 09:12 PM
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guys w/ aftermarket cams, what is your idling vacuum
just wondering what idling vacuum do u guys get before and after changing cams.
Stock = ~16inHg
272/264=~10inHg
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Old Apr 25, 2005, 09:13 PM
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Im at about 12-13inHg with 264/272
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Old Apr 25, 2005, 09:15 PM
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I was around 11 inHg w/ 272's on the stock turbo. I haven't really looked at where it is at w/ the big turbo.
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Old Apr 25, 2005, 09:16 PM
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dryad001: how does your exhaust sound? Lopey...missing a beat kind of sound?
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Old Apr 25, 2005, 09:20 PM
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running works 269 cams with p2 flash-10-12Hg at idle after warm up.
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Old Apr 25, 2005, 09:27 PM
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Originally Posted by SlowCar
dryad001: how does your exhaust sound? Lopey...missing a beat kind of sound?

Sometimes it does that for a few seconds until the ecu catches up then it is stock like. On the other hand my friends evo has a really bed lop to it with the same cams, and I think thats because of the injector scaling
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Old Apr 25, 2005, 09:29 PM
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with my 264's and all my other mods (below) im running 13-15 vacuum
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Old Apr 25, 2005, 09:56 PM
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hey guys whats the conversion to bar? I'm running @ -.5 idle with 272/272.
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Old Apr 25, 2005, 10:01 PM
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None, it's physically not possible to have vacuum.
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Old Apr 25, 2005, 10:09 PM
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with my 280's, its right at 10hg
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Old Apr 25, 2005, 10:25 PM
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Originally Posted by BSREVOLUTION
with my 280's, its right at 10hg
How is the brake pedal on your car after the cams?
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Old Apr 25, 2005, 10:28 PM
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.6 bar with 264's
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Old Apr 26, 2005, 04:46 AM
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stocker cams 16-17
264/264 14-15
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Old Apr 26, 2005, 04:54 AM
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with 272 cams I have 14-15hg
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Old Apr 26, 2005, 05:05 AM
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17-17.6 inhg @900rpm w/ 264/272. Cam gears set at -2/0
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