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| Forum name | Performance/Engine |
| Topic subject | vacuum at idle |
| Topic URL | https://forums.2gnt.com/dcboard.php?az=show_topic&forum=i5&topic_id=79867 |
79867, vacuum at idle Posted by Blitzsuperstar, Aug-29-04 09:45 PM
search has become ridiculous... i put one thing in and get a million.
what is everyone's vacuum at idle... (naturally aspirated)
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79870, RE: vacuum at idle Posted by Star Turbo Talon, Aug-30-04 01:29 AM
vacuum should be -18 - -20
mine is -21 when warm
Terry 96 Eagle talon ESI Greddy header - Greddy exhaust
97 Eclipse Star Stage II - Boost/oil/EGT gauges - Apexi N1 3" exhaust - SFMU/return line - Apexi SAFC - Stage 2 6 puck Sprung hub MIBA clutch - Shortened shifter - Koni Yellows w/eibach prokit - Stillen Fr/Rr swaybars - ceramic intake - DEI Keyless entry alarm - Niche 17" Shoks
Waiting to be installed: HKS EVC IV, 450 Turbo injectors, GSX Front brakes (need rotors)
Mitchell on Demand copies available
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79878, RE: vacuum at idle Posted by Michael_97RS, Aug-30-04 08:15 AM
I assume you want stock cams, vacuum will change as you change cam profile.

Exile Racing Technologies: http://www.exileracing.com So. All that's left, is... everything - Jesse James
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80444, RE: vacuum at idle Posted by xtrickedeclipsex, Sep-11-04 11:05 AM
I wonder what the vac should be with crower stage 1's. My vac is about 11....To me, its tooo low....I cant find a vac leak anywhere :squint... my timing is perfect also...booooooooooooo --------------------------------------- http://forums.kaptainmyke.com/index.php?act=Attach&type=post&id=32830 "Oh yea, well...My manifold does cool twisty things" Http://www.EnhancedMotorSports.com ...
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80806, RE: vacuum at idle Posted by ConceptIllusions, Sep-20-04 02:36 PM
i run crane #14 turbo grind and the vaccum jumps between -10 and -14 at idle.. when comin down the road and lettin off the peddle it goes to around -20
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80813, RE: vacuum at idle Posted by DJ420a, Sep-20-04 04:00 PM
Same here. Same cams.
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80817, RE: vacuum at idle Posted by eclipsekaiser, Sep-20-04 05:39 PM
My vaccum at idle after it is fully warmed is -16mmhg. Will drop to -20mmhg when suddenly release the throttle. This is with Factory cam profile, on JE piston/ JE rings.
I don't know how some of these other guys running similar set up is managing to pull more vaccum that my other car (97 GST at 18-19 mmHg), or my friend's SR20DE-T set up (20mmHg).
My only guess is due to ring gap? or stock compression?
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80834, RE: vacuum at idle Posted by soulcontroller, Sep-21-04 03:49 AM
mine usually holds steady at 20. before i changed my headgasket and a few hoses it was 17-18. stock cams/gears.
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