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272/264 cams Idling bad?

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Old Sep 16, 2005, 11:40 AM
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272/264 cams Idling bad?

After installing my 272/264 Cams my car shakes alot at idles and the RPM stays around 800 and goes up to 1000 then it drops to 800 again and so on. I fell that the RPM is going down really fast. I was wondering is that normal? or what can i do to fix it. I browse on the forum for a while and coulnt find any info.

For reference here are my mods.

255 Walbro Fuel Pump
Cam gears -3
HKS bov Version 1
Helix DP
Helix HF Cat
HKS exhaust
HKS RS intake
EIDS HKS Type K
MBC set at 21 psi





Thanks for any help.
Old Sep 16, 2005, 11:42 AM
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Flash or Some sort of EMS should help
Old Sep 16, 2005, 11:49 AM
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Flash will definatly help, my idle bounced around until i got flashed, now it idles perfect, never drops. Could it be your cam gear settings? I'm using stock gears.
Old Sep 16, 2005, 12:31 PM
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what kind of cams?
I have the buddy clubs same setup and .... it idles bad even after it was tuned, and they said the buddy clubs do that. there not a smooth cam such as the hks.... oh well my mistake.

live and learn
Old Sep 16, 2005, 01:24 PM
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I have the HKS cams. Also my car is already flashed by Vishnu. I was hoping that after the flash everything would be fine but im still having the BOV stalling problem and the cams shaking my car at idle. I dunno if thats normal on all tunnings... (btw when vishnu where dynoing my car the bov hose got loose and we find out after the tune... could that affect the tunning or it doesnt matter?

Last edited by CannabisEvo; Sep 16, 2005 at 01:27 PM.
Old Sep 16, 2005, 01:31 PM
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I would check all the vaccum lines to make sure they are all connected. I have 272 cams in my car but the idles doesn't jump around like your's

Tom
Old Sep 16, 2005, 02:10 PM
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Every car I've see with the 272/264 combo idles just fine. I will be using this setup soon.

Old Sep 17, 2005, 02:42 AM
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my gsc 272i/264e has a real nice lopey idle on stock ecu
Old Sep 17, 2005, 02:50 AM
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abner!!!!
Old Sep 22, 2005, 12:50 PM
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Why do some people use 264i and 272e and others use 272i and 264e? What is the difference? TQ...WHP....driveability....top end power.....low end power....
Old Oct 1, 2008, 03:19 PM
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Originally Posted by 05evoGSR
Why do some people use 264i and 272e and others use 272i and 264e? What is the difference? TQ...WHP....driveability....top end power.....low end power....
+1
Old Oct 1, 2008, 04:29 PM
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a tune will help.
Old Oct 1, 2008, 11:35 PM
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Originally Posted by 05evoGSR
Why do some people use 264i and 272e and others use 272i and 264e? What is the difference? TQ...WHP....driveability....top end power.....low end power....
i would like to know this one also
Old Oct 1, 2008, 11:52 PM
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From what I remember, the stock cams have a staggered duration setup for the Intake and Exhaust. I would imagine that logic would follow to some to keep that staggered setup while using the stock turbo.
Old Oct 22, 2008, 02:21 PM
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Originally Posted by 05evoGSR
Why do some people use 264i and 272e and others use 272i and 264e? What is the difference? TQ...WHP....driveability....top end power.....low end power....
bump I would like an answer to this as well

Last edited by awdcomplex; Oct 22, 2008 at 04:11 PM.


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