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redgti2
Occasional Poster


Location:
geelong
Registered:
November 2002
cams cams cams Wed, 06 August 2003 12:58 Go to next message
I drive an AE92 GTI hatch. my question is regarding getting more HP (arent they allways). And im currently looking at the cams. I have the specs for TRD 4age cams (mild ones). Is it possible to get stockers ground to this spec, coz if they have a longer duration....how can i grind it to be bigger??? im confused. Or would it be beter to go with after market cams...if so who/where/price's. and what else needs to be done.

keep in mind i only want them to be mild. I still need to it be reasonably drivable Smiley =

[Updated on: Wed, 06 August 2003 13:28]

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turbocamry
Regular


Location:
newcastle
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June 2003
 
Re: cams cams cams Wed, 06 August 2003 14:41 Go to previous messageGo to next message
yeah go talk to camtech cost u about $100
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trent_kershaw
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Location:
Canberra
Registered:
September 2002
Re: cams cams cams Thu, 07 August 2003 00:15 Go to previous messageGo to next message
basicaly they weld the cams up, then regrind them, so it doesn't matter what the lift or duration is
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wilbo666
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Location:
Brisbane
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May 2002
Re: cams cams cams Thu, 07 August 2003 02:24 Go to previous messageGo to next message
I heard somewhere?? that bigger cams on the stock ECU wasn't much of a gain? Does anyone know anything about that?

Cheers
Wilbo
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trent_kershaw
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Location:
Canberra
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September 2002
Re: cams cams cams Thu, 07 August 2003 02:43 Go to previous messageGo to next message
You can't do anything too dramatic with cams on a standard ECU because it won't be able to run it. It'll prolly run too lean, and I heard there is some other issue with it too.
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ed_ma61
Forums Junkie


Location:
Lost in the K hole
Registered:
May 2002
Re: cams cams cams Thu, 07 August 2003 02:53 Go to previous messageGo to next message
good luck getting camtech to stellite grind a set of 4age cams for $100 Laughing Rolling Eyes Laughing Rolling Eyes

maybe add a zero

but you gotta realise anyway - adding a cam does one thing, gives power at higher rpm (except for the lift which is across the band), and unless youve done exhaustive mods to the engine to let it rev above its factory redline, youre just asking for trouble.

then theres issues with SUB and shim spitting, valve springs, piston clearances etc etc etc

also the ecu will have dramas mainly if the engine is MAP sensored, there are less issues is its an AMF based system. fuelling will become an issue at high rpms, and also if flow is that much increased that the factory fuel map just craps its pants
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cswan
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Location:
Melbourne
Registered:
May 2002
Re: cams cams cams Thu, 07 August 2003 07:50 Go to previous message
What he said.

I've fitted HKS 272 cams to my AE92 map sensored and it runs like a bucket of .... Well, not so good. Either too rich at idle or flatspots under acceleration.

Bring on the Motec M4.... then zoooooooooooooooom.
Cool
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