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07-12-2006, 08:23 PM
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FALCON HELL!!!
Join Date: May 2005
Posts: 5
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Hey can anyone tell me if a VCT Head will bolt onto a standard AU2 Block? Is there any advantages? I can get a Head from an AU3 XR6, just want to know if it worth me getting it?
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07-12-2006, 08:36 PM
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Spin 'em Habib !
Join Date: Jul 2005
Location: Cranbourne Victoria
Posts: 3,854
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pfft , Casper will brainwash you lol !!
I assume VCT would be Better , but thats alot of Farting around , wouldnt you need new Computers and CAI Plumbing ?
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AU2PWR |
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07-12-2006, 08:37 PM
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Regular Member
Join Date: Jul 2005
Location: melbourne
Posts: 255
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It should bolt straight on however wouldn't provide any benefit unless you were able to get the VCT working through the ECU somehow.
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Ice Mint Silver BA 02 XT Typhoon airbox/snorkel/lower duct K&N panel filter 2.5" Redback, high flow cat, Pacemaker headers 178.3rwkw 15.18 @ 95.72 MPH |
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07-12-2006, 08:42 PM
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Spin 'em Habib !
Join Date: Jul 2005
Location: Cranbourne Victoria
Posts: 3,854
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Quote:
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AU2PWR |
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07-12-2006, 10:09 PM
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FF.Com.Au Hardcore
Join Date: Sep 2005
Location: Belmont, WA
Posts: 1,301
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Not sure why but VCT engine has got different engine mounts... not sure if that means there is a difference in the blocks as well?
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07-12-2006, 10:10 PM
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Back to the AU
Join Date: Jul 2006
Location: Sydney
Posts: 485
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What are you trying to achieve by bolting in a VCT head?
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2001 Ford AUIII Falcon XR8 Manual - Can't get enough of the AU 2001 VW Bora V6 4Motion - If I squint it almost looks like a Sierra Cosworth |
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07-12-2006, 10:16 PM
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#7 | |||
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Spin 'em Habib !
Join Date: Jul 2005
Location: Cranbourne Victoria
Posts: 3,854
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Quote:
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AU2PWR |
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08-12-2006, 12:00 AM
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_Oo===oO_
Join Date: Dec 2004
Location: Canberra
Posts: 1,471
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Quote:
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COURAGE - ENDURANCE - MATESHIP - SACRIFICE
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08-12-2006, 09:48 AM
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FF.Com.Au Hardcore
Join Date: Sep 2005
Location: Belmont, WA
Posts: 1,301
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NFI but like I said they have different mounts
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08-12-2006, 10:25 AM
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FF.Com.Au Hardcore
 
Join Date: Dec 2004
Posts: 12,083
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Its an identical block and bottom end so yes, the VCT head would bolt straight on.
That said.. why would you want to do it? To make it even remotely worth while you would need a VCT ECU or something to trigger the VCT mechanism, along with all the wiring to get it done. Then you get stuck with a head that has had almost no development work done on it in the last 7 years and is only now beginning to get aftermarket cams and mods avaliable... at a premium cost. Seriously, as I keep saying, unless the car came with VCT then the conversion has more bad points then good.
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Older, wiser, poorer. Now in Euro-Trash. VW Coupe V6 4motion.
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08-12-2006, 10:28 AM
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TL40 Wagon?
Join Date: Dec 2004
Location: Sydney
Posts: 2,377
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The VCT head will bolt up and should work fine. Without the VCT switch enabled in the ecu the would have the same power as a VCT engine peak 172rwkw.
The difference is the VCT solenoid advances the cam from 1200-3800rpm giving more mid range. it runs retsred for idle and for high rom power. This means the idle is crap without an ecu (XR6, Ghia) that compensates for this with a higher idle speed and differentr mixture. Make sure you get the oil supply pipes for the VCT with the head and then a simple jaycar rpm switch can be built and installed to make it work wit the std ecu not having to know about it. |
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08-12-2006, 11:46 AM
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Regular Member
Join Date: Nov 2006
Posts: 37
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Quote:
Casper.... who do you know of that has done any development work for a vct head and cam? i have been looking around for months but am suspect of every performance shop i have talked to. i dont want to be the ginea pig, i want whats going to work with the vct operational. its not rocket science as variable cam timing has been around for many years. so why are tuners so affraid of it? |
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08-12-2006, 11:51 AM
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FF.Com.Au Hardcore
Join Date: Dec 2004
Posts: 12,083
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Quote:
Sometime next year we should take concept to actual for the head and cam and we will see how it goes. My personal opinion is it will be a large step forward however only time will tell. The good thing is that G&D have a lot of experiance in custom design for heads and cams so they have the knowledge to do this, its just me getting the funds to turn that knowledge into something that can be measured. Until then I would rather not speculate what the results would be as I simply dont know.
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Older, wiser, poorer. Now in Euro-Trash. VW Coupe V6 4motion.
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VCT Vs Non-VCT???
Linear Mode
