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www.VNCommodore.com Support Forums
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 Technical Modifications
 VX Supercharged V6
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hsv_babe
Fully Licenced


cart046

269 Posts

Female

 
Posted - 07 Oct 2010 :  4:33:35 PM  Show Profile  Visit hsv_babe's Homepage  Click to see hsv_babe's MSN Messenger address Send hsv_babe a Private Message
 
Hey everyone, just after some feedback/ideas/advice about something. After driving a mates VX last night, the thought has popped back into my head about doing a VX S/C V6 conversion on my vn. Has anyone heard of anyone who has done this before, what needs to be changed, pro's con's sort of thing would be great. Just an idea at the moment but one i could be very keen in going ahead with
 

I'd gladly push my holden than drive a bloody ford!
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Mechknight73
National Driver


robot-robot14

1001 Posts

Male

Posted - 07 Oct 2010 :  7:29:39 PM  Show Profile Send Mechknight73 a Private Message
 
I can tell you this started with the VSII. I had the chance to drive a supercharged VS V6, and it could really pull away. First thing to be done is the heads; Ecotec only unless you do something custom built. Externally, there are few differences other than the blower drive poking out from under the Ecotec engine cover. If I remember rightly there's some pulley/mounting changes, and obviously electronics. One thing to remember; the blown Ecotecs were never manuals ex-factory, they were all autos.
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dryVN
Fully Licenced


food-burger

228 Posts

Male

Posted - 09 Oct 2010 :  4:27:56 PM  Show Profile Send dryVN a Private Message
 
A VS Statesman or Calais donor car would be the go.
It would be cheaper than having to track down and buy all the Parts you would need.
I've seen bent cars for about 2-3 grand and with luck maybe heaps less.
As Mechknight73 said the whole top end of the motor is different to the stock Ecotec
not sure about bottom ?? although an Ecotec stock motor with all the supercharged gear on top is possible.
You could also Buy a Raptor Supercharger system for not much more and bolt that to your current V6.
More power is always nice though..lol...especially in your nice car ! , it would perform well in a VN being heaps lighter than all those newer models.
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Mechknight73
National Driver


robot-robot14

1001 Posts

Male

Posted - 09 Oct 2010 :  5:13:31 PM  Show Profile Send Mechknight73 a Private Message
 
The supercharged Ecotec might have different pistons to a stock one (for compression), but Holden took the idea from Pontiac. In 1996/7 there was a car called the Grand Prix GT that featured a front wheel drive supercharged Ecotec (minor differences, but essentially the same engine) The '97 looks a lot like a VT that's been parked too close to a furnace.

The external differences from a stocker all seem to do with bolting the s/c to the intake manifold.

Issues you might have:

Cooling: s/c engines tend to run a little hotter than naturally aspirated engines, so a V8 radiator would be worth doing

Insurance: those tossers at insurance companies will automatically assume you're a hoon if they notice that mod on the renewal form.

Drive bearing: The stock blower has been known to have minor issues with the drive pulleys (sometimes) Regular lubrication will see that one off. Remember, that pulley is Canadian made, so ordering might be a problem. Although you can easily change the amount of boost by changing that pulley. Larger one for less, smaller one for more.
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