Thats the way the Honda system works. BMW & several others use the variation in the
timing rather
than the lift.
--
Ritchie Williams
Manager - Design Technology
Vertex Pacific Limited
696 Te Rapa Rd
Private Bag HN3044
Hamilton
New Zealand
ph 64 7 8493 999
fax 64 7 8498 764
e-mail [EMAIL PROTECTED]
[EMAIL PROTECTED] wrote:
> Could be wrong...
> But I thought the oil pressure activates the rockers for the lobes required?
>
> Iggy Sandejas
> Sydney NSW
> Datsun 1600 FJ20t
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, 26 September 2001 14:06
> To: [EMAIL PROTECTED]
> Subject: Re: Varable Cam Timing
>
> The honda V-tec system has two lobe profiles ground side by side for each
> valve. The whole camshaft slides forward or backward using engine oil
> pressure to change from the mild to wild profile.
>
> Nick
> >
> > From: "Williams, Ritchie (Vertex
> Hamilton)"<[EMAIL PROTECTED]>
> > Subject: Re: Varable Cam Timing
> > Date: 26/09/2001 15:39:37
> > To: [EMAIL PROTECTED]
> >
> > James
> >
> > The most common way I've seen is a chain/belt tensioner on the tight side
> of the chain/belt
> > activated by a hydraulic cylinder.
> >
> > As the cylinder pushes the tensioner the tight side of the chain/belt
> effectively becomes shorter
> > therefore advancing the cam timing. As the revs go up the more the cam
> advances. This is all
> > controlled by the engine computer.
> >
> > There are other variations on this theme.
> >
> > --
> > Ritchie Williams
> > Manager - Design Technology
> > Vertex Pacific Limited
> > 696 Te Rapa Rd
> > Private Bag HN3044
> > Hamilton
> > New Zealand
> > ph 64 7 8493 999
> > fax 64 7 8498 764
> > e-mail [EMAIL PROTECTED]
> >
> >
> >
> >
> >
> >
> > James Cox wrote:
> >
> > > Ok I know this is a little off topic, but does anyone know how VCT
> physicaly
> > > works? Yes I know about the benifits of advanced timeing at higher
> revs, I
> > > was just curious how they do this mechanicly in the new engines.
> > >
> > > James Cox
> > >
> > > _________________________________________________________________
> > > Get your FREE download of MSN Explorer at
> http://explorer.msn.com/intl.asp
> > >
> >
> >
>
> This message was sent through MyMail http://www.mymail.com.au
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