Diesel are different.
-----Original Message-----
From: Chalmers, Ryan [SMTP:[EMAIL PROTECTED]]
Sent: 13/11/2001 13:19
To: '[EMAIL PROTECTED]'
Subject: RE: V-6 or 4cyl?
or how about this the nissan patrol 3L 4 cylinder turbo diesel puts out over
300nm where the old 2.8 6 cyl motor wouldn't come close to that and I don't
think it is because of the 200 cc.
Ryan
> -----Original Message-----
> From: Andrew Greenbury [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, 13 November 2001 1:53 pm
> To: [EMAIL PROTECTED]
> Subject: RE: V-6 or 4cyl?
>
> yep i agree with your reasoning nick
>
> andrew
>
> > Just guessing...
> >
> > It would come down to
> > 1. volumetric efficiency (intake swirl, compression ratio, chamber shape
> etc..)
> > 2. Bore (the larger the piston area - the larger the force on the conrod
> to the crank)
> > 3. Stroke ( the longer the stroke the larger the torque <turning force>
> at the crank)
> > 4. Firing order/sequence
> >
> > The 2 Litre 4cyl would probably have bigger piston diameter AND longer
> stroke than 2 Litre V-6 .
> > Only one cylinder can fire at a time so it looks like the 4cyl is the
> grunty one
> > BUT
> > The 6cyl has more OVERLAP so after one cylinder fires the next one in
> sequence fires sooner than in a four cylinder.
> > If the volumetric efficiency of both engines is the same then I would
> expect the 4cyl to have the higher torque output per cycle and <just
> guessing> max. torque measured on dyno.
> > When averaged out though (by the flywheel) the 6cyl has the smoother
> torque curve and could be the winner.
> >
> > Food for thought
> > Nick
> > 1979 Datsun Stanza
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> > > Sent: Tuesday, 13 November 2001 11:32 AM
> > > To: [EMAIL PROTECTED]
> > > Subject: V-6 or 4cyl?
> > >
> > >
> > > Hey All,
> > >
> > > Does anyone know whether it is the number of cylinders or the capacity
> of an
> > > engine that determines it's torque?
> > >
> > > That is would a 2l V6 have more torque that a 2l 4 cyl??
> > >
> > > Iggy (dreaming again) Sandejas
> > > Sydney NSW
> > > Datsun 1600 FJ20t
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