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
> > 
> > 
> 
> This message was sent through MyMail http://www.mymail.com.au
> 
> 


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