Re: What makes a 2.0 a 2.0?

[kiMike <vwvr6r@fiber.net>]

Mike, I must say that you never cease to amaze me.  How the hell do you
know all this stuff anyway?  Keep up the excellent service...!

-Mike

> "Basically" they are the same but your friend is half right.  It's
> Bore & stroke that are different.  All the 1.8's have a 86.4mm stroke
> & a 81mm bore
> The 2.0's have a 92.8mm stroke & a 82.5mm bore.  The funny thing is
> both 1.8 & 2.0's use the same length rod's 144mm.  They (VW) get's
> away with using the same rod's on both by changing the wrist pin
> height of the pistons..
> The NEW 2.0's that come in the A3's are the same bore & stroke as
> eariler 2.0's but use a 165mm rod,  thus producing smoother torque &
> better top end revvibility than the shorter 144mm rod 2.0's.
> 
> To figure out the displacment you take the Bore 82.5 X Bore 82.5 X
> Stroke 92.8 X Pie 3.14 = 1984cc.  Rounded up is a 2.0.  1.8's are
> 1780cc.
> 
> There are a few other things that are different in the 2.0's.  Oil
> pumps are 36mm gears & are clearenced for #4 rod not to hit.  The
> intermediate shaft is also clearenced.  The block was also "bubbled"
> for the increased stroke to clear.
> 
> HTH
> 
> Potterman
> Michael Potter
> VIRTUAL WORLD PARTS
> http://www.parts4vws.com
> sales@parts4vws.com
> (714) 663-2434
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