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Crank timing pulley ?'s
Sigh. Let's go through this again:
engine bore stroke
1.5D 76,5mm 80,0mm
1.6D 76,5mm 86,4mm
1.9D 79,5mm 95,5mm <<---- this includes TDI
1.6G 79,5mm 80,0mm
1.7G 79,5mm 86,4mm
1.8G 81mm 86,4mm
2.0G 82,5mm 92,8mm
As you can see, diesel blocks get their displacement from long strokes.
The biggest I4 diesel block VW has marketed in North America to date
(1.9L) STILL only uses the same bore as a 1.6 gas block. They have long
strokes in order to compress the intake air into a small space so it's hot
enough to ignite the fuel that gets injected into it... :)
You CAN stroke a 2L (presumably with some block clearancing) by using the
1.9 crank at 95,5 to get 2042.
To make a long story short, TDI pistons are only an upgrade for a 1.6 gas
engine, and there they'll likely net you in the range of 14:1 or 15:1
compression ratio.
Drew
On Mon, 20 Oct 2003, Patrick Bureau wrote:
> no the jh crank cannot be used, find a TD crank and tdi pistons
>
> ATS - Patrick Bureau
>
>
> ->-----Original Message-----
> ->From: scirocco-l-bounces@scirocco.org
> ->[mailto:scirocco-l-bounces@scirocco.org]On Behalf Of Jeff Toomasson
> ->Sent: Monday, October 20, 2003 8:13 PM
> ->To: scirocco-l@scirocco.org
> ->Subject: Crank timing pulley ?'s
> ->
> ->
> ->Julie's thread about the crank timing pulley got me thinking that
> ->I didn't remember seeing the crank timing pulley when I picked up
> ->my 3A last week. Came home and sure enough it's not there. >:(
> ->
> ->Guess I'll have to whip out the ETKA, but does anyone know if the
> ->pulley from another engine will translate to a 3A? (praying a JH
> ->will work) On a good note, the key recess is in perfect condition!... :-/
> ->
> ->thanks, Jeff
> ->
> ->
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