1.9L TDI crankshaft Q.

[marc_scirocco at sympatico.ca (marc_scirocco)]

Thanks Dan,

I will be using an Audi 8V head, so the 8V pistons will have decent CR.

Here is something else I was thinking, would a thicker copper head gasket
work?
<<http://www.headgasket.com/index.html>>

Cheers.

Marc
'83 Scirocco
'97 A4 Q

> -----Message d'origine-----
> De : Dan Bubb [mailto:jdbubb@ix.netcom.com] 
> Envoy? : 28 d?cembre 2004 17:56
> ? : marc_scirocco; 'Scirocco-L'
> Objet : Re: 1.9L TDI crankshaft Q.
> 
> Off the top of my head......
> The longer stroke will push the piston higher in the bore by 
> half of the difference in stroke. Stock pistons already come 
> as close to the head as is feasible, so one of three things 
> needs to happen.
> 1. Shorter rods by half the difference in stroke. (95.5 (I 
> think) -92.8)/2=1.35mm 2. custom pistons with the pin located 
> 1.35 mm higher towards the crown.
> 3. machine 1.35 mm off the tops of the pistons. This sounds 
> easy, but the top ring is then 1.35mm closer to the fire and, 
> especailly in a turbo engine, might not be a good idea.
> 
> Plus I bet the block and perhaps the intermediate shaft will 
> need to be clearanced to clear the connecting rods, but this 
> is just a guess on my part.
> 
> I'm guessing that if you're putting 8V pistons under a 16V 
> head then you're thinking low compression and TURBO!
> If that's the case, I'd blow off the TDI crank and let the 
> turbo boost make the torque.
> 
> Dan
> 
> ----- Original Message -----
> From: "marc_scirocco" <marc_scirocco@sympatico.ca>
> To: "'Scirocco-L'" <scirocco-l@scirocco.org>
> Sent: Tuesday, December 28, 2004 5:19 PM
> Subject: 1.9L TDI crankshaft Q.
> 
> 
> > I have the opportunity to buy a 1.9L TDI crankshaft.
> >
> > I am building a 9A motor with 83mm 8V pistons and stock rods.
> >
> > With a 2.1L motor, the Scirocco would have lots of TORQUE...
> >
> > What is involved to fit this longer stroke crankshaft?
> >
> > Any experience, opinions, hersay?
> >
> > Cheers.
> >
> > Marc
> > '83 Scirocco
> >
> >
> > _______________________________________________
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> > Scirocco-l@scirocco.org
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> 
>