Potential NF Piston Option??? Engine Experts Help.

passat TS passat_ts at hotmail.com
Fri Oct 4 19:27:28 EDT 2002


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Mike,

This is a concern, and one of the reasons I would like to get new pistons.

I sent an email to the place you suggested, Eurospecsport (they don't have a
phone number in the web site).

They have one in the catalog that would fit my application, bringing the CR=
 to
12.1:1.

However, there is something that puzzles me, and I asked them.

How do they increase the stroke to 92.8 without changing the rod length or
crankshaft?

Thanks for pointing me to their direction,

Carlos.
>From: "Michael Gough"
>To: Quattro at audifans.com
>Subject: Re: Potential NF Piston Option??? Engine Experts Help.
>Date: Fri, 04 Oct 2002 08:15:21 -0700
>
> > pistons). I would have thought that by machining the head would be the
> > easiest way, or perhaps by using a thinner head gasket ( I don't know h=
ow
> > far you need to go) like from http://www.headgasket.com , they do copper
> > gaskets in 0.22 inch thickness. I hope that helps
>
>Machining the head is a great way to get compression from most engines (I
>have a head for my Alfa that gives about 12:1) But on the 5 cylinder, if y=
ou
>take too much off, you might not be able to tension the timing belt! Not
>good :) You might be able to find a different belt the right length, but w=
ho
>knows...
>Just something to watch out for
>Mike

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