'89 200T block question

[Alan Pritchard]

Well, yes, id like to fit low cr pistons, but was never sure if they would
fit. The cost of a turbo motor in the uk is quite high, and even a bottom
end. Plus if I got hold of a bottom end, it would mean taking my car off the
road for a while, but if it were a case of a piston swap, this would be
quicker.

Best Regards,
Alan Pritchard

Network Administrator
Mechanical Design Engineer
Seaeye Marine Ltd.
+44 (0)1329 289000

 -----Original Message-----
From: 	Denis [mailto:sparkplugvw at hotmail.com] 
Sent:	26 May 2004 15:07
To:	quattro list
Subject:	Re: '89 200T block question

I tought use my MC-1 block with  with the 2.3 head..... Ben is doing similar
project...

My 90  is 2.3 not 2.22. The 2..2 in on my 5000TQ 1987.... 2.15 on 5000T
1985.

You  want to use 200TQ pistons on the 2.3 NA block right ? to lower the
CR...

Dennis

----- Original Message -----
From: Alan Pritchard <apritchard at seaeye.com>
To: 'DePenning, Charles [EPM/MTN]' <Charles.DePenning at EmersonProcess.com>;
<quattro at audifans.com>
Sent: Wednesday, May 26, 2004 9:39 AM
Subject: RE: '89 200T block question


> Id be very interested on keeping up to date on this, I looked into a
similar
> operation, using low comp pistons in my 90q. as I have the ng head (big
> valves) and kv bottom end (supposedly oil squirted) it was a logical
> decision to use this engine and turbo charge it.  There was an issue I
> recall with different big end sizes between the turbo and na engines, my
90
> is 2226 cc so it shares same bore and stroke of some of the turbo engines,
> but the main issue was with rods, ie bearing sizes, either at the small
end
> or big end, there may also be an issue with rod length, I don't completely
> recall. But I would still be very interested in finding out if the pistons
> are compatible, if you have your 200 engine apart, would you be able to
take
> some piston and rod dimensions please. Ie conrod bearing sizes, and
distance
> between eyes. And on the pistons, the top of piston to gudgeon pin. Then
> perhaps I can find some 90 engine specs.
> Thanks.
>
> Best Regards,
> Alan Pritchard
>
> Network Administrator
> Mechanical Design Engineer
> Seaeye Marine Ltd.
> +44 (0)1329 289000
>
>  -----Original Message-----
> From: DePenning, Charles [EPM/MTN]
> [mailto:Charles.DePenning at EmersonProcess.com]
> Sent: 26 May 2004 14:28
> To: 'quattro at audifans.com'
> Subject: '89 200T block question
>
> I recently acquired another donor patient, a late '89 200T (MC2) with a
> 'ventilated' block- #1 rod broke and poked a hole through the case right
by
> the ac compressor.  I'd like to use this as a donor vehicle to provide
parts
> for a '89 90q turbo swap.  The question is a matter of block
> interchangeability.  Could I use the block from the 90q, hone it, drop
lower
> compression pistons in in place of the 10:1 pistons originally in there
and
> be done with it?  Or is the block for the '89 200T sufficiently different
> enough that it would not work?  I figure there are the oil-squirters for
> piston cooling, and maybe the bosses for the dual knock-sensors are not
> there.  Any other differences (like the displacement?) that I am
> inexperienced enough to not know about?  Would this be FrankenAudi?
>
> Or, does anyone have an appropriate block that I could take off their
hands
> on the cheap?
>
> TIA!
>
> Charley DePenning
>
> '01 XJ
> '89 90q
> '89 200T
> '84 4kQ
> '83 5kT
> '73 C10
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