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Re: '83 5kt Engine and head specs
Alan Kramer writes:
> I've been posed with an interesting possibility and wanted to get some
> opinions on it. In searching for an MC motor for transplant into my '83
> CGT, I've come across a 1983 5kt for free. Checking the specs in my 1982
> Audi brochure, I see the '82 5kt has the same size engine (2144) with 79.5
> bore x 86.4 stroke. Interestingly enough, this seemed awfully familiar, and
> sure enough that matches the specs given two columns over for the CGT.
> However, compression for the turbo is given as 7.0 to 1 whereas the CGT is
> 8.2 to 1; indicating to me the difference is in the head. Is this true?
Also likely different pistons, perhaps different crown shape.
> Although in the end (assuming no other modifications which would not be
> true) I'd have a 130 hp CGT instead of 165, it seems this would make the job
> simpler, and damn cheap in comparison considering the donor car would be
> free... (Question: what am I missing here?)
It's that labor v. return question again. If you're going to go through
the trouble of an engine swap, why not go with one that makes more power?
I am convinced that there is really much less work to transplant the 83 turbo
engine than an MC.
> Would it be possible to swap heads between the two engines, use my exisiting
> block and existing CIS (and wiring), and add the turbo, downpipe, related
> parts etc...? Has anyone any experience / documentation on a conversion
> like this?
No BTDT, but the turbo block has oil jets below the piston to cool them.
96 A4 2.8 quattro
84 5000S 2.1 turbo
80 4000 2.0
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