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On 21 Dec 97, Curt Dilday wrote:
> Everyone's always told me that the 1641, while easy and cheap, isn't
> a good idea, and that anything less than a 1776 is a waste of money.
> The main concern is that the increased displacement is achieved by
> boring out stock jugs larger, which decreases the thickness of the
> cylinder walls and causes problems with heat transfer. On the other
> hand, I've known a few people with this setup, and they've had no
> complaints so far. These motors seem to have more off the line
> torque, but little if any improvement in upper rpm performance. I
> personally would keep a stock size motor and perhaps add a mild cam
> or make head flow improvements rather than do this "upgrade".
Gene Berg makes a big point of how the drop-in oversize P/C sets will
give you some obvious performance improvements, but they all tend to
start having too much blow-by between 5k and 10k miles. In general,
no knowledgable shop suggests the oversize drop-in sets
Jim
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Melissa Kepner Jim Adney
Laura Kepner-Adney
jadney@vwtype3.org
Madison, Wisconsin
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