<VV> Changing Things

[harryyarnell]

A YR motor is (was) a turbo, BUT it could be a 62-3 (145) or a '64 (164).
The bore on a '64 is 3.44". Guess what....




-----Original Message-----
From: virtualvairs-bounces at corvair.org
[mailto:virtualvairs-bounces at corvair.org] On Behalf Of Gary Berry
Sent: Monday, June 24, 2013 3:32 PM
To: Virtual Vairs
Subject: <VV> Changing Things

Hey All;

   I have a reverse-rotation Corvair engine in my fiberglass dunebuggy. I'm
pretty sure that I sanded it the last time out at Pismo Beach. I have pulled
the barrels and rings. I went to check the end gap on the rings, and they
just fall through the barrel. Oh, this engine has a YR on it's id number
which indicates it's a 145ci(?). I have measured the pistons, and they come
out to 3.44 inches on the diameter which is strange to me cause the book I
have says it should be 3.1 or close to that. Anyway, I have another engine
(164ci) here that runs good and I'm thinking about swapping the barrels and
rings from it to the reverse-rotation engine if the pistons are the same
size. Any problems with this idea? If need be, I can also swap the rods and
pistons over and throw some new rod bearings at it. I really don't want to
split the case. Just wondering. Thanks.

GaryB in Prosser, WA
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