<VV> 3.1 liter

[BBRT]

Minor correction:  92 mm gives 3.0 L while 94 mm cyl give 3.1 L. Assuming of 
course, the crank shaft stroke remains late model stock of 2.94.

Chuck S
----- Original Message ----- 
From: "Cliff Tibbitts" <tibbitts at qx.net>
To: <virtualvairs at corvair.org>
Sent: Wednesday, April 25, 2012 9:43 AM
Subject: Re: <VV> 3.1 liter


> Tom, I suppose you could call it a kit.  Several people are doing it.
> Essentially, you replace the pistons and cylinders with 92mm pistons from 
> a
> VW.  It is not a simple bolt on application.  The cylinder fins need to be
> re-drilled in order to fit over our head studs.  The crankcase and heads
> need to be machined to accept the larger pistons and I believe the small 
> rod
> ends on our connecting rods need to be machined to accept the VW piston
> pins.  There is probably more to it than that.
>
> What many claim to achieve is more low end torque.  This alone should make
> it a worthwhile investment in a Whale.  The only concern I would have 
> would
> be additional heat.  I don't know how well the engine cools in an Ultra.
> However, they seem to work very well in the cars.  I know several and have
> driven at least one car with a 3.1 in it.  Consider this.  You pick up 
> about
> an additional 15% cubic inches.  Since the weight of the rotational mass
> increase is almost negligible, it is like getting free horsepower.  That 
> is
> if you discount the $2000 plus dollars for the conversion, depending on 
> how
> much work you do yourself.
>
> Cliff Tibbitts
> Lexington, KY
>
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