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Re: [T3] Fastback motor buildup (cooling systems)


<x-charset iso-8859-1>Hello-

> > The late T1 system is pretty good, however the
> > late T1 still isn't ideal as cylinders 1 and 4 get cooler air than 2 and
3.
>
> You lost me here. Could you explain why this dual diagonal result comes
> about?

The cyl banks are offset, with 3/4 forward (FIF) of 1/2.  The fan shroud,
however, doesn't follow this offset.  Rather, it kinda-sorta splits the
difference.  The rearward cylinder of the forward bank (4) and the forward
cylinder of the rearward bank (1), therefore, will sit closer to the
centerline of the fan shroud than the rearward cylinder of the rearward bank
(2) and the forward cylinder of the forward bank (3).  Take a look at a T1
engine with the tin all installed except for the main shroud itself and
you'll see what I mean...

Take care,
Shad Laws
LN Engineering - Aircooled Precision Performance
http://www.LNengineering.com


>
> -
> *******************************
> Jim Adney, jadney@vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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