[V8] Re: [A8] V8 Displacement

[Theron J. Bliss]

Ya, the good news, is I have a shop with lift, and power and air tools.  I'd do
what I could myself.  Thanks.

"Horace K. Sawyer" wrote:

> Well, thats a tall order.  : )  You could do plan one:  do a head job only
> where they are removed.  The air passageways of the intake manifold and
> head are ground out, polished smooth, and shaped to improve air flow.  Now
> *how* it is done can be subject to debate.   It is probably possible to
> remove material in the wrong place, take out too much material, not enough,
> or otherwise disturb the air flow, all of which may actually worsen
> things.  Generally, you see some improvement unless the shop doing it is
> completely and hopelessly lame.  Some posit the theory that airflow
> surfaces should be roughed in some areas to create turbulence, swirl the
> air to more or less mix it up -- all for the purpose of obtaining a fuel
> mixture that will burn more efficiently, ergo more power.
>
> Plan two:  do all that, plus remove the engine, pull the crankshaft, rods
> and have all that balanced perfectly.  It seems that stock cranks are not
> perfectly balanced.  Perfecting this has been known to produce marvelous
> results, with longer engine life, and of course increased power.
>
> Expense:  I haven't the foggiest -- but you see it would be substantial
> unless you are doing much of the labor yourself on the remvoval and
> installation.
>
> hk
>
> At 09:57 AM 3/1/01 -0500, Theron J. Bliss wrote:
> >      Ok, here's my chance to sound like a complete retard.  I was
> >curious about a couple of aspects to increase output of my 3.6 liter
> >motor.  I have heard that porting and polishing, and blue printing and
> >balancing would greatly improve the output and response of my motor.
> >Here are my questions on that:
> >What is involved in doing this?
> >Will it really make much difference?
> >What kind of costs should I expect?  (will I have to sell my kids?)
> >
> >     Secondly, I had heard that the 3.6 and 4.2 liter motors have the
> >same block.  Does this mean I can get 4.2 heads, and bolt those onto my
> >motor, and have a 4.2 with 270 +/- hp?
> >Do cams do much for these motors?
> >
> >TIA (from a guy who obviously has no clue.  Hey, I've been a 4 banger VW
> >guy all my life)
> >
> >Theron J. Bliss
> >Massachusetts
> >1990 V8 Quattro
> >198,000 miles
> >Lago Blue, Grey Connolly leather
> >
> >http://sites.netscape.net/theronbliss/homepage
> >
> >
> >
> >
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