Re: Performance head question

[Mash <type53@yahoo.com>]

--- Curt Voss <curtv@eudoramail.com> wrote:
> A while back I picked up a ported & polished
> big-valve (40mm/35mm)

A normal big valve head has 40/33 valves.

 head with a G-grind cam and
> adjustable sprocket. It's been gathering dust in the
> shed, but now I have a lifter clattering I'm
> thinking this might be a good time to swap it on.
> Hopefully I'll also be putting on an Audi 5000
> throttle body with the intake manifold ported to
> match. It's going onto an '82 Scirocco which
> currently has a 1.8L 8V with a K&N air filter and
> mild exhaust (Techtonics downpipe/cat/2" cat-back
> pipes/Porsche 944 muffler), everything else (motor,
> CIS, ignition, etc.) is stock.

1.8 is not stock for an '82 - exactly what motor is
it?
(1715 cc is stock)
> 
> So my question is... how will this head affect my
> gas mileage and how much will it hurt my low-end
> performance?

I assume you have a 1.8 with the big head valve (JH?),
if so a properly ported head would I GUESS be the same
or better mileage.



=====
Mark Peele
1985 Scirocco, 1982 Scirocco, 1981 Scirocco, 1978 Scirocco, 1987 Golf GT
http://www.scirocco2.de/mark.htm
Direct Mail: SCIROCCO_GTX@YAHOO.COM
Need parts? try http://www.parts4vws.com/ (Potterman)
or http://www.germanautoparts.com/ (Adirondack)

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