Date:         Sun, 24 Oct 1999 19:33:02 +0200
Reply-To:     Per Lindgren <lindgre@ONLINE.NO>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Per Lindgren <lindgre@ONLINE.NO>
Subject:      Re: Questions for the Engine Builders Re: high lift rocker arms
Content-Type: text/plain; charset=us-ascii

CARY CHIANG wrote:

>
> I seem to recall that a VW magazine this spring did an article on high lift
> rocker arms (maybe Fast German's?) on a modified Bug motor.

VWTrends & Fast German Auto put in ratio rockers in August 1998, p.56, on a 2,1
Vanagon engine. It says in the text that FGA estimates about 10% power gain over
stock, which again is ca. 10 hp.


Bob Donalds wrote:

>
> www.http:/menbers.tripod.com prelindgrin/

That was a bit wrong :-) Try http://members.tripod.com/perlindgren/



EMZ wrote:

>   Maybe an easy way to answer this is: Why didn't VW do this from the
> factory? IF it was as easy as, a bolt on item, they would have.

Well, the factory has to consider plenty more circumstances than just plain power.
The engine has to have longevity (relatively spoken), it has to meet exhaust
emissions, fuel consumption standards, be good for operating temperatures from at
least -40 to +50 C, etc. and mostly, not be too expensive. In addition, it wasn't
necessary. Just ask those who drive 50 hp diesels or 60 hp 1,9s! With the power
parts from the Beetle being well into its third and fourth decade, I bet VW tried
ratio rockers at one time, definitely! I know they even supercharged the 1,9 WBX,
which made 155 hp.

Its just at the end of these power hungry 90s people find it necessary!

PerL
87 Syncro 112i