[Vwdiesel] Free wheeling alt pulley WasRe: Re undersized pulleys-1.5 engine

Hayden Chasteen dieseltdi at verizon.net
Thu Aug 28 11:56:36 PDT 2008


As far as pulleys and alternators are concerned, my 04 Jetta TDI actually 
has a pulley on the Alternator that freewheels at certain speeds thereby 
reducing the load on the engine.  I guess since there is minimal electrical 
usage on diesels they decided to save a bit.  Hayden

"Those who would sacrifice Liberty for Security, deserve neither Liberty nor 
Security." B. Franklin
"This country would be a lot easier to run if it were a dictatorship....as 
long as I was the Dictator!" Pres. George W. Bush
----- Original Message ----- 
From: "travis gottschalk" <tgott at hotmail.com>
To: <vwdiesel at vwfans.com>
Sent: Thursday, August 28, 2008 1:41 PM
Subject: [Vwdiesel] Re undersized pulleys-1.5 engine


>
> With the under sized pulleys it is suppose to help with horse power since 
> the engine doesn't have to work as hard to turn as many revs. It shouldn't 
> hurt anything other then maybe your alternator won't have enough revs to 
> have power at idle. But this is more of a performance thing for someone 
> looking to squeeze every last bit of HP out of there engines that have a 
> water pump, power steering pump, AC, large alternator etc (what ever else 
> is on the newest engines out there). For a simple vw engine I don't think 
> it would be worth the time and money to get it done.
>



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