Re: Homemade adjustable cam gear

["John Van Vuren" <veedublu@prod.net>]

>Hmm, that would make adjusting it easy now.  I'm fairly certain
>that the 16v timing belt is wider then the 8v one.  If the teeth
>count & spacing work out, along with turning the end of your cam into a
>bit of cone (if I understand you correctly) the gear would probably
>fit for an 8v...
>
>You'd never catch me fitting a friction holding cam gear to a heavy
>valve trained interference 16v engine though. :)
>
>==Brett

Me either...   and I agree with you about the belts, I think the 16v is
wider...  but diesel belts are pretty hefty too, as they are interference
engines, but I could see machining a keyway into it once I got it set where
I wanted it  :)

John

'87 16v Scirocco
and lots of other stuff
website - http://www.prod.net/jvanvuren/vw.htm


>
>
>
>>Actually, the diesel VW's don't have a key on the cam gear, it's just a
>>tapered fit.  I don't know about belt width, pulley diameter, etc, but
it's
>>worth looking into
>>
>>John
>>
>>'87 16v Scirocco
>>and lots of other stuff
>>website - http://www.prod.net/jvanvuren/vw.htm
>>
>>
>> >>I was told that the older VW diesel cam gears are the same as the 16v.
Is
>> >>this true?  If it is, I plan on making my own adjustable cam gear.  I
have
>> >>access to everything I need to make it and if the diesel cam gears are
the
>> >>same, then I can get them a dime a dozen and practice, and maybe even
sell
>> >>some!
>> >>
>> >>Dave
>> >>77 Rabbit 16v
>> >
>> >
>> >I'm pretty sure this won't work.  The gear would probably be indexed
>> >incorrectly, not to mention belt width, and teeth count/spacing.
>> >
>> >My advice would be to buy one.  EM Sport makes adjustable gears for
>> >both 8v's and 16v's, and sells them for less then most other tuners
>> >want.  They have a machine shop, with computer controlled milling
>> >machines...which is probably a necessity for a job like this.
>> >
>> >You can find a link to EM Sport in the http://www.scirocco.org links
>> >section.
>> >
>> >==Brett
>
>  \/  '84 Scirocco (ITB racer 2B) | "Hot VW's, take two home. They're
small"
>\/\/ '88 Scirocco 16v (Show), '85 Scirocco (Winter) | - brett@netacc.net
>
>


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