Probably not.  But I learned from a porsche builder.... you want to be
certain when closing up a 928 motor, what with 4 cams and 32 valves....
   I was told it allows the stress to disperse a little...kinda made/makes
sense, can't hurt

On Nov 22, 2016 6:38 PM, "Alistair Bell" <albell@shaw.ca> wrote:

> Hardly really matters when there is a rubber gasket between surfaces. Any
> particularities between the metals pale in significance with the great
> amount of squish in the rubber gasket
>
> Alistair
>
> > On Nov 22, 2016, at 4:23 PM, Don Hanson <dhanson928@GMAIL.COM> wrote:
> >
> > I think I used 15, but I don't really remember... I did regularize my
> > pattern as I tightened... I may have even done the pan up half-torque and
> > let that sit overnight, then torqued it tight... I do that when alloys
> and
> > steel meet.... something I was taught...
> >
> >> On Nov 22, 2016 3:32 PM, "Neil N" <musomuso@gmail.com> wrote:
> >>
> >> So the gas ABA 2.0 engine oil pan bolt spec is significantly higher
> >> than Vanagon 1.6 NA diesel but I think both engines use aluminum front
> >> and rear crank seal carriers; 2 or 3 oil pan bolts thread into each
> >> carrier. Bentley manuals for oil pan bolt torque spec....
> >>
> >> Vanagon diesel: 7 ft lbs
> >> VW Fox 1.8 gas: 15 ft lbs.
> >> Mk3 2.0 gas: 15 ft lbs. Getting close to that value felt really wrong
> >> though the rubber gasket at windage tray compresses a bit.
> >>
> >> http://forums.tdiclub.com/showthread.php?t=76249  for Mk4 TDI: 11 ft
> lbs
> >> Haynes manual for the Mk2 gas engines show a spec for Allen head bolts
> >> and a higher spec for cap type bolts.
> >>
> >> I'm going to use 10 ft lbs for Allen head bolts.
> >>
> >> Neil.
> >>
> >>
> >>
> >>> On 11/17/16, Don Hanson <dhanson928@gmail.com> wrote:
> >>>
> >>> Mine was single flat washers.  Be careful with the torque....
> >>
> >> --
> >> Neil n
> >>
> >> Blog: Vanagons, Westfalia, general <http://tubaneil.blogspot.ca>
> >>
> >> 1988 Westy Images <https://picasaweb.google.com/musomuso/New1988Westy>
> >>
> >> 1981 Westfalia "Jaco" Images, technical <http://tubaneil.googlepages.
> com/>
> >>
> >> Vanagon-Bus VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>
> >>
>
>