Date: Tue, 28 Jun 2011 01:56:29 -0700
Reply-To: Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM>
Subject: Re: I4 Happenings in turbovans land
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hi ..
I have joined a few thousand engines to their transmissions.
They are almost always made to just fit and mate one way ..
in a nice solid manner.
now it could be that the adapter used .......to mate with a waterboxer bell
housing is funky or a poor design and you have to be extra careful ..I can
get that.
but ...'normally' ..
take the diesel bell housing ..
two nice big dowels in the block ..
5 or 6 12mm diameter bolts hold the two together.
I don't care if it's upside down and underwater....
there is no way to get it wrong.
waterboxer bell housings, on the other hand ..
or weird , compared to 'regular cars' .
there's no locating dowels. ( how do they get away with that ? )
there's just a lip.
the four studs/bolts, as I mentioned earlier are 10mm diamter ..but they sit
in three 12mm holes in the bell housing and one 14mm diamter hole..
and those don't have any alignment problems....
as weak as that is. That style of engine to trans mating by VW goes back to
the very first air-cooled Bugs I believe....and it's been good enough for
non-diesel van engines........like wbxr's and air-cooled.
but then you add an adapter ..
which means four more fasteners , so eight total . If I get to take this
one apart and I find something noteworhty or done poorly ....I'll report my
findings.
'cause normally' ...you can't put that junction together wrong really.
Perhaps they don't have a very good locating arrangement. Like
engine-to-trans relationship is not tightly controlled..
like it is with a diesel vanagon bell housing. I see lots of conversion
parts I don't think are so well designed . Don't get me started on that !
----- Original Message -----
From: "neil n" <musomuso@gmail.com>
To: "Scott Daniel - Turbovans" <scottdaniel@turbovans.com>
Cc: <vanagon@gerry.vanagon.com>
Sent: Tuesday, June 28, 2011 12:40 AM
Subject: Re: Re: I4 Happenings in turbovans land
On Tue, Jun 28, 2011 at 12:09 AM, Scott Daniel - Turbovans
<scottdaniel@turbovans.com> wrote:
> both being out of the van won't make a difference. ...they're not telling
> the whole story there at all.
Possibly. I can't see what the rest of the story would be. But then I
have far less experience in these matters.
All I can figure is that somehow, *they* figure there's stress
introduced into the drivetrain if the engine and transmission are
installed separately that somehow exacerbates the vibrations already
present. But that's obviously a "shot in the dark" guess.
--
Neil n
65 kb image Myford Ready For Assembly http://tinyurl.com/64sx4rp
'81 VanaJetta 2.0 "Jaco" http://tubaneil.googlepages.com/
Vanagon VAG Gas I4/VR Swap Google Group:
http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines
