Date:         Tue, 18 Sep 2001 11:12:28 -0700
Reply-To:     Dan Snow <dieselvanagon@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dan Snow <dieselvanagon@HOTMAIL.COM>
Subject:      Re: TiiCo Update
Content-Type: text/plain; format=flowed

My diesel expert buddy claims that his rebuilt rabbit diesel vibrated until
he attached the two counterweights that attach to the alternator bracket and
the inside of the front bumper(?). YRMV

Daniel Snow
PhD Student
UC Berkeley

'82 Vanagon Diesel
'78 Puch Maxi Luxe Moped
'01 Xootr Scooter



>From: Max Wellhouse <maxjoyce@IPA.NET>
>Reply-To: Max Wellhouse <maxjoyce@IPA.NET>
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: TiiCo Update
>Date: Tue, 18 Sep 2001 11:51:48 -0500
>
>This vibration was my primary complaint of our 77 Rabbit we owned.  Yes,
>around 4k.  Let's see, what engine did that Rabbit have in it?
>
>DM&FS
>----- Original Message -----
>From: "Bill Knight" <bill.knight@USA.NET>
>To: <vanagon@GERRY.VANAGON.COM>
>Sent: Tuesday, September 18, 2001 7:39 AM
>Subject: Re: TiiCo Update
>
>
> > That vibration is my primary complaint with the TiiCo conversion.  In my
> > situation, the vibration occurs under heavy acceleration.  In fact, it
> > resonates all the way up to the shift lever an makes it buzz!
> >
> > If you find out any solutions, please post them.  I do love the added
>power
> > of the conversion but hate the vibration.  I also need to change the
>muffler
> > because it sounds awful through the stock system.
> >
> > Bill Knight
> > Raleigh, NC
> >
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]On Behalf
>Of
> > Gary Stearns
> > Sent: Tuesday, September 18, 2001 8:23 AM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: TiiCo Update
> >
> >
> > Following is a message I sent to Peter at TiiCo this morning.  Thought
>it
> > might be useful reading for other TiiCo-ists.
> >
> > Hi Peter:
> > Our SA engine has been in and running well for about 1500 miles.  22 mpg
>and
> > it goes!  Ours you might recall also has the Weddle 5 speed attached to
>it.
> > What a spectacular combination.   We also have  a "sport" type exhaust
>on
> > the engine.  This consists of a 55mm catalyst from a 16V Scirocco ( I
>think
> > the largest VW has made), a 2.5" Walker MagnaFlo muffler (basically a 6"
> > diam. welded glass-pack), and a 2.25" stainless tailpipe.  Great music
>and
> > great power. Certainly louder than stock but not intrusive.  After
>living
> > with this combo for a little while, I felt as though the engine was
>running
> > a little lean (even after setup on the VAG 1552).  Knowing that this can
> > happen with "open" exhausts that create a fuel need beyond the injection
> > system's ability to compensate, I added an adjustable fuel pressure
> > regulator with a gauge.  Stock regulator showed 28-30 PSI, which is
>about
> > where it should be.  I bumped the adjustable regulator to 35PSI.  Wow.
>Now
> > more lean stumbles,  throttle response is instant, top end just keeps
> > pulling.  Try it!   Finally, a critical change.  We replaced the "GL"
>badge
> > on the hatch with an original "GTi" badge.
> >
> > A question.  I do get a pretty significant vibration/resonance coming
> > through the body at about 4000 rpm when accelerating.  I know that this
>is
>a
> > typical problem with inline 4 cyl engines, but I also know that it can
>be
> > tuned out.  I have not been able to figure out if the vibration is
>coming
> > from my non-stock exhaust (could be, it has broken 2 marginal welds made
>by
> > me already) or if the motor mounts are bottoming out and sending vibes
>into
> > the body.  I have tried various combos of adjustment on the exhaust
>mounts
> > which do make some difference, but I don't think that's it.  To me it
> > actually looks like the right motor mount bracket might be squeezing
>inward
> > too much and making contact with the rubber on the mount itself under
>hard
> > acceleration when the engine is trying to twist.  I'm thinking I might
> > either pursuade it with an 8 lb. sledge, or remove the mount and slot
>the
> > mount hole to move ita way from the bracket more. Have you had any
> > experience with this?
> >
> > Thanks for making this kit available!  Our Vanagon is a whole different
> > animal!
> >
> > Gary
> >
> >
> > _________________________________________________
> > IncrediMail - Email has finally evolved - Click Here


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