Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
Subject:Re: Cut tranny input shaft while still in tranny? (for engine conversion)
From:neil N
Date:Fri, 7 Mar 2008 17:00:28 -0800

Yah!

And Gold Plate it too!

Starts with an F!

"F, F, F, Friday!"

Neil.

On Fri, Mar 7, 2008 at 4:14 PM, craig cowan <phishman068@gmail.com> wrote:
> I have never done the cutting of an input shaft, but i would probably go
>  dremel myself. I would however recommend strongly against removing the input
>  shaft, heating it to cherry in a forge, placing it on an anvil, and cutting
>  it with a cold chisel. I really just cant see that method working out
>  well....the end might be slightly distorted (but a good blacksmith with a
>  skilled hammer should be able to take care of that).
>  List that one under "ways NOT to cut input shaft".
>
>  Hey, its friday.
>  -Craig
>  '85Gl
>
>  On Fri, Mar 7, 2008 at 6:54 PM, Scott Daniel - Shazam <
>
>
> scottdaniel@turbovans.com> wrote:
>
>  > it's surfaced hardened I believe.
>  >
>  > Once you get through the outer surface I don't think you'll find it as
>  > hard.
>  >
>  > I just use an abrasive cut off saw.
>  >
>  > If you have a typical Skill saw, you can just get an abrasive blade for
>  > that.
>  >
>  > But taking the bell housing off -  I recommend that to help make it a
>  > whole
>  > lot easier.
>  >
>  > Scott
>  >
>  >
>  >
>  > -----Original Message-----
>  > From: neil N [mailto:musomuso@gmail.com]
>  > Sent: Friday, March 07, 2008 3:41 PM
>  > To: Scott Daniel - Shazam
>  > Cc: vanagon@gerry.vanagon.com
>  > Subject: Re: Cut tranny input shaft while still in tranny? (for engine
>  > conversion)
>  >
>  >
>  >
>  > Thanks Scott.
>  >
>  >
>  >
>  > I'll be careful not to get debris anywhere it shouldn't be.
>  >
>  >
>  >
>  > Originally I thought a hack saw would do it but you guys are
>  >
>  > confirming what I suspected. Good hard German steel! (and bad angle)
>  >
>  > The Dermel option looks good.
>  >
>  >
>  >
>  >
>  >
>  > Neil.
>  >
>  >
>  >
>  >
>  >
>  > On 3/7/08, Scott Daniel - Shazam <scottdaniel@turbovans.com> wrote:
>  >
>  > > What mark said is good.
>  >
>  > >
>  >
>  > > I would add that you could barely do it with a hack saw, due to angle
>  > and
>  >
>  > > due to how long it would take.
>  >
>  > >
>  >
>  > > Btw, it's very easy to remove the bell housing, and that gives nice fat
>  >
>  > > access to the shaft if you are going to cut it in situ.
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > > One thing I would have minor concern about cutting it in place is fine
>  > metal
>  >
>  > > particles going around and getting into tiny recesses of bearings and
>  > pivot
>  >
>  > > points, like the cross shaft. Would make for a fine grit to wear or jam
>  >
>  > > things.
>  >
>  > >
>  >
>  > > So far I have shortened all mine after removing the shaft from the
>  >
>  > > transmission. It's awfully fiddly and even maddening to do sometimes if
>  >
>  > > it's a difficult one, and I can appreciate the desire to shorten it in
>  >
>  > > place.
>  >
>  > >
>  >
>  > > Scott
>  >
>  > >
>  >
>  > > www.turboavns.com <http://www.turboavns.com/>
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > > -----Original Message-----
>  >
>  > > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
>  > Of
>  >
>  > > Mark Drillock
>  >
>  > > Sent: Friday, March 07, 2008 2:59 PM
>  >
>  > > To: vanagon@GERRY.VANAGON.COM
>  >
>  > > Subject: Re: Cut tranny input shaft while still in tranny? (for engine
>  >
>  > > conversion)
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > > I cut them in the tranny. I use a heavy duty cutting disc in a Dremel,
>  >
>  > >
>  >
>  > > while someone else turns the shaft. I work a ring cut deeper and deeper
>  >
>  > >
>  >
>  > > as they turn one CV flange and hold the other still with the tranny in
>  >
>  > >
>  >
>  > > gear. The shaft is pretty hard and gets hot so I have a rag soaked with
>  >
>  > >
>  >
>  > > water wrapped around the rest of the shaft and another that I use to
>  >
>  > >
>  >
>  > > periodically cool the tip.
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > > After the cut I use an angle grinder to put a bevel on the edge of the
>  >
>  > >
>  >
>  > > tip, again while the shaft is turned.
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > > The Dremel blade is an abrasive type with fiber reinforcing.
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > > Mark
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > > neil N wrote:
>  >
>  > >
>  >
>  > > > Hi all.
>  >
>  > >
>  >
>  > > >
>  >
>  > >
>  >
>  > > > Am getting closer to mounting the Jetta engine so am researching input
>  >
>  > >
>  >
>  > > > shaft stuff.
>  >
>  > >
>  >
>  > > >
>  >
>  > >
>  >
>  > > > Can I cut the input shaft while it's still in the tranny?
>  >
>  > >
>  >
>  > > >
>  >
>  > >
>  >
>  > > > It looks possible, but I don't know if hacksawing away at it is be bad
>  >
>  > >
>  >
>  > > > for parts attached to it. Plus angling (shaping) the end might present
>  >
>  > >
>  >
>  > > > a challenge.
>  >
>  > >
>  >
>  > > >
>  >
>  > >
>  >
>  > > > Thanks!
>  >
>  > >
>  >
>  > > >
>  >
>  > >
>  >
>  > > > Neil.
>  >
>  > >
>  >
>  > > >
>  >
>  > >
>  >
>  > > >
>  >
>  > >
>  >
>  > > > --
>  >
>  > >
>  >
>  > > > Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"
>  >
>  > >
>  >
>  > > >
>  >
>  > >
>  >
>  > > > http://web.mac.com/tubaneil
>  >
>  > >
>  >
>  > > > http://tubaneil.googlepages.com/
>  >
>  > >
>  >
>  > > >
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > > --
>  >
>  > >
>  >
>  > > No virus found in this incoming message.
>  >
>  > >
>  >
>  > > Checked by AVG Free Edition.
>  >
>  > >
>  >
>  > > Version: 7.5.516 / Virus Database: 269.21.6/1318 - Release Date:
>  > 3/7/2008
>  >
>  > > 2:01 PM
>  >
>  > >
>  >
>  > >
>  >
>  > >
>  >
>  > --
>  >
>  > Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"
>  >
>  > http://web.mac.com/tubaneil
>  >
>  > http://tubaneil.googlepages.com/
>  >
>  >
>  >
>  >
>  >
>  > --
>  >
>  > No virus found in this incoming message.
>  >
>  > Checked by AVG Free Edition.
>  >
>  > Version: 7.5.516 / Virus Database: 269.21.6/1318 - Release Date: 3/7/2008
>  > 2:01 PM
>  >
>  >
>  >
>

--
Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco"

http://web.mac.com/tubaneil
http://tubaneil.googlepages.com/