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://tubaneil.googlepages.com/ >
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