[Fot] Extended bottoming tap for TR4 engine

[Scott Janzen]

McMaster-Carr sells tap extensions.

On Jan 8, 2014, at 4:27 PM, Bob Kramer wrote:

I just use old style Triumph studs with the grooves cut into the threads to
catch swarf, and lots of in and outs until they thread in by hand. This gas
always worked for me, but I suppose I should step up my game,

Bob Kramer
Sent from my iPhone

> On Jan 8, 2014, at 2:57 PM, Greg And Alison Blake <ablake2 at austin.rr.com>
wrote:
> 
> I just use a normal length bottoming tap and use a 1/4 socket extension to
> reach the bottom. You'll want to find the right size socket to marry up
with
> the tap and then use some tape or something in case the socket wants to
> separate from the tap upon removal.
> 
> 
>> On Jan 8, 2014, at 8:57 AM, marty <trmarty at hotmail.com> wrote:
>> 
>> Hi John. I have one I made up that you are more than welcome to borrow if
> you
>> would like.  If so, email me your address and I can drop it in the mail.
>> 
>> 
>> 
>> Marty
>> 
>> 
>>> Date: Wed, 8 Jan 2014 09:46:04 -0500
>>> From: johnstydo at gmail.com
>>> To: fot at autox.team.net
>>> Subject: [Fot] Extended bottoming tap for TR4 engine
>>> 
>>> Does anyone have a tool source for a 1/2-13 extended bottoming tap to
> reach
>>> the four deep head studs on the TR4 pot? Looks like at least 6" OAL.
>>> Any comments on the value of bottom-tapping blind holes to improve stud
>>> holding? Thanks
>>> _______________________________________________
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