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Re: [TR] TR3 with a TR3A transmission tunnel

To: triumphs@autox.team.net
Subject: Re: [TR] TR3 with a TR3A transmission tunnel
From: Dave1massey@cs.com
Date: Wed, 16 Dec 2009 07:29:21 EST
In a message dated 12/15/2009 10:33:44 PM Central Standard Time, 
mlang99@comcast.net writes: 
> I decided it was time to check the gear oil in my transmission and
> discovered that I installed a
> TR3A transmission tunnel (without the dipstick access hole) on my 56
> TR3. I knew about the dipstick, but didn't think to check for an access
> hole when I picked the best tunnel to cleanup and paint. Is there any
> tricky way of checking/adding gear oil to the early transmissions
> without access to the dipstick? If not, I guess adding a hole for the
> dipstick will make a good project for one of these wet rainy Saturdays.
> 

There is a possibility.  The transmission on my 57 does not have the bung 
drilled into the side of the case that is typical of the later transmissions 
but if you (or the PO) did a little mix - n - match you might have a case 
with the bung.  Otherwise, you are probably into a transmission cover-ectomy.  
It should be easy to add an access hole to your now painted cover.  All you 
need is a hole saw.

That reminds me of a story (urban myth?) I heard many years ago about the 
very first MGA's that came off the line.  The engine used was from another 
application and the sump drain hole was directly over the cross member on the 
MGA and it was impossible to change the oil.  New, modified sumps were 
fitted from that point on.

Believe it or don't, your choice.

Good luck.

Dave

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