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[Fot] GT6 engine block variations - TR6?

Subject: [Fot] GT6 engine block variations - TR6?
From: gt6steve at aol.com (gt6steve at aol.com)
Date: Sun, 7 Jan 2018 19:16:52 -0500
References: <EF5BFC4C-FEC0-4612-B6FC-54D18DE11C5D@catalystre.com> <6F74A6E2-95E3-4842-9E6F-E8077D12CE10@me.com>
You've got it figured exactly right.  Be certain to check all oilway bores to 
ensure they are properly drilled through on these.




-----Original Message-----
From: Scott Janzen via Fot <fot at autox.team.net>
To: 'Friends of Triumph' Triumph <fot at autox.team.net>
Sent: Sun, Jan 7, 2018 3:28 pm
Subject: [Fot] GT6 engine block variations - TR6?


I pulled apart a spare short block to get at the crank, and thought I might get 
the block cleaned and prepped at the same time.  However, the block is 
different from any of the GT6 blocks I?ve used before.  Serial # shows as a GT6 
motor - KD759681 - but the bores have notches cut out in the sump end and the 
block has cast-in ?bulges? on the side opposite the distributor/oil galleys.
I?m guessing that this is a block that could have been used either for a GT6 or 
TR6 and the clearance is for the added TR6 stroke - but would like to confirm 
that they are interchangeable.  Definitely has a GT6 crank in it - same stroke. 
 Other aspects of the castings look the same.  Having been through probably 3 
blocks in the past ten years, I?m puzzled I haven?t run into one of these 
before. 


Photos of current and different block attached.  The clean one is my current 
GT6 block - there?s no serial # on that - got decked off.


Anyone know?
















Sent from my iPhone



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