I weighed both blocks this morning, and discovered that the ?TR6? block weighs
about 11 lb more than the GT6-only block. The primary difference seems to be
that the cylinder walls extend about 3/4? deeper into the block to accommodate
the added stroke of a TR6, and the related casting and webbing. Don?t want
the extra weight, so I think this block will go back on the shelf for the day I
build a TR6 motor. They must have made a running change at around the time the
GT6 late Mk II or when the MkIII was introduced to standardize parts across the
model range.
Scott
On Jan 7, 2018, at 7:16 PM, Gt6steve at aol.com wrote:
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