Randall writes:
> Rimmer's lists P/N GSY103, which TRF has cross-referenced
> to GI3010166W.
GSY103 and 3010166 are not the same cylinder. GSY103 is the .875 (7/8) inch
cylinder ... while my Girling catalogue lists 3010166W as only being .75
(3/4) inch in diameter. The Girling number for GSY103 is 64068370, while
the TRF number listed is the Girling number for that cylinder less the
prefix.
Here is the data straight out of my Girling catalogue:
Herald, 1959-1961 3010166W
Herald 1200, 1961-1967 3010166W
Herald 1200 (from #53670), 1967-1970 64068370
Herald 1250, 1963-1967 3010166W
Herald 1250 (from #GB54349), 1967 on 64068370
Spitfire MKI and MKII used 3010166W, while the later Spitfires (MKIII and
MKIV) used 64068370. I should note, that it seems common that the change
over point on all the Heralds and Spitfires seems to be September of 1967
for the switch from the smaller bore cylinder to the larger.
Kai
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