I currently having the machine work done to build a new motor for my '59 =
TR3A racecar. The old block is in the trash. I ended up using apart a =
long idle TR3 motor form a homemade dragster. The piston liners were =
pitted so I taking apart a TR4 motor tomorrow in hopes that I can use =
the block form it and add the crank, prepared rods and 87MM pistons =
(these are all being crack tested) The camshaft from the motor I blew =
was stamped "1521" with no other markings on it other than the casting =
#. It's in 3 pieces so I can't reuse it, but if it is a good profile I =
suppose I could have a stock one reground to match. Does anyone =
recognize the #1521 as a particular manufacturer/version?
The second motor has a Crane Cam in it. It's marked IMP304 and C1061. =
Same question. I suppose 304 is the lift.
The pistons were AE #13958, 87 MM and marked STD. They are full sided =
with 3 rings. Are these any good?
TIA
Bob Kramer, Austin TX
Hill Country Triumph Club
512-250-9498 fax 512-250-5434
TR6 x3, TR250 x3, TR3A vintage racer,=20
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