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289 & 260 Crankshaft
Posted: Fri Sep 28, 2012 11:44 pm
by metcoptiger
Are both cranks the same
Posted: Fri Oct 05, 2012 11:28 am
by metcoptiger
I have a variation on this question. Some 289 cranks have a one piece oil seal and some two piece. Are the cranks fully interchangeable?
Posted: Sat Oct 06, 2012 5:22 pm
by pruyter
Both crankshafts are the same as is confirmed in the parts list concerning Tiger Mark 1 and Tiger Mark 2. It is about the only thing in both engines that are the same. For more details check the book "Mustang & Ford Small Block V8" from the author Bob Mannel.
Regards,
Peter Ruyter
Posted: Sun Oct 07, 2012 9:12 am
by pruyter
Regarding the two types of oil seals: it is possible to use both seals. Originally the seal was a rope seal and a sharp pin was centered in the seal groove in the rear main cap. This was done to prevent the roap seal from rotating. If you want to use a spit-lip-seal the pin has to come out and you have to fill the hole with silicone sealer to prevent a leak.
Regards,
Peter Ruyter