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[hogasm]

Taking old blue to the Harley shop to fix a oil leak. They have to split the cases to fix it. They suggested having temkin bearings installed while it is apart.
My question is is it worth it to have a Jims 120 kit installed at this time? And could the jugs or the HTCC ported heads be reused on this motor with machine work done to them?

[HUBBARD]

Taking old blue to the Harley shop to fix a oil leak. They have to split the cases to fix it. They suggested having temkin bearings installed while it is apart.
My question is is it worth it to have a Jims 120 kit installed at this time? And could the jugs or the HTCC ported heads be reused on this motor with machine work done to them?  

Yeah, 'er 'uh, hogasm,
   I thought the JIM's 120 kit was a complete Engine, only disassembled.  Am I missing something, or are you thinking of just buying a partial kit, and having your 103 jugs, and heads brought to 120 specs. locally?  If so, I would think that to be cost prohibitive.  Personally, I'm partial to Zipper's.  But that's just me.  Later--HUBBARD  

[hogasm]

Hubbard, just talked to the dealer. The 120 kit is available either assembled or disassembled. When the cases are split they send it to zippers to install the bearings, and if you want to increase it to a 120 then machine work is done to accept the larger crank. He is also partial to zippers over the jims motors, but warranty issues could arrise if I did not go with a jims motor, because of harley's warranty.
I was wondering what parts could be used over if the motor was made into a 120. I did find out that the jugs could not be machined to work but could not find out if the heads could be reused.

[Fatboy]

I was wondering what parts could be used over if the motor was made into a 120.

------------------------------------------------------

 You may be able to re-use the spark plugs............ :-/

 Get out the cash and go for the Zipper's setup!  [smiley=xyxthumbs.gif]

[Unbalanced]

For what its worth,

If you go the route of the 120/124 kit upgrade, I would expect you to reuse the Cam support plate and the oil pump and thats about it.   New juggs, new heads, new cam, new lifters, new heavier adjustable push rods (less flex), lets not forget the roller rockers and the new fuel system to deliver your air / fuel.