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The Bubba Builds A Closed Port 55

Wolverine

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My boy put a, dare I say it, LRB piston in his CP55. Ran the snot out of it for a couple seasons and sailed it. He swapped the OP top end with the CP and timed cuts. It was too close to call.
 

Locust Cutter

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I miss my old 55. I don't know if it was open or closed port, but it was a fine saw for the money. @Mastermind I see that you've settled on a 353 piston. Would a 357xp, 262xp, or 365 P&C fit with some massaging?
 

Mastermind

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I miss my old 55. I don't know if it was open or closed port, but it was a fine saw for the money. @Mastermind I see that you've settled on a 353 piston. Would a 357xp, 262xp, or 365 P&C fit with some massaging?

Oh my. I hadn't thought about a completely different top end.

Good topic for discussion.
 

DuratecMan10

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great thread! i followed joeys advice in a 5000 top end, used the original 44 mm 50 piston and drilled 2 holes on either side of the wrist pin boss and opened the bottom to the case. held together so far...
seems like that 353 piston is the ticket
 

Mastermind

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great thread! i followed joeys advice in a 5000 top end, used the original 44 mm 50 piston and drilled 2 holes on either side of the wrist pin boss and opened the bottom to the case. held together so far...
seems like that 353 piston is the ticket

I ordered the 353 pop up piston from site owner @Gentleman. I'm sure he's planning on delivering it in person tomorrow. Cause he's AWESOME.
 

USMC615

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I ordered the 353 pop up piston from site owner @Gentleman. I'm sure he's planning on delivering it in person tomorrow. Cause he's AWESOME.
What sorta tip ya gonna give him if he hand-delivers tomorrow...’plant yer corn earlier next year’ or let go some swine? :lol:
 

Dub11

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I miss my old 55. I don't know if it was open or closed port, but it was a fine saw for the money. @Mastermind I see that you've settled on a 353 piston. Would a 357xp, 262xp, or 365 P&C fit with some massaging?

I wonder if a 254 jug would fit on these.
 

Dub11

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great thread! i followed joeys advice in a 5000 top end, used the original 44 mm 50 piston and drilled 2 holes on either side of the wrist pin boss and opened the bottom to the case. held together so far...
seems like that 353 piston is the ticket

Them 5000 jugs are getting hard to find.
 
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