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02-24-2018, 12:10 AM #15000 RPM
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Mercury 2717-827352 piston/rod help
I have a set of mercury racing single ring pistons pn.2717-827352 and a set of 260 top guided rods. The rod small end fits into the piston with a few thou clearance.
I have been told that I need to run spacer rings between the piston and the rod?
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02-24-2018, 11:09 AM #2
You do need a spacer on each side of rod to contain wrist pin bearings. What is the rod #.
RockTeam Junk
No sparkling wiggles in here, only dump truck grinches.
"Screamin Heathen"
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02-25-2018, 04:39 AM #35000 RPM
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Rods are 5250 top guided rods from a 260.
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02-25-2018, 11:33 AM #4
5250 are bottom guided rods. I am reaching back in my memory, which is a scary thought, and the 5250 is a .81 thick rod and your top guided rods are exactly .100 smaller. Hopefully someone that knows for sure will answer soon.
RockTeam Junk
No sparkling wiggles in here, only dump truck grinches.
"Screamin Heathen"
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02-28-2018, 03:56 PM #5
5250 top guide rods from a 260 used mahle pistons which are wider at the wrist pin boss than the wiscoe pistons
Popey
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02-28-2018, 05:10 PM #6
I have never heard of a 5250 rod being called "top guided". I know the early 260s had the big rod and with Mahle pistons used the .119 washers as opposed to the normal top guided .048 washer. I thought all .81 rods were bottom guided and all top guided rods were .71. If I am wrong I apologize for pointing you in the wrong direction.
RockTeam Junk
No sparkling wiggles in here, only dump truck grinches.
"Screamin Heathen"
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