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Posted (edited)

Ebay auction

 

 

Complete top end, cylinders, pistons, wrist pins, WP bearings, Duncan/Paul Turner cool head, 18cc domes and complete set of O-rings. The cylinders are at 65.20 bore. Ported By Lonnie Eubanks of Sandtrax Racing out of Tulsa OK.

 

This is a strong running stock stroke top end. It is complete, ready to run as is. The cylinders still have most of the crosshatch visable, but I would run a hone through them if I were putting them on my motor although it is not needed. The intake work is clean with ports added on each side, transfers have a very clean knife cut, exhaust has been opened up quite a bit. I would classify the porting as dune/drag. I do not have port timing specs, but I'm sure they can be had from Sandtrax with a phone call or Email.

 

This top end needs nothing but 110 octane.

 

Please ignore the upsidedown water neck.

 

$500 shipped

 

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Edited by broke
Posted

Yeah, it does have some very impressive port work, these would be great for a Dune quad and with the right set-up a very competitive drag motor. From what I know, the quad it came from was built as an Ice racer. I have trail ridden the quad with these and it actually pulled much better from down low than I had predicted it would.

 

The jugs have around 20 hours on them since their last rebuild.

Posted

I would almost bet money on the intake side of those cylinders eating rings after a lot of useage. That's really thin in there.

 

You're right though, would probably make a good runner!

 

Bizzump.

Posted

I would almost bet money on the intake side of those cylinders eating rings after a lot of useage. That's really thin in there.

 

You're right though, would probably make a good runner!

 

Bizzump.

 

That I can't say. Most top end port jobs are harder on rings, so I would agree. These are just a fast set of jugs that will bolt on to a stock bottom end for a good price.

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