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My new mill, an OBR 30.5

phreerider

Senior Member
Messages
1,111
well the STOCK HY case bearings are rattling pretty good , its floating all over the place.

gonna stop before it jacks the top, and how it has compression is beyond me ...

last couple weekends really been nice peak runs,, 2WD windup prolly finished it off

gonna call it as done. one of the last original parts(case/crank and bearings) to drop.

rebuild on case bearings , maybe a new crank, or maybe new motor
 

phreerider

Senior Member
Messages
1,111
back on OBR 30.5cc prostock mod, 990WT , 9500spring , and jetpro side mount.

and after first round of sessions, i have to say for torque it is an excellent combo .

man nothing like fresh pop and compression all on fresh bearings!
 

BertR

Senior Member
Messages
1,674
Location
Shoshone,Idaho
I think its time for a new top end and piston for my prostock...I melted the piston to the jug lol. I managed to get the piston loose and with a little work on the piston it still strong but not like when it was new.
 

phreerider

Senior Member
Messages
1,111
fresh is good , makes you realize the old tired motor you've whipping on blow out 10hours prior!
 

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