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brianjlinke
08-23-2010, 09:48 AM
i have a 70cc drr with a motoforce topend pushing 210 pounds comp. when i first built it i put thin base gaskets and had 230 . how big off a squish can i go i am at 35thousands now 210 comp. 1 race on motor. this is my third top end this year dont want to blow again.[ other two were different top end , comp. and squish where normal on those i had a wristpin bearing problem ]
Coley'sdad#8
08-23-2010, 01:13 PM
you using the 10mm or 12 mm bearing????????
brianjlinke
08-23-2010, 01:27 PM
12mm pin 12x16x15 bearing
jerkyboy
08-23-2010, 01:57 PM
Check it with another gauge. Give me a call maybee I can stop over and take a look and have a beer while were at it.
brianjlinke
08-23-2010, 08:09 PM
sounds good i will call you tomorrow
Coley'sdad#8
08-24-2010, 05:05 AM
Now thats a good friend, check your compression and drink your beer:D
jerkyboy
08-24-2010, 05:49 AM
Thats what friends are for.