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Old 10-08-2009, 02:33 PM   #1
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Default Pinch breaK-in?

I just had the p/s pinched on an OS V-spec, I also replaced the conrod and pin/clips. What is the general rule of thumb for breaking in a newly pinched motor? I'm assuming heat cycle but for how many tanks? Surely it wont take as long to re-break it in as a NIB motor.
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Old 10-08-2009, 02:37 PM   #2
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It really depends how much your motor was pinched.

If it was a light pinch then I pre-heat my motor idle a couple tanks and go and run it.

If it was pinched to a like new condition then I would do the entire breakin method all over again.
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Old 10-08-2009, 02:47 PM   #3
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The pinch doesnt seem super tight, once I mounted up the flywheel I was able to turn the motor over by hand. I guess I'll just idle a tank or two through and then run a couple more easy tanks and go from there.
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Old 10-08-2009, 02:59 PM   #4
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+1 on Alan D's comments.

Also if your rod was still decent, I would re-break it in with it, then put the new rod in. It will last much longer.
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Old 10-08-2009, 06:01 PM   #5
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Quote:
Originally Posted by Racecrafter View Post
+1 on Alan D's comments.

Also if your rod was still decent, I would re-break it in with it, then put the new rod in. It will last much longer.
Excellent idea ... use the old rod to break in.
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Old 10-08-2009, 06:10 PM   #6
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Quote:
Originally Posted by coaltrain View Post
The pinch doesnt seem super tight, once I mounted up the flywheel I was able to turn the motor over by hand. I guess I'll just idle a tank or two through and then run a couple more easy tanks and go from there.
doesn't sound like a break in is required
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