Too worn crank?

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Old Feb 13, 2010 | 06:51 AM
  #1  
Pompiuses's Avatar
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Default Too worn crank?

I recently got my motor assembled (B18C). I had a Integra LS crank that were pretty worn, but we decided to go ahead and use it. All clearances was measured so I'm certain it's assembled correctly.

Since then I've put about 2000miles on the motor and so far it's running strong. The problem is that the engine is very heavy to turn by hand. Usually you need about say 5 ft/lbs of torque to turn a healthy motor (with the spark plugs removed). My motor needs perhaps 15-20 ft/lbs to turn. So it might seem that the crank / rod bearings are looking up somewhat.

The car is currently running strong with 160whp naturally aspirated. It's built for boost, and soon it'll see about 350whp.

Will that much power increase the chance for the crank/rod bearings to lock up and destroy my bottom end? Should I go ahead and replace the crank?
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Old Feb 13, 2010 | 09:47 AM
  #2  
boostedcivicsir's Avatar
Mr. Badwrench
 
Joined: May 2002
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From: stranger in a strange land
Default Re: Too worn crank?

what are the clearances at assembly? where are they now?
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