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Jerk & bang followed by power and oil pressure loss...

To: mgs@autox.team.net
Subject: Jerk & bang followed by power and oil pressure loss...
From: "Andrew B. Lundgren" <Lundgren@iname.com>
Date: Thu, 6 Apr 2000 12:21:07 -0600 (MDT)
I was shifting from first to second normally.  (letting the clutch out at a 
non-speedy rate.)  Accellerating normally and I had a bit of a jerk.  
Everything seemed normal enough so I continued and shifted into 3rd.  (Spooked 
at this point so I shifted VERY gently.)  It happened again, but everything 
seemed ok.  I thought It might be a spline going so I was going to gently drive 
it home and then tear it appart. 

I continued, stopped at a light and began accellerating again.  Then I 
experienced a massive power failure accompanied by loss of oil pressure and 
knocking.  

The oil pressure at idle went all the way down to zero.  When reved up a bit it 
would build to 25 lbs.  

The engine is an 18Gd.

Now, my question,  What is broken?  I have had a few guesses at maybe a spun 
bearing, or a broken piston rod.  Ideas?

(Good thing I didn't tell Larry I was ready to sell my spare engine!  :)


Thanks!

Andrew Lundgren
lundgren@iname.com



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