Originally Posted by
Mechanic688
I took a seized engine one time and added diesel fuel(about a small glass full) to each cylinder. Came back next day and put a large breaker bar on the crank pulley and started trying to move it. Every day it would move just a little more than last time. Finally after about a week and a half I had it rotating. Fresh gas and 2 batteries and after about a half hour it was running. It did smoke a little(probably the rust in the cylinders) but a small block chevy is hard to kill.
I brought a Perkins back to life that way ---- of course, it only ran for 20 seconds ...... was knocking the whole time.....tried to run away from me, so we smothered it. As it was .....slowing down.....it locked up; probably threw a bearing in the crank. The issue was definitely bottom end.
My latest success:
Waking up a Detroit from a 10 year nap
decjr2006 
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