Assessing an unknown engine

Posted by L.C.Grey on August 07, 2005 at 09:53:37 from (65.174.44.160):

I'm trying to determine what I'm starting off with in an engine that I'm unfamilliar with its past. Engine is a IH I-4 (C-152?)

It appears to be stuck. no way to manually turn it over at this time

It has spent an unknown time with the stack missing and open so I have to assume its been rained in.

I removed the spark plugs and 3&4 looked normal. 1&2 had light rust.

I dipped a wire into each cylinder to see if they were standing in water and all checked dry.

I put about 8 oz. of thin oil in each cylinder to soak and after 2 days 3&4 are again dry and 1&2 are still holding liquid.

Pulled drain plug to check for water in pan.... pan toally empty. All that came out was about 3 oz. of the thin oil I'd put in 2 days earlier. No sign of any kind of any water.

I'm working on the assumtion that 1&2 have been wet in the past and are stuck. I can't figure out why the pan was totally empty. Even if they'd run it dry enough to lock the engine I'd think there was still some oil remaining in it.

My next step is to put it in gear and drag it a few feet and see if it will turn over at all.

Should that not work I guess I'll pull the pan for an inspection of the lower end and possibly a hydraulic jack under the stuck cylinders rods.

Whats y'alls assessment of this engines condition and what else might I do. I really want to get this one going asap.

Follow Ups:

• Re: Assessing an unknown engine Redmud 16:09:15 08/07/05 (0)
• Re: Assessing an unknown engine Philmar Farms 14:06:23 08/07/05 (0)
• Re: Assessing an unknown engine dbwillia 13:51:51 08/07/05 (0)
• Re: Assessing an unknown engine old 12:08:54 08/07/05 (0)
• Re: Assessing an unknown engine comfortking 11:47:00 08/07/05 (1)
  • Re: Assessing an unknown engine L.C.Grey 12:44:35 08/07/05 (0)
• Re: Assessing an unknown engine Rustyj14 10:46:02 08/07/05 (1)
  • Re: Assessing an unknown engine L.C.Grey 13:00:10 08/07/05 (0)

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