Reviving a sleeping motor

[GeorgiaPilot]

My daughter wrecked her 91 325 vert several years ago. I found another with a nice body and moved her interior and new top over and let the wreck sit without attention till now. 91 325 should have an M20 right? I think it was on its 3rd timing belt ~160K miles and ran great. Now I have a guy that wants the motor but he wants me to get it running. I figure the gas has varnished up in the tank and was gong to simply pull the fuel pump and sit it in a temp tank of clean fuel but the connections won't likely reach very far at all. I guess the other alternative is to drain the tank through the pump or level indicator hole and put some fresh in. Of course look around in the tank to see if/how much rust there is. It is an automatic so I can't put it in gear and rock it to make sure the motor is free.

Any advice?

[UpstateMike]

How long has it been sitting?

[GeorgiaPilot]

4 years. It was covered but I didn't periodically crank it or anything.
I have revived 10 year sitting motors in Triumphs. Poured some marvel mystery oil in the cylinders and rocked it every day for a few weeks before cranking with good gas and cleaning the carbs...

[UpstateMike]

I was going to suggest exactly what you have done before. Marvel mystery oil. New fuel filter fresh fuel and maybe some Lucas fuel stabilizer. It shouldn't be tough to get her goin.

[UpstateMike]

4 years. It was covered but I didn't periodically crank it or anything.
I have revived 10 year sitting motors in Triumphs. Poured some marvel mystery oil in the cylinders and rocked it every day for a few weeks before cranking with good gas and cleaning the carbs...

How did you make out?

[M-technik-3]

I would turn over the engine by hand after removing the spark plugs. I also would pour a quart of good oil over the valve train.

Then after it turns over freely i would pull the fuel pump relay and then after the valve cover gasket was replaced turn over engine with key. This would allow oil to work way around engine prior to start.

[UpstateMike]

I would turn over the engine by hand after removing the spark plugs. I also would pour a quart of good oil over the valve train.

Then after it turns over freely i would pull the fuel pump relay and then after the valve cover gasket was replaced turn over engine with key. This would allow oil to work way around engine prior to start.

Sounds good to me!

I had an engine that sat one time for 6 years and I actually filled the engine from oil pan to the top of the valve covers with cheap motor oil. Let it sit a few days and then drained it completely. Refilled with good engine oil to proper level, and turned engine over by hand. Put fresh gas in it and a new fuel filter and she fired up and ran like a top.