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| Joined: | 03-14-2005 |
| Location: | Atlanta, Georgia USA |
| Posts: | 406 |
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The smart thing to do was put oil in the cylinders to minimize the rings siezing to the pistons and/or liners. Don't second-guess yourself regarding which visocity you should have used. 5 years is a long time and despite your best efforts, there is going to be some form of corrosion.
My first suggestion would be to flush the engine by running a lighter weight oil (I use 5W20) through the system at idle and draining repeatedly. Clean out all that old stuff and give the rings a chance to re-seat. Refill with 20W50 when you think it's safe.
Besides blow-by, I'm sure you are getting a substantial amount of oil being sucked through the intake valves. Again, 5 years of sitting in one position may have led to the valves and/or guides getting slightly out of kilter.
Congrats on bringing her back to life. Unless a ring has cracked, I think you have a pretty good chance of getting her back on the road. Just remember to do all of the typical 'tune-up' items, and I think you'll be fine.