Where did my compression go

[Randy Lausch]

I have a motor that ran very good, we have let it sit for several years now there is no compression in any of the cylinders. Is there any thing I can add to the cylinders I assume it has to be the rings. Thanks

 

[burner31]

Put some MMO into the cylinders and let it soak for a day...try again

 

[Kurt in NJ]

Take plugs out and look to see if valves are all moving

 

[Ruth]

I agree with Kurt, stuck valves. We had one with two dead cylinders just the other day. Exhaust valves stuck open.

 

[Patrick L.]

There is recent thread regarding this that wa started by Grampy.

 

[jayvee34]

There is recent thread regarding this that was started by Grampy.

The thread is titled "It ran well when I parked it" is toward the bottom of this page.

 

[Tom Wesenberg]

When I bought my 31 Town Sedan it had no compression also. It sat in a garage for several years, and I found the teeth were stripped off part of the cam gear, so it didn't rotate.

Watch the distributor rotor to make sure the cam is turning.