Cleaning Engine Block?

[Evil Hobbit]

I wish I could get my hands on some PD680 Drycleaning solvent. We used that in the Navy to clean the machinery in the gun mounts and missile launchers. Its the best cleaning agent ever.

[spchips]

cleaning:

if you're really lucky you live in an area where there's not too much EPA bs and you can USE the engine degreaser at your local car wash. let it soak for a few minutes and BLAST that stuff off with the high pressure rinse. (note: if you drove there you might want to rinse it first to cool the motor. otherwise you're just going to burn all the degreaser off).