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Cleaning Oil from the Frame

Repairs and Maintenance Blog

The DeLorean needs routine maintenance and the occasional, more significant refurbishing.  Beyond that there are also a number of customizations and upgrades to improve performance, reliability and functionality. 

Cleaning Oil from the Frame

Joe Angell

My car had an oil leak, and over time this made the rear of frame very, very dirty.  There was a pretty substantial cake of oil all over the frame and engine surfaces.  Since the block had a hole in it and had to be discarded, there was no point in clean it, so I concentrated on cleaning the frame.

I had previously removed the engine mounts; they were quite rusty, and while they still seemed strong I decided it would be best to replace them.  They come off pretty easily, with two bolts holding each in place.

After knocking away all the loose rust, I was left with an incredibly dirty frame.  My first step was to remove the thickest stuff using composite plastic gasket scrappers.  These are nice since they don't damage the epoxy.

After scraping away the sludge, I was left with only somewhat dirty frame.  I used Simple Green and shop rags to wipe away the rest of oil.  This worked quite well, leaving behind clean epoxy.  That was really all there as to it.

Before( left side) and after (right side) cleaning the oil off the engine cradle.  The black remaining on the frame on the right is aftermarket undercoating that is reasonably well bonded to the epoxy..

Closer view of the before-and-after engine cradle cleaning.

There was so much oil caked onto the frame that i didn't even know this 305 plate was there until I cleaned it off.  The remaining black on the right is undercoating.