I got the oil leak fixed in my car, and once i got that fixed i decided that my car engine looked like crud. I started researching a bit on how to wash your engine (never did it before, and didn't want to mess anything up). Went to autozone and they were running a special on this stuff :
2 for 5$. Sprayed it on, let it soak for 15 minutes and then scrubbed the hell out of it with a tooth brush/brush for dishes that i bought from the local dollar store.
Before :
After:

2 for 5$. Sprayed it on, let it soak for 15 minutes and then scrubbed the hell out of it with a tooth brush/brush for dishes that i bought from the local dollar store.
Before :




After:



