Personally not my thing, I have enough "must-do's" to worry about the underhood appearance. Plus its not my DD, so it's always dirty anyway. It's all I can do to wash the outside.
But you should hang out with this guy...
https://forum.ih8mud.com/showthread.php?t=119179
But you should hang out with this guy...
https://forum.ih8mud.com/showthread.php?t=119179

Mine's going to be very simple