My point being. . .The less pressure the safer it is for all those things that don't like water.

If you haven't tried Simple Green I suggest you do. You can (and will) do as you wish. I'm just trying to suggest an alternative that does a very good job, for a low price, and for very little effort.

I haven't tried it; but, I'm pretty sure Simple Green and your dehydrated geriatric would do a pretty good job cleaning under the hood also. If you could get past the smell of burning urine the next time you drive away that is.

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2007 Suzuki Vinson 500 4X4
2007 Toro 6.5hp
2006 BMW X5 4.4 ltr (his)
2001 BMW X5 4.4 ltr (hers)
1994 Honda XR650L
1984 Honda XR80

"Beer is proof that God loves us and wants us to be happy."
Benjamin Franklin