Help with water spots on single stage paint

[dsharpe89]

I recently polished a 1978 GMC Sierra using Mike's #7 method with fantastic results. Unfortunately it has already developed heavy water spots, what I believe Mike refers to as "type 3" water spots. I have tried everything I can think of to remove them, including repeating my original process but I can not completely get rid of them. Hoping Mike or someone else can give me a better option than continuing to use heavy cutting compound to wear them down.

Here is how all the horizontal surfaces looked when the truck was brought back to me.

http://www.autogeekonline.net/gallery/data/500/medium/20150603_001043.jpg

After extensive trial and error and several passes with heavy cutting pad and compound it appeared to be getting better.....

http://www.autogeekonline.net/gallery/data/500/medium/20150603_000902.jpg

That is until I shined my light on it.

http://www.autogeekonline.net/gallery/data/500/medium/20150603_000920.jpg

[LSNAutoDetailing]

How about a good clay, then Pinnacle Paintwork Cleansing Lotion. That's where I would start.

I know you already mentioned Mike's article, posting here for others to read.
http://www.autogeekonline.net/forum/how-articles/29134-how-remove-water-spots-hand.html

[dsharpe89]

Thanks for the suggestion but I've already washed, iron x'd, clayed and then started with my least aggressive polishes/pads and moved up to my most aggressive with poor results