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Thank you both of your for your quick response. I still look forward to hearing comments from other PSD owners regarding their opinion of same.
I am currently talking to Diesel Technology of Chattanooga and Swamps regarding testing of my IDM and/or ECM before purchasing anything. Below is a little history of the symptoms I am experiencing.
I have a stock 1997 F-350 Super Cab, 7.3L Turbo PSD w/ 210K miles. It was giving symptoms of bad CPS over the past 9 months. I replaced the first myself about 9 months ago when it threw a code. About a month ago it had same symptoms but no codes. I towed it to a mechanic friend (Perry) who is trying to help me out. He put in the International CPS part. It ran perfect for 25 miles then same thing, dead on road side, wouldn't run except like a bucking bronco with no power. I had a Ford CPS in the glove box so I crawled under and installed it. Same story...., Towed it back to Perry. It has two codes for bad injectors. But Perry now thinks that it is the IDM and wants to test it before buying a new one or replacing injectors.
P.S. A friend in New Orleans says bolt torque for CPS is around 8 inches (not more than finger tight.) He thinks we are just tightening the CPS bolt too tight and reducing the air gap too much. Specs I've seen suggest 18ft/Should I put it back in and retest CPS with shims and less torque? Your thoughts....