MPS, Rebuilding the MPS Options

[Ron914]

Hello to all who have helped me with this project . @emerygt350 ,@TJB/914, @Superhawk996 , @ChrisFoley , @rjames , @MDTerp
I am in the middle of rebuilding my MPS and have a couple of comments and questions .
First when I opened up the unit I found the most difficult job was removing the rivets holding the two halves together.
When I removed the retainer plate to take out the old diaphragm it was in two pieces .

I needed to take two measurements since I was replacing the stop screw , I needed to measure the the stop screw protrusion into the housing . The instruction sheet sent to me by a member had the measurements he must have made when rebuilding his MPS . His stop screw protrusion was 1.97mm and mine only measured 1.72mm.
His inner/outer screw assembly depth in the old diaphragm measured 6.51mm .
Here's one of my questions ?
when I measured mine I got two measurements depth to inner/outer screw assembly was 4.03
and depth to the washer outside the inner/outer screw assembly was 5.46mm.
Again there is a difference and since mine was never accessed before (epoxy over screw was not disturbed) is the difference in measurements ok and which measurement should I use I will try to attach a photo or two to help with my question.
this one .

I have not touched either of these measurements yet and awaiting any help/comments.
I think it's this one to the washer on diaphragm .

[Ron914]

@Superhawk996 I made the checks you requested and I have to say after reading your last comments I also questioned the accuracy of the Dakota CHT gauge . When I purchased my gauge I mistakenly ordered it with a 1/2" ring terminal (12.7mm) because I didn't want to order a 18' connecting wire from sensor to gauge ,what I didn't know was because I ordered the shorter connecting wire they swap the 14mm ring for a 1/2" ring with the shorter wire . You only get a 18' connecting wire with the 14mm sensor ring . I contacted Dakota Digital and asked if I opened the ring terminal up to 14mm or 0.551181" and was told as long as I don't cut the wire it should be ok .
Measured value of CHT sensor @ ECU plug :car cold ,garage temperature ~80F ,measured value 3.293k ohms
I checked my meter against the 270 ohm resistor I bought from Auto Atlanta and it measured 266.2 ohms .
Started my engine AAR was open / idle~1400
The car started running bad @ ~9:20 minutes idle was hunting up to 1200 , something seems not right .
After ~15 minutes engine stops , unplugged the CHT and engine just cranked and would not start , car smells flooded , my Dakota gauge reads 97F, the CHT sensor measured 048.9 ohms @ the ECU plug, my IR reads 143F .
My IR thermometer read 98F when checking it against the Dakota @ 93F .
I took photos but am only adding the TS2/CHT value read @ the ECU plug between terminals 23 and ground and my gauges when engine stopped .
I did get a chance to check the CHT sensor I purchased from 914 Rubber I dropped it into a cup of 212F water and the resistance read 0.497 k ohms on my meter. I checked the value of this sensor @ room temperature and it read 1.917 k ohms .