I am helicoiling mine before they anneal and rip the threads out. I am also using the factory size thread instead of the bigger 7/16. Not sure how I got lucky enough to find a head with ex studs in great shape.
I usually take some fine emory cloth and clean the surface of the crank to remove any deposits that have collected over time. A good wipe on the inside of the pulleys as well. They usually slide roght into place. As IJ has stated a pot of boiling water for the really stubborn ones wont hurt.
I would be checking flow through all of the lines before I went much further. I have seen enough trash in the return lines coming out of the resovoir to affect performance. Also any kinks in the lines can cause this as well.
The block test will tell you if you exhaust gasses in the coolant. The leak-down test can narrow it down to which cylinder(s) is the cause. Will also test the rings valves for proper seating.
The strips are only good for testing chemical stability of the antifreeze. You want to know if any exhaust gases are in your coolant. That is done with a block tester kit as found at NAPA.
I passed it on as soon as I saw how much work was involved. Like you I thought the styling looked good and it does. Just didnt appeal to me as much on our cars.
Pics FTMFW!
Both cars are 87. Turbo car has TEMS and ABS, NA doesnt.
87 NA
87Turbo
Let me know if there is anything else you are looking for on this. Will be swapping this harnss over to my NA car tommorrow so I may be real familiar with it by then.
I will go out and compare them today. The only thing different on the body from turbo to NA that I can think of is condensor fan. Turbo has fan mounted in front of radiator. NA has the 2 mounted beind in shroud.
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