Yarb

You continue to ignore any suggestion that’s being offered and don’t come back with results. Therefore I am bowing out of giving any suggestions.

Please use @jfa.series1 So he will be notified. Anytime you’re trying to contact someone directly here on the forum that individual will get a notification. Just a heads up.

Posted the pic. Until you do this mod you don’t have a clue what the pressure is. Takes research and find the parts.

Until

There’s no misunderstanding on our end. You are not clear on the logistics of what’s been done on the engine itself for a very long time. You may have a bad gauge. Others have mentioned to use a temp gun. You’re negating what we suggest. Looking for a quick fix and there is absolutely no such thing. My 2 cents

Way way past an oil change and low on oil. Going down a rabbit hole here. A good tech would have seen if there was circulation through the radiator. Posting non conclusive results.

Operating condition. Is that known?

Me either.

@jfa.series1

68K US dollars

Where are you located? I didn’t see that in your profile.

That’s insane money for a 260 2+2

55 lbs does sound like a lot to me. Did you gradually ramp it up as you torqued originally?

A lot of folks aren’t on certain sites including myself. Any other way you could post this?

What would you consider to high?

It’s Definitely not a 280Z or ZX alternator.

Yeah, But they were Cool back in the day!!!

For the individual that started this thread.

Where did you source the ZX alternator and did you have it checked at the parts house before installing whether it’s rebuilt or used?

I have these and they are silicone not plastic.

https://www.amazon.com/AAM-ESSENTIALS-Rubber-Grommets/dp/B0GVJM7698

Set in the center. Once running use a light.

Use a peice of rubber the width of the bracket as a bushing.

@SteveJ

Time to pull the trans and take it to a rebuilder. You do have a very strange issue.