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Great advice, thanks!

What do you guys and gals recommend to set engine idle at on a 440 engine, and secondly how are you going about setting engine idle speed if you don’t have a tachometer?

Out of curiosity, what is the normal working temperature you would expect to see from an engine using an infra red temp sensor?

Also, my 300 doesn’t have a temp gauge, only idiot lights. I was under the hood monitoring things when it became clear the engine was too hot so I jumped in and quickly shut it off. I don’t think the “hot” light was on but I can’t be sure.

Thanks for the inputs gents. Out of curiosity, what are you guys running as initial timing with vacuum disconnected? I’m on the edge of the Rockies so at higher altitude than a lot of places.

I’m wondering if the burp that happens that belched out a fair bit of coolant might indicate an air pocket in the cooling system? If that’s the case, how does a guy get rid of it?

The engine was extremely hot to be near, and I’ve got or restored more than 20 over tge year. The rad basically started to steam on its exterior. I always run 50/50 coolant and water and I’m not 100% sure the coolant was circulating as after it burped i put the rad cap on. When I shut it off you...

I had some matching done on the 440 out of my 70 300 convertible. I’ve spent the week assembling it, painting it and reinstalling it, and today I was able to fire it up and do the cam and lifter break in. I idled the car at 2000 rpm for 20 minutes or so, and then I noticed that it was getting...

According to the fender tag the car itself was assembled October 25

So I have the engine stamping number off of the front right pad, and it’s a strange one! it gas 2 rows; 1st row reads F 440 (Maltese cross) X second row reads 7 15 Backwards B Does this make any sense? Weirdest stamping number I have ever seen!

Here’s the only photo I have; I do have someone that will check it out fir me in the near future

I’m looking at a 1970 Chrysler 300 and the car is a ways away from me. The owner is quite elderly and has some health issues. I’m trying to determine if the engine in the car is the original 440; all the seller has been able to give me so far is the block casting number; I’m trying to explain to...