ok guys would like your opinion thinking about removing the oil cooler on my 427 is this a pain in the butt to get sealed back up.  Took off the trans cooler off and it was almost 100 % blocked so I think I found my overheating problem.  Thinking I should do the same with the oil cooler. Thanks for the input as always 

                                                                                                                                   Thanks Tom 

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Tom, It depends on if you like hanging upside down. It is way down there to say the least. On the starboard engine it is outboard so it is even harder to get at. I chose to just back flush mine. 

If you do take off the cooler dont forget that the  oil pan needs to be empty first 

Thomas,

In my 38 I had some auxiliary gauges so I really knew what was going with my beloved 427's. I had both engine oil temperature and transmission oil temperature gauges. My cooling system was a babied fresh water (Lake Michigan) system that I had boiled out both the engine oil cooler and the transmission cooler. In other words, my cooling system was damn good, nice & clean and it worked well (I also had digital engine coolant gauges). Late in the season when the lake would warm up to about 60 - 70 degrees I would see engine coolant temps of 145, engine oil temps of 250 and transmission  temps of 150. This was at an optimum planing speed of 2900 rpm. There is no doubt the 427 has a serious engine oil heat problem. Chris didn't design and pay for that large engine oil cooler for any other reason than to keep engine oil heat within acceptable limits. I know 250 is OK for a good engine oil, but my gut still tells me it's damn hot. Remove at your own risk, but don't say you weren't warned against it. Same goes for the transmission cooler. It was put there for a reason :-) The picture below shows my auxiliary gauge panel the top four gauges are engine & transmission oil temperature.

To Dick’s point, removing would be bad. But you can move it. Both mine have those impossible-to-reach-coolers removed and the hole plated over. To cover cooling responsibilities, a remote cooler (similar to the one used on the trans) is mounted on the lower leading edge of the cooling tank. Much easier to clean, maintain, find, etc...

No guys I’m not removing them just want to clean them out and put them back in I did the trans cooler it was a mess.  I have the top haft of the motors torn down for a valve job. So I did the carbs distributors are getting sent out and paint them up. I removed the heads Exhaust and risers all at once they were heavy but not that bad some help would have been nice. After getting it off I removed the riser and then took them off the boat. With some heat I was able to get the long bolts out of the Exhaust manifold 

Matt Cowles said:

To Dick’s point, removing would be bad. But you can move it. Both mine have those impossible-to-reach-coolers removed and the hole plated over. To cover cooling responsibilities, a remote cooler (similar to the one used on the trans) is mounted on the lower leading edge of the cooling tank. Much easier to clean, maintain, find, etc...

guys your help for us new guys is awesome it’s nice to put it out there and see what guys that have been there think as all ways thanks guys 

Matt my distributors are going to see Dave  he said he can take care of them thanks 

I had VanNess revulcinize brand new rubber in the original mounts of a graymarine phantom four75 for my prewar Lyman runabout.

They turned out great but took over a year to get them back

Thomas Allgood said:

Matt my distributors are going to see Dave  he said he can take care of them thanks 

What’s the expected turnaround on vulcanizing rubber, Jeremy? I’m surprised it took you less than a year to find someone who could do that!? Ha!

Fortunately, he’s a bit quicker on distributors (at least was for me). Took like 4-6 weeks.

Hey Matt don’t know what happened with Dave vanNess  for my distributors  I sent him a text on the 26 of Dec and he got right back to me and said he could take care of them to send him my number. I did and have not herd back from him I have sent off  another text and I called him and got his voicemail and nothing very disappointing.         Tom 

Huh - that seems odd. Maybe he closed up for a bit over the holidays?

Don’t know Matt he sounded like a good guy and helpful. I will wait and see and reach out to him next week because I’m having no luck finding distributors or parts for our 427s 

Matt Cowles said:

Huh - that seems odd. Maybe he closed up for a bit over the holidays?

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