Introduction to the Nuffield 4/65 project | Part 1

Today I decided to show you all what I pulled apart on old faithful and find out why the motor is pushing coolant out the radiator.
Please consider liking the video and subscribing if you want more content like this.
Cheers 👍

[@threewhiteshadowz1395]

Hi,
I am surprised that you say the Leyland (Blue Engine) is bored out. I always thought that the 10/60 & 4/65 Nuffield's, along with the 384 Leyland used an engine with the same bore & stroke.
The differing power outputs down to injector pump setting. The 10/60 ran at 2000 rev's , where as 4/65 and 384 (if my aging memory is correct) run at max revs of 2200.
Good video - nice work !

[@BIGRIG2005.]

Both the engines are the same size (3.8L), but the blocks on the later motors themselves are bored out. This is because the earlier 4/60, 10/60 and 4/65 had a tendency for the liners to go porous due to the small thickness of the liners. To accomodate thicker liners and keep the same displacement, the blocks were bored bigger from what I have gathered to support thicker liners. This is what I found when ordering liners, as the 384 engine has liners that are a couple of thou bigger

[@threewhiteshadowz1395]

@@BIGRIG2005. Thank you. Now it makes sense to me. Keep up the good work!
Greeting from Vic.

[@grahameroberts8109]

Good to see a young bloke getting stuck into these jobs. You seem to have a lot of knowledge for your years. Are you a mechanic or have you just absorbed information from others as you’ve grown up?

[@BIGRIG2005.]

I’m no mechanic haha, but I have inherited a little bit of knowledge over my years.

[@StevenSmith-su8fq]

The cylinder heads on the BBC engines are prone to cracking what I would do is to get it pressure tested which can be done even if the head is worped if it passes then get it claimed happy days

[@BIGRIG2005.]

Yep had all that work done. I got it skimmed, crack test showed up negative and I also fitted new valves and guides to it while it was being fixed.

[@StevenSmith-su8fq]

Prodicktive Texe does my head in last comment bmc not bbc .get it skimmed not claimed