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#1 4.2 cylinder head water holes

Posted: Mon May 30, 2016 10:19 am
by Vegard
As some of you know, I'm in the process of removing the Str?mbergs.
Two hours work, and voila!

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So, now what?

Freeze plugs in the cylinder head? Could it be that easy?? :)

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Also. I need some new water hoses and a thermostat housing. Are these readily avalable?
On the inlet, there is also a small take off with three holes. Temp sensor?

#2

Posted: Mon May 30, 2016 10:47 am
by PeterCrespin
Yes, core plugs in the head, installed with epoxy preferably, since the casting has not been machined smooth for them.

The temp sender screws in after you remove the existing remains. The triangular plate is for an auxiliary carb Otter switch that works the opposite way to a fan Otter (i.e. Normally closed). The thermostat housing will need to be 3.8 E or saloon if it lines up with your header tank inlet.

#3 Re: 4.2 cylinder head water holes

Posted: Mon Oct 24, 2016 8:14 pm
by Vegard
The water holes were infact machined. Bought a couple of freeze plugs on EBay, et voila. Dead easy :)

#4 Re: 4.2 cylinder head water holes

Posted: Tue Oct 25, 2016 8:48 am
by ralphr1780
Nice work!
Conc freeze plugs, which size or ref was needed?
I see you have opted for the Mangoletsi kit, curious to read your report once running as I am contemplating this upgrade for hopefully next spring.