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HK1837 Offline
#1 Posted : Thursday, 18 January 2024 6:29:08 PM(UTC)
HK1837

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Quick question.

I know the V8 heads inside out.

But what exactly changed when the 173/202 head went from casting numbers 2811929 (H) and 2811930 (L) to 9937262 (H) and whatever the 2850cc head was? These are the HX-HZ, late LX and UC plus VB heads.

I remember vaguely it was just an extra threaded hole for the head temperature sensor maybe? The rest was identical to the HQ-HJ castings?
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Dr Terry Offline
#2 Posted : Friday, 19 January 2024 6:21:50 AM(UTC)
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I think that was about it. The extra lug cast near No.1 & 2 cyls for the extra temp sensor.

Dr Terry
If at first you don't succeed, just call it Version 1.0
HK1837 Offline
#3 Posted : Friday, 19 January 2024 6:57:25 AM(UTC)
HK1837

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Thanks Terry. I was at a place yesterday with a dozen or so red heads, and know someone looking for a 929 head. I'd told him the pollution 2850 head will do exactly the same job but just wanted to confirm.
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If we all had the same (good) taste, who would buy all the Fords?
Dr Terry Offline
#4 Posted : Saturday, 20 January 2024 7:47:19 AM(UTC)
Dr Terry

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I remember one of the old engine reconditioning companies used to supply 'exchange' heads for HX/HZ 6-cyl engines by just welding a nut to the head to take the extra temp sensor.

Dr Terry
If at first you don't succeed, just call it Version 1.0
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