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DW Offline
#1 Posted : Tuesday, 24 May 2022 9:59:15 PM(UTC)
DW

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Hi All,

I have a red 253 - VR315204 with another set of numbers stamped on the left rear of the block? These read 226447 or could be 26447? there may also be a small 1 in front but hard to tell.

Never seen the 2nd set of numbers before

Eng date - 19B2

Cheers

Edited by user Tuesday, 24 May 2022 10:27:27 PM(UTC)  | Reason: Not specified

HK1837 Offline
#2 Posted : Wednesday, 25 May 2022 7:59:41 AM(UTC)
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That's a blue 4.2 although without the heads/intake etc they are the same thing just painted different colours (unless its one of the first 5 or so VB 4.2 which are the same block as earlier HZ).

The stamped numbers could be anything even something done when it was rebuilt at some stage.
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DW on 25/05/2022(UTC)
DW Offline
#3 Posted : Wednesday, 25 May 2022 12:49:52 PM(UTC)
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Cheers Byron

The heads are Red K 13 2 - 2812174

KC 308/253 Spread bore Dual plane aluminium intake manifold
HK1837 Offline
#4 Posted : Wednesday, 25 May 2022 1:13:28 PM(UTC)
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Someone has put HQ heads on it and a KC intake. Keep that intake if it isn't rotted out. You can use it on any HT-VL heads, fits all of them. And it is basically a copy of the V5H engine intake except some have ribs in the plenum floor (the V5H engines were all smoothed out when ported to copy L34 type mods).
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DW on 25/05/2022(UTC)
DW Offline
#5 Posted : Wednesday, 25 May 2022 1:28:50 PM(UTC)
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Will do

The R/H head is dated - 22L4

Missed it as I took em for being the same.

That would put it at - 22nd Dec 1984
HK1837 Offline
#6 Posted : Wednesday, 25 May 2022 3:58:19 PM(UTC)
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If its a HQ head it will be 1974. The centre bolts in the intake will give it up. One bolt 1974 and from a HJ or an LH. Two bolts 1984 and from a VK.
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DW on 25/05/2022(UTC)
DW Offline
#7 Posted : Wednesday, 25 May 2022 9:29:27 PM(UTC)
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By two bolt holes your referring to this head?



These both have the same 1 bolt arrangement.

I have a few sets of single bolt 74 heads and none that look like these with regards to the centre bolt casting.

Given the casting dates are many years apart, I don't understand why or how they have the same casting profile as shown?

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#8 Posted : Thursday, 26 May 2022 6:55:06 AM(UTC)
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Yes. The top one is basically 1980 onwards. There is only the 4 basic heads:

HT-HG.
HQ-HJ which includes LH and LX until 6/76.
HX-HZ which includes LX 6/76 onwards and VB.
WB and VC-VL. Also includes Bedford trucks with the silver 4.2 and 5.0L engines.

The first two types are essentially interchangeable, difference is the early type is missing the holes in the ends for power steer and aircon setups. They use the same intake design.
The 3rd type uses a single centre bolt in the same location as the first two types but has a U shaped EGR port. HX and HZ intakes look different but they interchange.
The last type is like your first picture.

The KC manifold is designed to fit all of the heads.

I can't see the ends of the heads in those lower images but they are both the first or second type.
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DW on 26/05/2022(UTC)
DW Offline
#9 Posted : Thursday, 26 May 2022 3:50:15 PM(UTC)
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3rd type U shaped EGR port?



72/74 head, Bracket holes

The Julien date coding is different with one set having the month first and the other after the day. This is whats making it confusing but obviously the coding changed then between 72 and 74 on the casting dates. I thought the month was moved later.


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#10 Posted : Thursday, 26 May 2022 4:20:50 PM(UTC)
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Yes, that U shaped port is the ADR27A red head introduced with HX mid 1976. The intake manifold with these was a shocker. Dropped the 5.0L from 250hp down to 216hp SAE Gross.

Yes, those are HQ-HJ heads with the bracket holes. The earlier ones were missing the boss up high under the rocker cover. Later HG might have migrated to HQ heads though, like they did for rocker covers (just not pressed out for the filler cap). The date coding changed during 1973. If its got a 28 cast number its late 60's or early 70's. Anything after that will be 99 or 92 or similar.
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DW on 27/05/2022(UTC)
DW Offline
#11 Posted : Friday, 27 May 2022 12:05:37 PM(UTC)
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Cheers Byron
DW Offline
#12 Posted : Friday, 27 May 2022 2:06:37 PM(UTC)
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Can you please explain to me why there is the cutout on the fwd end of a manual shift floor console? remove heat from the gearbox being trapped under the console? I can only find one part number for the ventilation ducting under the dash to marry up with the console. If this was the same component for all models then how did they put the hole in the ducting to accommodate the console?

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#13 Posted : Friday, 27 May 2022 2:54:27 PM(UTC)
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News to me!
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If we all had the same (good) taste, who would buy all the Fords?
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