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Brock heads
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arse_wipe Offline
#1 Posted : Tuesday, 21 August 2007 6:46:31 PM(UTC)
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Im looking at buying a set of 'B' cast heads with roller rockers and port matched brock manifold,,
What would the casting numbers be and what's a ball park figure on the value so I know I'm not getting ripped?
cheers
John

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#2 Posted : Tuesday, 21 August 2007 7:43:03 PM(UTC)
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HK1837 Offline
#3 Posted : Tuesday, 21 August 2007 10:13:47 PM(UTC)
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I have a couple of Brock valley covers, but as far as I know they dont have a different casting number to the normal one - they are just machined out.

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HK1837 Offline
#4 Posted : Tuesday, 21 August 2007 10:13:47 PM(UTC)
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I have a couple of Brock valley covers, but as far as I know they don't have a different casting number to the normal one - they are just machined out.

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Dr Terry Offline
#5 Posted : Tuesday, 21 August 2007 10:42:21 PM(UTC)
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Hi Byron.

Can you give me the casting numbers of those 'Brock' ones Byron.

Also, do you have any HT/HG or HQ/HJ inlet manifolds (2 or 4 barrel). If so, can you record those numbers as well.

Thanks, in advance.

Dr Terry.
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Dr Terry Offline
#6 Posted : Tuesday, 21 August 2007 10:42:21 PM(UTC)
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Hi Byron.

Can you give me the casting numbers of those Brock ones Byron.

Also, do you have any HT/HG or HQ/HJ inlet manifolds (2 or 4 barrel). If so, can you record those numbers as well.

Thanks, in advance.

Dr Terry.
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arse_wipe Offline
#7 Posted : Tuesday, 21 August 2007 10:44:09 PM(UTC)
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Thanks Byron,
This one has a casting number of 92015955, has no ribs, kidney shaped and has the middle divider milled down,,,,
What would be the difference in the heads? , are they just like yella terra?
cheers
John

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HK1837 Offline
#8 Posted : Wednesday, 22 August 2007 6:19:25 AM(UTC)
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A big B on one end!
Terry, will do. I have a HT/G 308 valley, but I threw all the 253 ones away. I know one of the inlets came off an ex VK Police car. It had the windage tray and manifold but normal black heads. Will look.

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HK1837 Offline
#9 Posted : Wednesday, 22 August 2007 6:50:26 AM(UTC)
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Terry

I just had a look, and all the "thrown out" 253 ones are still in the scrap pile, so here is what I have:

HT/G 308 - 2812094 (I have 2 of these with the threaded hole to the passenger's side of the thermostat);

HQ 253 - 9928683 (I assume th

Edited by user Wednesday, 22 August 2007 6:55:06 AM(UTC)  | Reason: Not specified

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HK1837 Offline
#10 Posted : Wednesday, 22 August 2007 6:50:26 AM(UTC)
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Terry

I just had a look, and all the "thrown out" 253 ones are still in the scrap pile, so here is what I have:

HT/G 308 - 2812094 (I have 2 of these with the threaded hole to the passengers side of the thermostat);

HQ 253 - 9928683 (I assume thi

Edited by user Wednesday, 22 August 2007 6:55:06 AM(UTC)  | Reason: Not specified

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arse_wipe Offline
#11 Posted : Wednesday, 22 August 2007 7:22:34 AM(UTC)
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[quote]Originally posted by Byron Rich
A big B on one end!

???, they didn't have bigger valves nor any porting done ???,,
you are just joking right, or do you not know ???
Cheers
John

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arse_wipe Offline
#12 Posted : Wednesday, 22 August 2007 7:22:34 AM(UTC)
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[quote]Originally posted by Byron Rich
A big B on one end!

???, they didnt have bigger valves nor any porting done ???,,
you are just joking right, or do you not know ???
Cheers
John

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HK1837 Offline
#13 Posted : Wednesday, 22 August 2007 7:40:02 AM(UTC)
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They do have bigger valves and minor port work, but the B is how you pick them. Not all "HDT" engines had them. I think all the Brocks did, but some of the Police cars had the manifold, windage tray etc but not the B cast heads.

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arse_wipe Offline
#14 Posted : Wednesday, 22 August 2007 8:18:52 AM(UTC)
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Thanks for that,
I knew they had the B, the ones I have to go and pick up do,, but didnt know if they were particularly special, or just similar to yella terra,,,,
Cheers
John

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arse_wipe Offline
#15 Posted : Wednesday, 22 August 2007 8:18:52 AM(UTC)
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Thanks for that,
I knew they had the B, the ones I have to go and pick up do,, but didn't know if they were particularly special, or just similar to yella terra,,,,
Cheers
John

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adam PERTH Offline
#16 Posted : Wednesday, 22 August 2007 10:37:17 AM(UTC)
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Wipe-y,
here is a good thread off another site.
http://www.aussiev8.com.au/showthread.php?t=12445

A1 Bogan.
Old holdens brought on the spot, quick decision, cash paid.
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arse_wipe Offline
#17 Posted : Wednesday, 22 August 2007 4:27:26 PM(UTC)
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Thanks Adam, some interesting reading on a few threads
Cheers
John

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John
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arse_wipe Offline
#18 Posted : Thursday, 23 August 2007 5:52:35 PM(UTC)
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New question, (sorry to be a pain).
Is there any difference in the brock cranks and blocks compared to standard?
Only reason I ask is that the heads I have bought also come with a block, cranks pistons and rods,(one set has the wide 'X' on them)flat top
Cheers
John
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arse_wipe Offline
#19 Posted : Thursday, 23 August 2007 5:52:35 PM(UTC)
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New question, (sorry to be a pain).
Is there any difference in the brock cranks and blocks compared to standard?
Only reason I ask is that the heads I have bought also come with a block, cranks pistons and rods,(one set has the wide X on them)flat tops
Cheers
John
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HK1837 Offline
#20 Posted : Thursday, 23 August 2007 10:19:04 PM(UTC)
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Cranks are the same, blocks differ (IIRC) only by the engine number. The X rods are standard in carbied black motors pre A9L (carbied VL Group A), but these were a narrow X - the wide X is an L34 rod.

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