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HQ 350 Engine information
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Rhys Offline
#1 Posted : Wednesday, 18 July 2007 9:32:16 PM(UTC)
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Hi Guys,

Just wondering if anyone can tell me anything about the differences between the two HQ 350 variants? I tried getting an exchange power steering pump from Australian Power Steering for 350 Statesman but they only had one type for the 350 and it was wrong. Plus I tried a heap of other suppliers who couldnt help.

I've heard there are two different types of 350s in the HQ. Mine is a Feb 1974 with engine number 12L525xxx and there is no ADR27 or ADR28 listed on the plate, and no carbon canister. The power steering pump low and high pressure pipes point down and not towards the firewall.

Someone said I had the early 350 variant which had more BHP and no ADR27 or 28, but being a Feb 1974 I thought it would be a late one? I've seen a similar Statesman 350 built in April 74 that had ADR27 and 28 listed.

If anyone could help out that would be greatly appreciated.
thanks
Rhys
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HK1837 Offline
#2 Posted : Wednesday, 18 July 2007 10:07:00 PM(UTC)
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To be an original Holden 350 the engine number should start with 11QU or QU. Despite that it may just have been an exchanged block. Hopefully Warren will be able to help you out on the changes to the 350 between 1971 and 1974

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Rhys Offline
#3 Posted : Wednesday, 18 July 2007 10:31:39 PM(UTC)
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Thanks Byron. I was going by the number on the rego paper as I don't have the vehicle with me at the moment. The complete number on the rego paper is 12L525744V11020DD. To me it seems too long or must have been written down incorrectly sometime when it wa
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Rhys Offline
#4 Posted : Wednesday, 18 July 2007 10:31:39 PM(UTC)
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Thanks Byron. I was going by the number on the rego paper as I dont have the vehicle with me at the moment. The complete number on the rego paper is 12L525744V11020DD. To me it seems too long or must have been written down incorrectly sometime when it was
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Guest
#5 Posted : Friday, 27 July 2007 8:07:03 AM(UTC)
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hi Rhys
have you managed to get the details of the 350 engine number? Im quite intrigued, if you have a copy of The Monaro Story, thats probably a good start ..
cheers frank
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#6 Posted : Friday, 27 July 2007 8:07:03 AM(UTC)
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hi Rhys
have you managed to get the details of the 350 engine number? I'm quite intrigued, if you have a copy of The Monaro Story, thats probably a good start ..
cheers frank
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JBM Offline
#7 Posted : Friday, 27 July 2007 8:27:37 AM(UTC)
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Try this site, it lists the part numbers for Chev blocks.

http://www.mortec.com/castnum.htm

James

You only have to be in front at the end of the race.
You only have to be in front at the end of the race.
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Rhys Offline
#8 Posted : Friday, 27 July 2007 6:23:19 PM(UTC)
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I just had a look yesterday, and its got 12L525744 in small writing on the left, followed by a space, and then V1102CDD in larger print.

Just tried the link JBM, and it didnt work. Could you check to make sure its right?

thanks
Rhys
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Rhys Offline
#9 Posted : Friday, 27 July 2007 6:23:19 PM(UTC)
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I just had a look yesterday, and its got 12L525744 in small writing on the left, followed by a space, and then V1102CDD in larger print.

Just tried the link JBM, and it didn't work. Could you check to make sure its right?

thanks
Rhys
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JBM Offline
#10 Posted : Friday, 27 July 2007 7:02:31 PM(UTC)
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I just tried it and it worked for me? The numbers it uses is the number near the dizzy, so you might have to climb over the back if its in a car.

James

You only have to be in front at the end
You only have to be in front at the end of the race.
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ozchevy Offline
#11 Posted : Friday, 27 July 2007 11:13:04 PM(UTC)
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V1102CDD


If you are researching a car that is supposed to be "matching numbers" then keep in mind that the engine date must precede the car build date, otherwise something is amiss. Some engine machining operations (decking) will obliterate the engin
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ozchevy Offline
#12 Posted : Friday, 27 July 2007 11:18:37 PM(UTC)
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Rhys Offline
#13 Posted : Monday, 6 August 2007 4:43:15 AM(UTC)
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Thanks JBM and ozchevy. I assume from the numbers that there is no way that it could be the original engine that the car had out of the factory?

What is the usual difference in dates between when the engine was cast and when it was put in the vehicle.
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HK1837 Offline
#14 Posted : Monday, 6 August 2007 4:58:26 AM(UTC)
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Yes they were all imported but from Canada for HQ, not the US.

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If we all had the same (good) taste, who would buy all the Fords?
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If we all had the same (good) taste, who would buy all the Fords?
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byjingo Offline
#15 Posted : Monday, 6 August 2007 5:09:38 AM(UTC)
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I had a Sydney built 10/73 HQ350 Statesman and the engine was built(assembled) 12/72 in the US. But it would differ from plant to plant in Australia, and also if you had a manual or automatic vehicle. If you are looking for the right engine for your car t
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Rhys Offline
#16 Posted : Friday, 14 September 2007 10:24:30 PM(UTC)
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Ive managed to track down the number of the original engine that was fitted to my HQ. It is 11QU13180K0926. Byron or Warren is it possible to tell me anything about this engine?

Can the NSW or Vic RTA track if there is a registered vehicle with this en
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Rhys Offline
#17 Posted : Friday, 14 September 2007 10:24:30 PM(UTC)
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I've managed to track down the number of the original engine that was fitted to my HQ. It is 11QU13180K0926. Byron or Warren is it possible to tell me anything about this engine?

Can the NSW or Vic RTA track if there is a registered vehicle with this e
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Guest
#18 Posted : Saturday, 15 September 2007 6:22:27 PM(UTC)
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Not really only that it is the engine for your car, built in Canada on the 26th of September.

If the engine was replaced by mechanic then there is a good chance it was an exchange engine, so if it was sent to repco it could now be anywhere in Australia
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Rhys Offline
#19 Posted : Monday, 17 September 2007 8:06:59 AM(UTC)
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Thanks Warren,

Looks like Ill stick with the engine thats in it!

cheers
Rhys
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Rhys Offline
#20 Posted : Monday, 17 September 2007 8:06:59 AM(UTC)
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Thanks Warren,

Looks like I'll stick with the engine thats in it!

cheers
Rhys
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