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Rusty HQ Offline
#61 Posted : Thursday, 4 February 2016 3:07:35 PM(UTC)
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Originally Posted by: HK1837 Go to Quoted Post


Any photos of the intake manifold?
This definitely came from a GMH assembled 1967 Impala? If so I reckon FE327CHEVY's also came from a 1967 Impala or Parisienne.
Do you know which GMH assembly plant assembled the car?



I went down and took some photo's of the intake today (I actually just gifted the 327 to a friend.)

This 327 is from my Impala which I've owned for about 4 years. The previous owner owned it for well over a decade. I've been given no reason to think it's anything other than the original engine out of this vehicle.














HK1837 Offline
#62 Posted : Thursday, 4 February 2016 3:42:03 PM(UTC)
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That is a Saginaw cast intake. Same as FE327CHEVY's.
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FE327CHEVY Offline
#63 Posted : Sunday, 8 May 2016 1:57:50 PM(UTC)
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Hey mate. I found a "HI" on the block. This comes out to 250 hp four barrel manuals for 1968 and 1965. This article calls the same engine an L30. These have the 75cc heads. If I could find canadian cars or trucks with HI engine suffix I think it might help. That guy with the impala has similar number to mine. The 1965 corvette with hi might have been 250 HP due to dual exhausts. But police packs were dual exhaust and the quadrajet carry is what gave it a 240 HP rating with single exhaust. Is that right.
HK1837 Offline
#64 Posted : Sunday, 8 May 2016 5:07:10 PM(UTC)
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HI has 3 x uses:

1965 250hp 327 4BBL manual with A/C Corvette.
1968 250hp 327 4BBL manual full size.
1969 250hp 350 2BBL full size.

You'll only find the HI though on the end of the date code on the engine number pad, not in the casting.

1965 250hp is a different engine, it is the base 327 for Corvette in 1965. It won't normally have a code as it is the base V8. It won't be a Quadrajet either, but a Carter or one of those earlier Rochester things.

The HP ratings are SAE Gross so exhaust doesn't come into the equation, but exhaust manifolds do.

The 1968 250hp 327 L48 HI is the same engine we got here in the GTS327. I agree that some US literature shows this engine option as 75cc heads and between 8.5 and 8.75:1 compression, and this is what is in the technical data also. BUT this is the problem, as our 327 and any others from Tonawanda (which will include Canadian stuff as they didn't make 4BBL 327's so would have imported them from Tonawanda) got 69cc heads for about 9.1:1 compression.

The 1967 4BBL 327 was 240hp I think as it had 75cc heads, as that is the only difference I can find between the 1967 4BBL 327 and the 1968 version with 69cc heads(that we got here). Same Quadrajet, same inlet manifold, same cam, same dizzy. Finding data on the 4BBL 240hp 1967 engine is hard though as it was a rare option.

Edit - I just found what the 1965 250hp 327 is. It is 10.5:1 engine, and is PO L30 in full size Chevy. This is the 1965 version of the 1967-1968 L30 which was 275hp - the main difference for 1967-1968 is a slightly smaller but hydraulic cam and slightly less compression (slightly larger combustion chambers for 10:1) and the biggie - a Quadrajet (the 1965 got a Carter) which is where most of the extra peak hp comes from as the Crater is a far smaller carby.

Edited by user Sunday, 8 May 2016 8:16:16 PM(UTC)  | Reason: Not specified

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FE327CHEVY Offline
#65 Posted : Monday, 9 May 2016 3:55:58 PM(UTC)
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OK. So just an update, thanks for clearing that up with it not being related to the casting. With that said, we can safely say that my virgin block engine, with double row timing chain, exhaust rotators and the 3714492 is definitely not a truck engine. There's no evidence anywhere for that, even on paint layers.

It had blue valve covers, which may mean it was a police motor, but I will never know. It is however, the copo option for 1967 for a police car.

It is also the same engine for the ckd Australian built impala. I confirmed with a guy who has a 67 impala that my same block number is in his but and same configuration. So I am satisfied that due to no Canadian heads being 4482 and American heads of the same type are a different number, I can fairly well confirm that this is likely to be a police motor or anything else with a copo option in the car range.

Can you confirm with me that these heads on mine are a rare type or are they found on the 240 HP impala for 1967, across the board. Richard has never seen an rpo code for American police cars.

Was this the head you said that you have seen plenty of? It's staggering that there's next to no info on the Aussie ckd impala numbers.

Also, this means that this motor was given a four barrel from an American plant. We discussed that earlier because my manifold doesn't have a T.
FE327CHEVY Offline
#66 Posted : Monday, 9 May 2016 4:40:16 PM(UTC)
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Just keeping this point separate, my heads were made only a few hours apart from the ones shown in the pics from Rystyhq. But the block 352 bit on mine is in a different spot down much lower and mine doesn't have the big slaggy edge preceding the casted engine number. Mine is a February cast block. So does that mean anything if the numbers are lower on mine at the back of the engine. Some other numbers are different in the casting too. My intake is same as rustyhq but has GM3 on it, but that means nothing cos Saginaw made so many. The block has g3 on it instead of his g4 too. Also, for your info, that batch of Corvette intakes that were stockpiled in 66 for use in 1967 Corvettes, were not made again until 8 months later because they did a catch up run in 1 day cos there were more cars made than anticipated so they were done in February. So I would think a block tooling change might take longer. So my block,might have been used cos it's a feb block casting from somewhere else perhaps but machined and finished at mckinnon. What you think. So this is relevant to your cause cos the 1967 year info is a bit murky and some shakeups seemed to be happening, like with Studebakers too. There's now no evidence that my heads are truck heads because I can't find any reference to them used in trucks.

Edited by user Monday, 9 May 2016 6:27:43 PM(UTC)  | Reason: Not specified

HK1837 Offline
#67 Posted : Tuesday, 10 May 2016 8:45:01 AM(UTC)
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Those differences could easily just be the different patterns used to make the sand castings. I don't think the 482 heads will be rare, all 2BBL 1967 327 engines assembled in Canada should have them. The only difference between the 2BBL 327 and the 4BBBL is the intake and carby, so to build the COPO engine (or those for Australia) they just had to fit a 4BBL intake and Quadrajet.

I'm almost convinced your engine is from a GMH assembled 1967 Pontiac or Chevrolet. It does appear by yours and by Rusty's that the engine numbers for these were stamped at McKinnon Industries.
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castellan Offline
#68 Posted : Thursday, 12 May 2016 3:00:50 PM(UTC)
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Originally Posted by: Rusty HQ Go to Quoted Post
Originally Posted by: HK1837 Go to Quoted Post


Any photos of the intake manifold?
This definitely came from a GMH assembled 1967 Impala? If so I reckon FE327CHEVY's also came from a 1967 Impala or Parisienne.
Do you know which GMH assembly plant assembled the car?



I went down and took some photo's of the intake today (I actually just gifted the 327 to a friend.)

This 327 is from my Impala which I've owned for about 4 years. The previous owner owned it for well over a decade. I've been given no reason to think it's anything other than the original engine out of this vehicle.















K158 casting date on the intake.
She has ribs just like a ADR27A 308 HX Holden intake manifold has inside as well.
HK1837 Offline
#69 Posted : Thursday, 12 May 2016 3:34:56 PM(UTC)
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It is K156 which is correct for a mid 1967 model SBC. From memory the basic SBC manifolds have the directional ribs only on the shorter manifold ports side, the ones with more vertical air flow don't have it. It may well be to slow the air-fuel mix down on the shorter side to equal the flow out across all cylinders.
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castellan Offline
#70 Posted : Friday, 13 May 2016 11:51:03 AM(UTC)
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Originally Posted by: HK1837 Go to Quoted Post
It is K156 which is correct for a mid 1967 model SBC. From memory the basic SBC manifolds have the directional ribs only on the shorter manifold ports side, the ones with more vertical air flow don't have it. It may well be to slow the air-fuel mix down on the shorter side to equal the flow out across all cylinders.



The intake on the less depth side looks to me too be a way of giving better direction maybe as the air is being sucked and not to mention them old Chev engines have a crappy firing order, it maybe to help with that maybe, just maybe.

Edited by user Friday, 13 May 2016 11:56:08 AM(UTC)  | Reason: Not specified

griffo Offline
#71 Posted : Sunday, 15 May 2016 6:49:14 AM(UTC)
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Originally Posted by: HK1837 Go to Quoted Post
Just wondering if anyone here knows anyone with a very original one of these complete with its original 4BBL 327 engine?

These are very elusive cars. The 1968 versions with the same engine as the HK are pretty plentiful both here and in the USA, but the L73 4BBL 327 was a COPO only option in 1966-1967 in the USA and Canada, and normally only on Police vehicles.

We are trying to find one to see where its engine was sourced from, ie is it a Flint or Tonawanda engine, what sort of engine number GMH added (if any) and what carby they got, plus other similar stuff.



Are still after info about this HK?...Its that where I now live there is a guy that has a 1967 327 Impala...I don't know him personally but have ran into him several times...If you like I can approach him with ref to your enquiry.

Ian.
HK1837 Offline
#72 Posted : Sunday, 15 May 2016 9:39:18 AM(UTC)
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Yes please. Mainly interested in engine number pad, where the block, heads and intake were cast.
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61imp Offline
#73 Posted : Wednesday, 4 April 2018 8:39:45 AM(UTC)
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I know this is an old thread but is there any interest in this topic still? I have one of these engines in my impala. Not original to my car as the 327 wasn't available when my car was built. Engine number is xxxxxx K0127. Has 4 barrel intake and I can't recall head cast number (did not write number down when I had the rocker covers off) but is definitely either 290 or 185 cast.
I'm new to the forum so hello every body!
61imp Offline
#74 Posted : Wednesday, 4 April 2018 9:59:00 AM(UTC)
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Heads are actually 3814482. Have the same cast mark as 290 and 185. Intake 3805393.
HK1837 Offline
#75 Posted : Wednesday, 4 April 2018 10:11:53 AM(UTC)
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3814482 are 75cc and 1.72/1.5 valves. Means the engine is 8.5:1 if 327 flat tops. What is in front of the K0127? Is it some random looking number? I suspect GMH used something very different prior to the start of HK Holden V8. As there is nothing after the 27 it must be from a GMH assembled vehicle. What is the cast date on the block? It is on the side of these, will probably be something like 5Lxx or 5Kxx or 6Axx (xx is the date of the month so good be a single or two digit number). Are the heads Saginaw, Tonawanda or McKinnon cast? Saginaw have no plant letter on them and the ends (where the cast mark is) are machined, Tonawanda has a big T under the rocker cover area, same size as the big R on the intake under the firing order on the manifold and the cast mark is rough cast. McKinnon have a little raised square under the rocker cover area with an M in the middle of it, or they say CANADA.

Edited by user Wednesday, 4 April 2018 10:15:32 AM(UTC)  | Reason: Not specified

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61imp Offline
#76 Posted : Wednesday, 4 April 2018 11:08:10 AM(UTC)
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Originally Posted by: FE327CHEVY Go to Quoted Post
Gday. I have seen your discussions on various forums about your hk research. I have an engine here that I would like help identifying and/or might interest you.

It's a 1967 Canadian built 327 with 3903352 block, a 3905393 intake with quadrajet, HI cast on engine, PP 4482 heads, 1111150 dizzy, had blue valve covers and the heads are late 66 cast but engine and heads are early 1967. Interesting how this intake is also on the 350 of the same year.

Other info I found for you but can't remember why (you have many threads lol) but FYI the 3919803 intake is the same casting as 3844459. Cam has number 2993 from memory.

Going by all the parts, they check out as possible impala, camaro, Chevy ii or chevelle.

BUT it has an interesting number, suffix code. I thought it might be a police motor cos I've never seen blue valve covers on a 327? And although not completely weird for 1967, it has the following number: 15393 k0213.

I was thinking perhaps it was to replace a Biscayne six with the "153" but not sure.

Anyway I have the engine disassembled if you would like to know anything about it. PS; That intake only correlates with 275hp cars, so I thought it was an L30.


My engine is basically identical to this but it had Pontiac rocker covers.
61imp Offline
#77 Posted : Wednesday, 4 April 2018 11:19:44 AM(UTC)
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Engine number 145624 K0127

Cast date A207

Heads are canada gm with a square and 6 underneath.

Cast number 3814482. Under cast number are some letters
A
D N


FE327CHEVY Offline
#78 Posted : Sunday, 8 April 2018 10:06:55 PM(UTC)
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Hi. I am interested.
61imp Offline
#79 Posted : Monday, 16 April 2018 8:51:08 PM(UTC)
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Cool! Looks like my 327 was from a 1967 Pontiac. I had forgotten the rocker covers had Pontiac in script and the Pontiac diamond logo. It is low comp. Runs ok though! It could possibly be original never rebuilt.
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