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Silverfox Offline
#1 Posted : Tuesday, 7 June 2022 10:28:50 PM(UTC)
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Hello.


My fan shroud is broken. Jan 69 type two engine. I would like to start by finding out exactly what it is made of. If I learn that then it might be possible to repair it with similar comparative materials. It appears to be A.B.S. Luckily it is going into winter and I can presently drive distances without detriment.

Can anyone please help with either a shroud or suggest a method of achieving structurally sound repair?

Thanks in advance. Nick.
"HOLDEN MONARO. OUT TO DRIVE YOU WILD!"
Silverfox Offline
#2 Posted : Wednesday, 8 June 2022 9:32:10 PM(UTC)
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Hi

Just noted 64 have had a look at the thread .......no comments yet. Someone out there must know something about repairing. I would most likely not be the only person on Fastlane with this problem. PLEASE. can we get at least a small amount of dialogue on this problem. I for one would be very grateful for some discussion. Thank you. Nick.
"HOLDEN MONARO. OUT TO DRIVE YOU WILD!"
Premier 350 Offline
#3 Posted : Wednesday, 8 June 2022 9:41:16 PM(UTC)
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Talk to a dedicated plastic welder perhaps? They should be able to ID the material. Or perhaps a fibre glass specialist.
Attn camry drivers. The accelerator is the skinny pedal on the right.
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Silverfox on 13/06/2022(UTC)
greenhj Offline
#4 Posted : Thursday, 9 June 2022 9:08:53 PM(UTC)
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How bad is it broken and how easy to see from typical viewing positions?

Its very hard to explain but each type of common polymer has distinct odours and characteristics when burned. If you have a sample of identified polymer and are willing to take a small sample from your shroud, like a toothpick size scrape from somewhere, you should be able to ID the type fairly easily.

Any decent plastic fabricator should be able to fix it.

Edited by user Thursday, 9 June 2022 9:24:25 PM(UTC)  | Reason: Not specified





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now being rebuilt with less cam, much less comp, and enough turbo to smash a holden block to bits..
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Silverfox on 13/06/2022(UTC)
greenhj Offline
#5 Posted : Thursday, 9 June 2022 9:12:58 PM(UTC)
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I have successfully cut up and stitched pieces into an ABS dash using not much more than a soldering iron but the issue is hiding the repair if thats a concern, it wasnt for me since I was filling, sanding and spraying with stone guard (piss weak spray can stuff for texture, not the proper goo) but it might be a problem for a car where such things matter.




[email protected] NA
now being rebuilt with less cam, much less comp, and enough turbo to smash a holden block to bits..
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Silverfox on 13/06/2022(UTC)
RigPig Offline
#6 Posted : Sunday, 12 June 2022 6:21:59 PM(UTC)
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Originally Posted by: Silverfox Go to Quoted Post
Hello.

Can anyone please help with either a shroud or suggest a method of achieving structurally sound repair?



My money is on polypropylene

https://www.polyvance.com/vista.php
"I would never want to be a member of a group whose symbol was a guy nailed to two pieces of wood" (George Carlin)
HK1837 Offline
#7 Posted : Tuesday, 21 June 2022 8:56:44 AM(UTC)
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Nick

I did some digging for you.

Which shroud is correct for your car is really a mystery. We know the December 1968 cars like Wayne's that were designed for a 1968 Chevrolet 327 but were fitted with the 1969 Canadian 327 were a bitza, and the shroud on them is the relatively common polyprop one the same as what was fitted to 307 but butchered to suit the later radiator. GMH then had a shroud made to fit that I believe will be 'glass reinforced like the other low volume shrouds (although this is not proven as yet). No-one is really sure exactly when this one became the fitted part, and given your car is an Acacia Ridge build where very few cars were made you may never know. GMH appeared to have had the high volume shrouds made in the tens and hundreds of thousands made out of polyprop and the shrouds they only made in the 100's out of 'glass (like HK-HZ 6cyl with A/C or HT-HG 350) - I think the later GTS327 shroud will be like this but not certain at the moment.

There is four options I can see for you:

1. Fix yours, it will be able to be welded and sanded like a wizbin.
2. Find a HK-HT 307 shroud which is what yours is, but it will require you butchering a valuable shroud which might see you lynched by GTS327 or 307 powered HK-HT owners!
3. Rare Spares had a faithful polyprop replica of the HK-HT 307 shroud but it was missing the part number. There was 1000 or so of these made so there will be one around somewhere. Butcher one of these, you could even stick the part number onto it.
4. The current Rares shroud is 'glass, and it will probably look correct for a proper GTS327 with full type 2 bits as it is a shiny, smooth finish, but it will also most likely have to be modified like yours is for the lower hose. These are very cheap.
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abi Offline
#8 Posted : Thursday, 23 June 2022 11:47:06 AM(UTC)
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I have a march 69 327 from Pagewood and it has a FRP shroud. not sure if original but I have owned it since the mid ninetys and it looked very old back then. Interested to know what shrouds others have on pagewood cars from 69?
HK1837 Offline
#9 Posted : Thursday, 23 June 2022 1:01:36 PM(UTC)
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I suspect that is your original, are you able to attach an image of yours? They won't be different between assembly plants as virtually everything for each assembly plant came from the same sources - GMH procured everything on contracts or built stuff in one location to send out to the VAP's and BAP's. The differences are how things were put together at the BAP and VAP as in how panels were welded to make the shells and how the paint was applied and when it was applied. It may be that one VAP was in front of the other schedule wise so you see the proper type 2 shroud at one VAP ahead of another VAP though, but you'd only expect this to be a short period - like less than a week.
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abi Offline
#10 Posted : Saturday, 25 June 2022 9:42:30 AM(UTC)
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Thanks HK, pics can be a struggle on this site, i'll see what i can do
HK1837 Offline
#11 Posted : Saturday, 25 June 2022 10:21:35 AM(UTC)
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Just add them to an album, then attach to the post.
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wbute Offline
#12 Posted : Saturday, 25 June 2022 2:20:44 PM(UTC)
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I don’t think it’s possible from an iPhone. Might work on pc.
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#13 Posted : Monday, 27 June 2022 12:09:13 AM(UTC)
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Google : Plastic Welders repairs fabrication. As somebody has already mentioned. They can Repair any plastic you bring in. Ring one or 2, they’re out there.
RigPig Offline
#14 Posted : Monday, 27 June 2022 1:45:53 AM(UTC)
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Shroud 7435372 was superseded by 2809615 in the engineering parts list on 21st January 1969 (Item 5 revised)

That dosent mean shroud 2809615 was actually installed on your car but I would think its highly likely because the information in the engineering parts lists was usually lagging not early.

It at least means your broadcast sheet would have listed shroud 2809615 for your car, I'd put money on that

Wayne
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#15 Posted : Monday, 27 June 2022 8:13:57 AM(UTC)
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That EPL revision tells us the new fan shroud was not used in production prior to the revision date of 21/01/1969.
The EPL and any evolutionary revisions always comes first otherwise the assembly line does not know which parts are required to build a specific model and variant.
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#16 Posted : Tuesday, 28 June 2022 12:47:27 AM(UTC)
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Originally Posted by: 8D11PCH2 Go to Quoted Post
That EPL revision tells us the new fan shroud was not used in production prior to the revision date of 21/01/1969.
The EPL and any evolutionary revisions always comes first otherwise the assembly line does not know which parts are required to build a specific model and variant.


Alright heres some examples:

Carby 7027213 was superseded by 7029283 on the 21st of January in the EPL but it was installed on T2 327 cars well over a month before that date.

The broadcast sheet for my T2 327 lists a few T1 327 parts that were not actually installed on the car, they were incorrectly listed because the EPL wasnt up to date.

Carby fuel pipe 3911060 was superseded by 3942582 on 15th of December 1968 in the EPL.
Pipe 3942582 was installed in my car before that date and my broadcast sheet incorrectly shows (060) 3911060

Same for the radiator (649) 7437649 listed in my broadcast sheet but 2806340 was actually installed.

Thats why I'm saying the EPL's and the broadcast sheets were not always up to date in 1968-9 especially during the T1 T2 327 change every change seemed to be days or weeks late, none were early from what I've seen.

So I'm guessing that may include Nicks shroud too
"I would never want to be a member of a group whose symbol was a guy nailed to two pieces of wood" (George Carlin)
8D11PCH2 Offline
#17 Posted : Tuesday, 28 June 2022 7:03:08 AM(UTC)
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Originally Posted by: RigPig Go to Quoted Post
Originally Posted by: 8D11PCH2 Go to Quoted Post
That EPL revision tells us the new fan shroud was not used in production prior to the revision date of 21/01/1969.
The EPL and any evolutionary revisions always comes first otherwise the assembly line does not know which parts are required to build a specific model and variant.


Alright heres some examples:

Carby 7027213 was superseded by 7029283 on the 21st of January in the EPL but it was installed on T2 327 cars well over a month before that date.

The broadcast sheet for my T2 327 lists a few T1 327 parts that were not actually installed on the car, they were incorrectly listed because the EPL wasnt up to date.

Carby fuel pipe 3911060 was superseded by 3942582 on 15th of December 1968 in the EPL.
Pipe 3942582 was installed in my car before that date and my broadcast sheet incorrectly shows (060) 3911060

Same for the radiator (649) 7437649 listed in my broadcast sheet but 2806340 was actually installed.

Thats why I'm saying the EPL's and the broadcast sheets were not always up to date in 1968-9 especially during the T1 T2 327 change every change seemed to be days or weeks late, none were early from what I've seen.

So I'm guessing that may include Nicks shroud too


I am going by what an ex GMH engineer explained to me about what an EPL is, how to read it and it's importance to the production process.
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