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 Posted: Apr 25, 2007 10:54AM
 Edited:  Apr 25, 2007 10:57AM
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Manifold of the week? Ears are cut a bit for easy mounting but both ring and stud.

  Tulka

 Posted: Apr 19, 2007 08:24AM
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 Posted: Mar 19, 2007 02:07PM
 Edited:  Mar 19, 2007 02:11PM
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 For better understanding of the evolution manifold,go back some pages and have a look at the EVO Mini.

 Tulka

 Posted: Mar 12, 2007 12:51PM
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That's correct, my papers are #5028.  They are also the source of the "evolution" manifold picture that I posted previously.

I forgot to mention that the manifold in the homologation picture you posted earlier today probably warrants a new line on the chart.  A brake booster tap and stud mounting is a combination not on the chart yet.  Do you think those are stud mounts in the picture?  If so, I'll add the line to the chart with a lot of blank spaces to be filled.

 Posted: Mar 12, 2007 12:45PM
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Your homologation is 1275/no 5028 valid from January 1st -66 and I can see your pictures are as bad as mine.There is also Group 2 1275/no 1300 valid 11th April -64 .So we want better pictures!

 Tulka

 Posted: Mar 12, 2007 12:24PM
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Tulka,

It's not dead by a long shot!  I'm trying to write the article for posting on the Technical Info. page but work is getting in the way.

Your homologation picture throws in a new wrinkle.  It would seem likely that the homologation papers would show the current production piece.  The only manifold identified so far with a single vacuum port cast and drilled is AEG 179.  That's the one with the original casting number ground off and AEG 179 stamped.

But the one in your homologation picture appears to have stud mounting ears on the head face.  No pictures of that combination have surfaced yet.  Maybe they are 1071 papers that you have - the first S model produced?  It also seems that for the number to show up in the picture it would need to be raised rather than stamped.  Does anyone have an original 1071 or 970 to compare?

The same problem exists for the 1275 homologation papers.  This picture is from the RAC papers for a 1275, equally poor quality.  From the shadows it is casting it would appear to have two vacuum ports cast in and the brake booster fitting is installed.  The production manifold would be an AEG 347 (either the 'P' or 'P2' casting).  Does that look like the number stamped in it with the csat number hidden in the shadow, per the second picture below that was previously posted by Bruce Gebbie?

 Posted: Mar 12, 2007 11:48AM
 Edited:  Mar 12, 2007 11:56AM
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Think the thread is dead? Now we start with FIA homologation manifolds; This is from a bad copy of a photocopy so the numbers shows badly.I put it upside down to try to read the numbers,anybody have a better picture?I think this one was from the 970.Stud mounted like many in the homologation forms but wih one drilled vaccom port.

 Tulka

 Posted: Mar 9, 2007 02:10PM
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 Posted: Mar 3, 2007 08:48AM
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I'll echo a "thanks" from the Mini Community!

Two places to suggest for "peer review."

1. Mini Specialist Forums/Early Mini section. A couple of people that should have already contributed to your listing, Mark Forster and Nick Rogers are frequenters of that Board as well as other very knowledgable people. (If Mark and Nick haven't contributed, yet, let me know and I'll "remind" them!)

2.  This is one that should go to the Mini Cooper Register. Most definitely!

 Posted: Mar 3, 2007 08:37AM
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All, Please be assured that I will approach our host about posting the final version (not that it might ever be considered final) of this chart and the supporting pictures on the Technical Information page rather than leaving it in a long, unweildy thread.

Dan, Posting the chart on various boards for more of a global input is a worthwhile suggestion.  It's not quite at that point yet, still need to do the engine number change points and clean up a few details.  I could use input on what the other posting locations might be - which ones will provide a broad audience of knowledgeable participants?  Boards in the UK sound like an obvious choice, I just don't know what, where and who they are.

And as long as we are sounding like we're at work, posting to a large knowledgeable audience not only broadens the input, but it also achieves a "peer review".  I do technical and scientific publications on occassion, and these are always submitted for peer review by a qualified audience as a quality control process.  That's what has been happening on this thread without actually saying so.  I've already had to change several preconceptions I had about these manifolds based on hard evidence that came via this thread.  The process works and going to a broader audience will improve it further.

Thanks for the input and support.

 Posted: Mar 3, 2007 08:11AM
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I commend you on your work benchmarking all the different variants of the manifolds. After doing a few benchmarking exercises at work on a world wide basis I know how much work they really are.

Now to throw a wrinkle in this, once the chart is fairly finalized to put it out one of the bigger UK forums for comments and more input. (sorry, I sound like I'm at work).  I know we have quite a few in the UK here on the board, but I wonder how much more info is out there that we're not tapping into.  dan

"I don't know much, but what I do know I know little of "

 Posted: Mar 2, 2007 09:02PM
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After several hours sorting all the info. submitted the chart has been updated, and the latest version is attached.  There is more to do and a few gaps to fill, see the notes at the end of the chart.  This really works better with the photos, and I'll try to repost tomorrow with the photos.  I'm a little bleary-eyed right now, and there may be a few typos in the chart too.

Given the interest and all of the excellent input I thought I'd post this part tonight.

Concerning the "Evolution" manifold, it appears that it could be #9 or #10 on the chart.  The picture in the homologation papers is kind of fuzzy and both of these manifolds have similarities to the picture.  More on that tomorrow.  Note that it's not really named the Evolution manifold.  That's the title of the page in the homologation papers, an evolution of the vehicle from the one originally homologated.  The papers for almost any car will contain evolution parts.

I hope this thing is legible!

 Posted: Mar 2, 2007 08:51PM
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Here are several of the photos of a 12G 2463 that Eduardo at CooperMk1works e-mailed directly to me.  Another example of the factory grinding off one number and stamping another one.

Eduardo, can you tell what the ground off number might have been?  I'm guessing AEG573.

MacDhaibhidh, 12G 586 is a new number in the mix.  Can you provide any details per the columns on the chart and possibly a photo?

 Posted: Mar 2, 2007 10:12AM
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I was most interested in Spitz's photo, as my 1275 S  has as its alternative manifold ( ie it came in a box of parts) an AEG 573, which does not figure in the table. is this the evolution manifold?

Chris

 Posted: Mar 2, 2007 09:10AM
 Edited:  Mar 2, 2007 09:13AM
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proof of changepoint

 Tulka

 Posted: Mar 2, 2007 06:02AM
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Eduardo, I will post your pictures later today.  These are the first shots of a 12G2463 that have been provided.  It has rectangular carb mounting faces and HS2 bolt pattern.  That must have become the fairly standard pattern towards the end of the S production.

Steve, The early and late 998 references in my chart are from the BMC factory parts manual.  There were change points based on engine number.  I'll post those numbers later today and will probably incorporate them into the chart.  Similar engine numbers are provided for the S models, at least the Mk. I versions that I have the parts books for.  If there is interest in having all of the change points for the various engines we can probably come up with most of them.

Have to hit the road now, will provide the above updates this afternoon.

 Posted: Mar 2, 2007 05:50AM
 Edited:  Mar 2, 2007 09:45AM
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slight hijack.. coopermk1works -eduardo, please see my thread on a sunroof. Are you aware of this product & availablity? (Made in Spain)

Now back to our our regular programming....

Make it idiot proof, and someone will make a better idiot....

 

 Posted: Mar 2, 2007 04:29AM
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Excellent topic! Congratulations!!! I have a 12G2463 manifold. It's original casting number was erased, but you still can see a 'P'. It is stamped 12G2463 upside down just below the original casting no. on the cylinder head side of the manifold. It has two vacuum ports, ring mounting, and the carb mount face is rectangular. S&M Minis, I have sent some photos directly to you. All the best from Portugal, Eduardo

 Posted: Mar 2, 2007 02:56AM
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Hi

I see that there is mention of early and late 998's using different manifolds. Can anyone tell me what early and late refer to. In the UK it would be across a large time frame but here in Oz we are looking at '64 - '65.

Cheers

Steve

 Posted: Feb 28, 2007 02:12PM
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I have a 12G 586 for whatever?

Speed's Expensive........How Fast can you afford to Go??   

Found 113 Messages

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