WTB Weber DCOE Intake Manifolds, VGS-Brand part #52502

[boonies]

Thanks Drew, I have a set of the short horns already. I have some more work to do before I go back to the side-draft carbs.

 

[Ohmess]

Or reproduction Alfa Romeo GTA horns:

View attachment 203890

Yeah, as he noted above, Drew tried this and it didn't work.

Another possibility I thought about is within the Alpina setup that Daddywad sells. Given where the Alpina airbox sits, I think there is a set of almost 90degree airhorns underneath the airbox (This would make both manufacturing of the airbox and its installation much easier). If those are separate parts, they might be an alternative if they could be bought on a stand-alone basis. @daddywad - comments?

 

[Clubsport_CSi]

Like this?

 

[Ohmess]

View attachment 203923
Like this?

Yes, and thanks for the picture. It does not look like these would work.

 

[Clubsport_CSi]

We make the spacer to offset the thermostat housing. It retains the OEM look of the housing as it is not modified and it allows the use of even the later Weber Spanish DCOEs.

@halboyles : Looks great - does it also fit the later M30B35 from the E34/E32? I am planning to modify my M30B35 based B11/3 engine with VGS ITBs soon and will than have the same issue. Would love to solve it using your spacer. Can we manage shipment to good old Germany?

 

[halboyles]

Yes, we ship internationally all the time.. As far as I know the coolant housing is about the same on all those cars.

 

[Clubsport_CSi]

Yes, we ship internationally all the time.. As far as I know the coolant housing is about the same on all those cars.

Perfect - will order soon

 

[aguirola]

View attachment 203923
Like this?

Hello,
Do you supply the complete kit?
Regards,
Alberto

 

[Clubsport_CSi]

Hello,
Do you supply the complete kit?
Regards,
Alberto

Hi Alberto,

Sorry for causing some confusion here:
I am not in the business of reproducing the Alpina B2/S carburetor kit.
I just took the picture from my collection of parts pics
They belong to CSI:
CSI

I am more a fan of the VGS solution; actually thinking about a possibility to reproduce their airbox... And the 300° Schleicher camshaft.
But I do not have the time to take care about that at the moment. And do not know if there would be interest in these parts.

Kind regards, Daniel

 

[Gerrit]

Viktor Günther (VGS) from the Cologne area in Germany, was the sole importer of Weber carburettors in the 1960s and is up to this day the prime address when it comes to this type of equipment. They devised back then several type of intake manifolds for various makes of cars/engines, one of them being for the BMW M30. Their manifold has the following features

• The curvature of the intake results in a longer tract which I have been told (I am not a mechanic) allows for a better filling of the chamber at lower RPM and so a higher torque.
• The repositioning of the Webers allows keeping the original brake booster
• A spacer between the cylinder head and thermostat housing is not needed anymore.

Those manifolds were standard upgrade at GS Tuning, a well known BMW tuning and racing outfit in the 70s/80s.

 

[shanon]

Interesting thread and as an early E9 racer 'dork', I've been collecting early team car info/images for years and I'd liked to pick the knowledgeable E9 hive mind here.

In my hunt for info/pics on the '73 Targa Florio CSL tuned by GS Tuning, I found a couple motor pics of said car in its current state. Similar to the early Alpina team's 2800CS racer (circa 1970), it appears that GS Tuning also implemented the modified trumpet (my son named it the 'stank leg', lol!) addressing the stock booster clearance issue. I used this solution in my '70 SPA tribute's new motor (basically a B2S) and it works well for me. Also appears the early teams relocated the battery, mine's in the trunk now, not sure where the early teams put it.

I'm curious to know when the early tuners started making the new manifolds and airboxes for the 3x Weber set-ups? Guessing starting around '73-74?
I may have asked this before, anyone know what happened to the Targa CSL? I think it reappeared recently hence the found motor pics. I don't recall where I found them, but have a couple interior pics too.

As always, thankful for any and all info/wisdom shared. If I ever make it over the pond, I see a pilgrimage visiting the early tuners.

Keep Coupin!

 

[Clubsport_CSi]

I think the Muskeltiere article was published in AMS in 1972 and the GS test car already had that trumpet setup, right? But honestly, I would need to into my car literature collection to make sure... Getting older
Edit: Ah, sorry - I read too quickly through your post, forget my stupid answer...

 

[boonies]

It looks like a wedge was just welded into one of the trumpets. You can see the weld inside. I guess about 15 degrees...

 

[shanon]

Actually, we cut a wedge out and rewelded. Then later I notched the trumpet lip to eliminate the slight contact caused by engine vibrations.