All Small Six Weber 32/36 rough idle
- Thread starter beanmiester
- Start date
This relates to all small sixes
These would be some good spacers if there is enough hood clearance.
32/36mm Weber DGV DGAV DGEV flange or spacer
Or:
I would probably lean towards the single elongated version. Reason…possibly better fuel/air mixing & atomization in the adapter.
32/36mm Weber DGV DGAV DGEV flange or spacer
32/36mm Weber DGV DGAV DGEV flange or spacer 1/2" thick - 2 hole | eBay
Weber DGV DGAV DGEV 32/36mm x 1/2" thick CNC milled aluminum (6061) mounting flange / spacer. The mounting holes are 6.8mm (correct size for tapping M8x1.25 studs). If you plan to use as a spacer, you will most likely have to drill the mounting holes out larger to fit over your studs.
www.ebay.com
Or:
Weber Carburetor 32/36 DGV DGAV DGEV spacer 1/2" thick aluminum New 452 | eBay
New 1/2" aluminum spacer for use with Weber DGV downdraft carburetors.
www.ebay.com
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@63 Sprint Correction im getting a 1/4 inch phenolic spacer and a 1/2 inch plastic spacer. The plastic comes on Monday. The phenolic spacer hasn't been shipped yet. They came as a package so I have no clue why they are being sent separately 
The plastic should seal pretty well it looks like the phenolic but its just a different material
The plastic should seal pretty well it looks like the phenolic but its just a different material
I also found some thick gaskets i had. They taper but are about double the thickness of the standard gasket
That’s not correct geometry for the carb. Tne carb wants to have the choke facing forwards, linkage on the exhaust side, bowl on the valve cover side. See the attached photo.
Hopefully the phenolic plate with a gasket on each side will provide a better seal. It definitely sounds like the vacuum leak is at the studs.
To members that installed 32/36 and 38/38 Webers:
beanmiester is correct. The fuel bowl faces towards the front of the engine. It’s written in both my Weber service manuals that I have.
I personally questioned Redline/Weber about this about three years ago when the question came up on this forum. They also firmly agreed that the fuel bowl faces towards the front of the engine. There are good reasons why.
This has been discussed years ago on this form. Unfortunately, the information is buried.
Here is a few paragraphs directly from the Weber shop manual:
The picture below is just one picture of many in the service manual. Every engine (whether it’s an inline 4, pancake 4 or 6, inline 6, V6, V8) shows the carburetor with the float bowl facing towards the front of the engine. No matter which intake manifold is being used.
It’s unfortunate that much misinformation has been posted about installing Weber 32/36 and 38/38 carburetors. It’s very unfortunate that many members tend to believe that the misinformation is true. I’m sorry, I’ve done my homework and research on this matter and I know what is preferred and what is not. Weber wrote the preferred installation procedures for a reason. So I guess, it comes down to what members want to believe.
Some members are happy with running a 32/36 or 38/38 sideways, and that is fine.
But it’s still not preferred.
I’ve always been a person that try’s to follow instructions. They are written for a reason.
When working on equipment that’s used for life support where people’s lives depend upon the equipment, the people servicing the equipment better do it by the book.
I’m not posting to get members bent. I’m posting this to let the facts be known.
That’s all.
If anyone is interested why the 32/36 and 38/38 float bowls are supposed to be facing forward, please do some research.
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@63 Sprint, this might be a bit off topic and I don’t intend to be argumentative for the sake of being argumentative but you raise a point about a subject I am fairly experienced with and I think it deserves a response.
There is no doubt that orienting the bowl to the front is correct to avoid fuel delivery issues under acceleration and braking. That is the way all of the carbs I’ve seen are designed and when I installed a 32/36 on my hot rod BMW back in the day that was the only way it would fit on the intake. The reason these carbs are installed on a log intake sideways is because it is not possible to install the Clifford/Redline kit any other way with the adapter provided in the kit.
The reason why you can’t orient the carb with the bowl forward using the kit is because the adapter has 2 mounting holes to mount to the log. If you use the OEM water cooled base below the carb, the carburetor will be positioned at an angle to tne front (roughly 60 degrees to the front) and it makes connecting to the throttle linkage pretty much impossible without switching to a cable. If you don’t use the OEM water cooled base, then it fits only one way, as shown in the photo I posted.
When I installed my 38/38 kit last year, I had questions so I spoke with Larry Millwee from Clifford Performance specifically about this configuration. Larry wrote the instructions that came with the kit. I sent him a photo of my carb mounted as shown in the photo I posted above. He concurred that it was oriented correctly and advised me on how best to connect it to the existing throttle mechanism. At no point did he suggest that it was advisable or possible to orient the carb with the bowl forward.
Anyway, that is my understanding of whey 99% of Weber 32/36 and 38/38 carbs on log intakes are mounted with the bowl facing the valve cover instead of forwards. Fortunately, in my experience running this carb for the last year, there is no problem with fueling under acceleration, breaking or left/right cornering. It seems pretty flawless.
The only photo I have seen of a Weber on a log intake, oriented with the bowl facing forward was one over on tne Vintage Mustang forum and that one uses an adapter similar to the one @beanmiester has.
Sorry for going off topic but I thought your post deserved an answer as to why the vast majority of Weber carbs on a log are mounted sideways rather than the way they are one pretty much every other application.
There is no doubt that orienting the bowl to the front is correct to avoid fuel delivery issues under acceleration and braking. That is the way all of the carbs I’ve seen are designed and when I installed a 32/36 on my hot rod BMW back in the day that was the only way it would fit on the intake. The reason these carbs are installed on a log intake sideways is because it is not possible to install the Clifford/Redline kit any other way with the adapter provided in the kit.
The reason why you can’t orient the carb with the bowl forward using the kit is because the adapter has 2 mounting holes to mount to the log. If you use the OEM water cooled base below the carb, the carburetor will be positioned at an angle to tne front (roughly 60 degrees to the front) and it makes connecting to the throttle linkage pretty much impossible without switching to a cable. If you don’t use the OEM water cooled base, then it fits only one way, as shown in the photo I posted.
When I installed my 38/38 kit last year, I had questions so I spoke with Larry Millwee from Clifford Performance specifically about this configuration. Larry wrote the instructions that came with the kit. I sent him a photo of my carb mounted as shown in the photo I posted above. He concurred that it was oriented correctly and advised me on how best to connect it to the existing throttle mechanism. At no point did he suggest that it was advisable or possible to orient the carb with the bowl forward.
Anyway, that is my understanding of whey 99% of Weber 32/36 and 38/38 carbs on log intakes are mounted with the bowl facing the valve cover instead of forwards. Fortunately, in my experience running this carb for the last year, there is no problem with fueling under acceleration, breaking or left/right cornering. It seems pretty flawless.
The only photo I have seen of a Weber on a log intake, oriented with the bowl facing forward was one over on tne Vintage Mustang forum and that one uses an adapter similar to the one @beanmiester has.
Sorry for going off topic but I thought your post deserved an answer as to why the vast majority of Weber carbs on a log are mounted sideways rather than the way they are one pretty much every other application.
I understand the dilemma you members are in with the small block sixes. I understand the clocking issue when using the adapters from Clifford Performance.
The OEM water cooled spacer plate needs to be used with the Weber adapter in order to keep the carburetor clocked to Webers recommendations. Unfortunately, there is not enough hood clearance when using the Weber air cleaner. And your right, the Weber Carburetor will not be clocked right when using the OEM spacer and the Clifford adapter or the VI adapter
Unfortunately, it would not have taken much to build an adapter that would be in accordance to Webers preferred specifications. Why it was never done? Who knows.
About Clifford Performance:
Jack was very helpful on a 1969 falcon project that I worked on in the 1980’s
When Jack past away in the early 2000’s, I felt that we just lost a person that had much knowledge.
Another adapter is being discussed. And I’m not going into details. All I'm going to say is it would be one that would work without the OEM spacer. The Carburetor would be clocked to Webers preferred position.
The OEM water cooled spacer plate needs to be used with the Weber adapter in order to keep the carburetor clocked to Webers recommendations. Unfortunately, there is not enough hood clearance when using the Weber air cleaner. And your right, the Weber Carburetor will not be clocked right when using the OEM spacer and the Clifford adapter or the VI adapter
Unfortunately, it would not have taken much to build an adapter that would be in accordance to Webers preferred specifications. Why it was never done? Who knows.
About Clifford Performance:
Jack was very helpful on a 1969 falcon project that I worked on in the 1980’s
When Jack past away in the early 2000’s, I felt that we just lost a person that had much knowledge.
Another adapter is being discussed. And I’m not going into details. All I'm going to say is it would be one that would work without the OEM spacer. The Carburetor would be clocked to Webers preferred position.
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Mine is mounted with the bowel towards the valve cover (200 engine). I have never had any issues- and changing the orientation would take some major mods/fab procedures. I do not have access to mills/ lathes ( sadly ).
I do understand why it is PREFERRED to mount it with the bowel forward. And maybe in racing applications- necessary, for reasons of momentary fuel enrichment and fluid dynamics and atomization in the air flow but for daily drivers and people with limited tool access, bowel sideways is our only realistic option.
Until kits made this way are produced ( which I assume would cost considerably more ),
Webber bowels on small sixes will be sideways.
I do understand why it is PREFERRED to mount it with the bowel forward. And maybe in racing applications- necessary, for reasons of momentary fuel enrichment and fluid dynamics and atomization in the air flow but for daily drivers and people with limited tool access, bowel sideways is our only realistic option.
Until kits made this way are produced ( which I assume would cost considerably more ),
Webber bowels on small sixes will be sideways.
That I tend to agree with.
I also believe that cost is involved.
It’s funny, years ago, if I needed an adapter or what ever. I would go in the scrap bin and start cutting an aluminum block.
It’s something watching watching an aluminum block turn into something useful with a table saw, router, drill press and die grinder.
Still looking for a Bridgeport.
I also believe that cost is involved.
It’s funny, years ago, if I needed an adapter or what ever. I would go in the scrap bin and start cutting an aluminum block.
It’s something watching watching an aluminum block turn into something useful with a table saw, router, drill press and die grinder.
Still looking for a Bridgeport.
my .040 is up!!
What brought this discussion up is awasson states that the original poster is wrong on the way a carb is to be mounted when the original poster was following what the Weber manual states specifically the preferred way to mount it. The original poster was not wrong. Well… you know what, it’s getting to the point that it’s getting harder to believe just about anything written in new books or articles. Awasson, you’re ok, I figured that not many people knew that Weber written something about proper carburetor clocking. You just were the first one to respond. And I had to write something. There are times I’m wrong. It’s definitely nothing new.
So, it might be best to start talking about the effects other might of experienced by mounting the Weber Carburetor sideways.
Does anybody have a Weber mounted sideways that also is monitoring the fuel air ratio with an AFR meter while driving?
So, it might be best to start talking about the effects other might of experienced by mounting the Weber Carburetor sideways.
Does anybody have a Weber mounted sideways that also is monitoring the fuel air ratio with an AFR meter while driving?
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I’m not at home at the moment… Doing some field testing on my WeberSome reading:
xecute":7s60acaq said:
From every drive report I've gotten my hands on, all six cylinder Ford I6's surge when punted hard through corners. Except for the EFI ones and those with Weber carbs.
We do have some pretty hardcore curves
Who can get 7 to 8 degree leans like our old Fords do, and do you guys get...
That is a really interesting bit of troubleshooting and resolving the stalling issue on a sideways Weber. If it hiccups going left, the fuel is overrunning/surging tne carb. It it hiccups turning right, it’s starving.
If I recall correctly, the Clifford/Redline manual talks about stalling on cornering and as I recall, they recommended a new fuel regulator for that issue. I’ll have to pull out the instruction sheet and give it another read when I get home.
I think @DON has an AFR on his. I will be putting an AFR on mine eventually as it is still running a bit rich according to the AFR in my nose.
Hopefully @beanmiester can get that vacuum leak sorted out on his and get it mounted right. His adapter will allow for the carb to be aligned correctly. @beanmiester, ignore my advice about mounting it sideways if you can orient it with the bowl to the front. It’s easier to connect the linkage if it’s sideways but as discussed, fueling should be happier with the bowl facing forwards.
I’ve been fortunate that mine hasn’t exhibited the braking/acceleration or left/right turning issues. One thing I have noticed on mine, is on very hot days, in congested traffic, idling at a light while facing uphill, the idle can begin to stumble. It hasn’t done that for a while so I haven’t been worried about it but I noted it last spring during a drive in rush hour traffic. I’m installing a 5mm phenolic spacer as a thermal break on mine and I’m fab’ing a heat deflector for the exhaust to see if I can cool down the carb. I’m also going to add a cold air intake to pull the air from just behind the grill on my Mustang. All of those things should make incremental improvements.
Oops, I accidentally removed it:
xecute":7s60acaq said:
From every drive report I've gotten my hands on, all six cylinder Ford I6's surge when punted hard through corners. Except for the EFI ones and those with Weber carbs.
We do have some pretty hardcore curves
Who can get 7 to 8 degree leans like our old Fords do, and do you guys get...
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