weber 32 / 36

**Michael2** · 9th July 2005, 08:56 PM

After much (but not enough) reading & contemplation, I've purchased a 2nd hand Weber 32/36 double barrel carby with a view to fitting it to the Land Rover 2.25 4cyl.

Has anyone done any research on this, or know much about this carby?

I'm after advise on jetting it to suit the Land Rover.

I've yet to take delivery of the carby (ebay purchase) and will need to modify an inntake manifold to suit, in the mean time I need advice on setting it up.

I'll post developments on the progress of this project as they occur.

I've got the following set up at this stage :
109 SIII 7.50x16 Tyres & Overdrive.
8:1 Head running LPG & ULP
Distributor with less vacuum advance to suit ULP
Electronic Ignition (Pirhana)
Cam grind - all valves (inlet & exhaust) open 5deg sooner & close 5deg later.
Extractors.
Currently using Zenith Carby

Hellspawn · 10th July 2005, 06:01 PM

I don't know a lot about them (weber) in tuning apart from what I learned hooking around in a cortina wagon with one on a warm 2ltr motor while HS was being built.... the first time. :roll: A very noisy carby, has that real induction snort, like a souped up hoover and wasn't too bad on economy.

What I think you'll need to do is talk to a carby shop like Wilson Carburettor Service, Airport West. Have no idea what they are like however they'd be able to help you better since they play around with carbies all the time and apparently deal in weber.

**incisor** · 10th July 2005, 06:50 PM

i was investergating this myself at one stage and found a great deal of usefull info on some US landrover sites...

**Michael2** · 10th July 2005, 07:29 PM

There's been a lot of "talk" about them on o/seas sites, mostly positive [img]style_emoticons/<#EMO_DIR#>/biggrin.gif[/img] and some expressions of angst in getting the jetting right. I emailed Pierce Manifolds in the USA who make an intake manifold for a 2.25 Land Rover to suit this carby. I asked about jetting and set up, but didn't get any reply. I've found one post on jetting, but would like to get more info on it first. Here's a copy of the posting with the jetting I found.

<span style="color:blue">After a long morning and afternoon of trying combination after combination, I finally have my 109 running well. Currently I am running the following setup for my Weber 32/36 DGV:

155 Primary main jet
150 Primary air correction jet
70 Primary idle jet
F6 Primary emulsion tube

165 Secondary main jet
145 Secondary air correction jet
70 Secondary idle jet
F6 Secondary emulsion tube

I went through every possible combination to get here. Tomorrow I will do my daily 160 mile commute and post the results of the long-term performance. Thanks for everyone's help.

Ryan

1974 SIII exmod 109
1995 XJR

http://catalog.roversnorth.com/wwwboard/me...ser2/42204.html </span>

**Michael2** · 21st July 2005, 08:39 PM

Just to update :

I've got the carby and am having some 1/4" plate (alum) welded to the top of an inlet manifold. This will be drilled and tapped to suit the weber.

I've sourced an adaptor to go from the webers "square" top to a round air cleaner hose (to suit the LPG mixer & snorkel). I haven't bought this yet, $50 seems a little steep.

If anyone has an air cleaner adaptor for a weber 32/36 to fit a round air cleaner and wants to sell it, please let me know.

The manifold will be ready next Wednesday (only $30 for the job - cheaper than making an adaptor), so I'll provide another update sometime after that.

**loanrangie** · 21st July 2005, 08:57 PM

Try a falcon 6 or cortina filter housing, you will probably find one at pick a part with a lpg mixer fitted to it.

crossy · 21st July 2005, 09:07 PM

i would have thought that once on gas you would never use pootrel again? especially at $1.20 per litre.

**rick130** · 21st July 2005, 09:25 PM

I can tell you how to jet it for a Formula Ford, but not a Landy, sorry. :wink:

Great little carby, can be made to work very well on engines up to Jeep straight sixes !
We used to resurrect auto choke versions off Cortinas and Escorts instead of buying new carbs for racing use.

**Michael2** · 21st July 2005, 09:52 PM

Petrol is there for extended range, not economy (or power!).

The carby I bought has 160 & 170 main jets for the primary & secondary barrels. From those who've used these carbys, is there an opinion on how these jet sizes might be expected to perform on a 2.25 Landy?

Would the cam grind affect carburration?

**101RRS** · 22nd July 2005, 11:14 AM

I put a similar dual throat webber on my subaru. I had a lift kit and big wheels on it and it was great on the road, in sand and off road generally - however, even though the gearing and engine power was OK for moderate steep hills, the weber carby couldn't handle it.

So I would suggest that you check that the carby you have for your landy will still work on steep slopes because a landy will climb far steeper stuff in first high range than my my Subie would ever do in first low. Because of my carby, I had to stay away from steep hills.

It also used a lot more fuel than the original carby but then the engine was producing noticeably more power and it was great when that second throat kicked in.

Gazz

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