Hi I am after the float level setting for my new weber carb I will also be checking the fuel pressure and jet sizes, also fitting heated air intake, I have googled it but there seems to be loads of different info, Thanks, This is on a type 4 2.0 litre standard engine. jet sizes would be great too to check with what I have in at the moment. cheers
I suppose you had your reasons but a single progressive carb is unlikely to work well on a Type 4 engine IMO. And this is what aircooled.net has to say ‘Centermount Progressives NEED intake heat, and lots of it. This is why a progressive on a T4 (Type 4) WILL NOT WORK. It’s so bad and unfixable, we do not even sell the kits that are available for the Type 3 or Type 4 engines. The intake volume is too large, and there is no easy way to get the intake manifold and runners heated up. It will not work well, please do not ask, because the answer is “get dual carbs”. Nuff’ Said.’ However, while I think it is a poor choice of carb for a Type 4 a couple of guys here have them, and one even claims impossible amounts of power at very low revs, so they can be made to work at least reasonably well. Hopefully @MorkC68 or @Robert Thomas will chime in with help on setting up the float level and jetting but if not Eurocarb may be able to advise. https://www.dellorto.co.uk/ Good luck.
Indeed I run a single Weber on my 2lt type 4 However it is true that at first it was poor. It had a massive flat spot issue that really peed me off. I spent 5 years having "experts" try sorting it out. It always ran and gave mildly good stats economy etc (I use my bus daily!) In the end I took it to Peter Baldwin who is quite a legend in old school tuning and actually still raced successfully until recently. He runs a Rolling road in a place called Wimpole. I took my bus to him. He did a complete job from ignition timing onwards. He totally transformed it. He's booked for months in advance and is quite expensive but you get to do the driving I don't know what the settings were but I know all the jets were no where near what was right and he changed them. I'd thoroughly recommend him my only regret was not doing it sooner. http://www.wilshers-garage.com/rolling-road Sent from my iPhone using Tapatalk
Nope and still don't like I said I use my bus daily (school run etc) plus longer camping trips heavily laden Sent from my iPhone using Tapatalk
And it runs beautifully, faultless starter and smooth power. Although it now hates super unleaded, runs like a total pig on it. Sent from my iPhone using Tapatalk
I set the middle of the bottom of a rectangular float to where they show the bottom of the rounded float. If you only drive a progressive in California then there will not be trouble with a T4 . Otherwise the rolling road session plus a progressive becomes comparable in cost with twin carbs..
My bus came with the carb already as the PO had a VEGA engine fitted, ditched the FI and had the carb kit done just before I bought the bus. So luckily for me I only paid the RR session. I've had a few folk drive my bus and they all love the drive. Even my made with FI prefers mine with regards to tractability and smoothness of delivery Sent from my iPhone using Tapatalk
ICT's all the way for me Geoff! (Unless its Major the westy and its FI all the way) We struggled with the 32/36 we had years ago and got nowhere fast!
It must have been an old thread about progressives that I found with your name on it Mark. You obviously saw the light.
I adjusted it to the Weber manual setting I found so it's all back together now jets sizes were as follows, Primary idle 45 Secondary idle 50 Air correction primary 180 Air correction secondary 170 Main jet 137 Secondary 140 Emulsion primary f50 Emulsion secondary f66 I have changed the idle primary to 50 and secondary to 60 Air correction primary to 160 secondary to 180 I'll see how it drivesFuel pressure just under 3 psi
I would go larger on the secondary idle as that is one way out of a flat spot further up tbe throttle range. I think mine is an 80.
