Bog standard 1600 with a 009 dizzy - been more than happy with the reliability and performance of the old thing over the last 20 years . Big trips abroad weren`t a problem , i knew if anything went wrong i could probably get around it as parts were plentyful and cheap - often sourced from vans dumped on foreign roadsides up until a few years ago ! Eventually i found my way onto here and read about swapping the 009 for a SVDA which apparently ironed out the notorious flat spot - BINGO - Transformed the pick-up from tickover .. Hmmm .... Maybe you lot might be right . Last year the ever dependable Vege recon began to show it`s age so i opted for a rebuild , once again , the ever helpful TLB crew were a mine of information so BIG thanks to @zed for making it all happen . Roll on a few months , the engine is run-in and sweet . I`m thinking about fitting twin carbs to give it a bit more Ooomph really . I`ll be looking at a pair of 2nd hand webers this weekend , complete with linkages filters etc . I`m not expecting to bolt them on and gain 25 horses , they`ll be set-up properly but would like to think they`ll give better grunt after a rolling road session .. Don`t want 1776 - don`t want sporty exhausts . Are they REALLY worth the hassle ? Thanks for any opinions - good or bad ...
i found a bit more oompff up hills and more MPG useful the extra MPG have probably made the carbs pay for them selves
I wouldn't bother personally....on a stock engine with stock heads, exhaust and heat exchangers etc. The only benefit as far as I see it, would be marginally better mpg assuming they were set up properly....especially DRLAs or IDFs which rely on good flow in order to work anything like they should. Consider the hassle of fitting/setting up/maintenance/fuel delivery/cold starting etc. and the benefits are easily outweighed, compared to a standard single carb in excellent nick....if I were fitting twins of any description to a stock motor I'd go for FRDs or ICTs just my tuppence
The main benefit I got was that the van pulled much better on the hills. It boosted MPG from about 22 to about 26 mpg. Weber 34 ICT's
I've got a type 4 engine, and changing from a progressive carb to twin ict's made a massive improvement to pulling away at roundabouts. The old carbs would get bogged down where as these are great
What webbers are they? If they are 34 icts and Jetted for your engine complete with linkage and filters for £200 or under Then id say go for it With everything else stock you will see a slight power increase and should see a drop in fuel consumption There is a stock looking stainless steel exhaust system available thats not overly loud that would compliment them nicely and free up a bit more power (@davidoft has one for sale i think) With these two mods if you decide you dont like them you can always make decent money back on them by selling them on Or if you like the little extra poke you get they will also work along head work and a capacity increase should you want this down the line
I know autos are worse on fuel than manual boxes but ive a gut feeling that 19 mpg can be improved upon Have you had it on a rolling road?
Its well worth having an hours session on a rolling road to check the jettings right for your engine Choose one thats reccomended for aircooled engines though and they do a lot of work on old carbed vehicles Dont use one one that spends most of its time re mapping modern cars If you pay for an hours session and alls fine then you have that healthy glow in your mind that your engines performing the best it can
You'll probably get the best mpg from a stock set-up with a standard carb in good condition. VW were pitching their Bay to a market of savvy business users, and it's unlikely any aftermarket carb will improve mpg. If you want to go faster then go aftermarket by all means, for top mpg stick to stock
I disagree The central mount carb with its long manifold length is an ineffecient design thus needing to be heated to keep the fuel air mix in suspension The short and straightish design of the manifolds when using twin carbs is a much more effecient design Even vw themselves progressed to twin carbs as they evolved the design of the aircooled engine With properly set up and correctly jetted twin carbs fuel economy will improve
Thanks chaps , last time i checked (only time ?? ) was a run from Leeds to `That London` - gave a rough figure of 30 mpg without even trying ... I`m happy enough but a little `ooumph` wouldn`t go amiss . Previously most bimbling was done around the Dales but since moving South i need to use motorways more , hence better pick-up would be good . I`ve looking at a pair of ICT webers on Sunday - apparently ready to roll but untried by the seller - Believe it when i see them . I`ll be getting a rolling road session sorted if i decide to take the plunge - pointless guessing when you`ve got the option as i see it !! Anything i need to look out for , apart from the jetting ?? Ok - you win ....
Just done exactly this. Stock 1600tp with 009 dizzy. Was struggling going through the Peak District so decided on some 'small' upgrades for a bit more poke. Like you, wanted to stay mostly stock and didn't want to go down the route of big engines, so decided (after some advice from the earlybay forum) to go for twin Dellorto 36 DRLA's I got from Italy and Vintage Speed exhaust. While I was at it an alternator conversion went on. That was in November, turns out one of my heads had melted due to the way they were installed. Steve at Gasure has stripped my engine, new head, reconditioned the other and made sure everything works. SVDA dizzy and electronic ignition while we're at it... Due to get it back in about two weeks, dying to see the improvement over stock. First trip to the rolling road, second trip 20,000 miles around Europe and Africa in April.
The engine in the type 3 S models was a 1500 (then 1600) with twin carbs as standard and with a little higher compression ratio and gained about 6BHP and a few MPG better too.
I fitted Weber 40's to my 1600, definitely made a difference to the torque a lot better on hills, haven't had it on a rolling road, used a snail to balance them and all seems well. They came already jetted for my engine from euro carb, just need a VS exhaust now
