As far as the Jet-A-Vator is concerned, I am planning on trying the system out both with and without it to see what gets me better fuel mileage. I do think the fine tuning of the carb jetting and the digital ignition map will get me a whole lot better fuel mileage than the Jet-A-Vator will. I just think it's worth the try since I have it.
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Originally Posted by BLSTIC
...but that's all more difficult to do than finding another manifold and modifying it to fit a progressive dual-throat carb.
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I'd need to find one that has a smaller venture than the one I already have. Weber makes a progressive carb, but it seems to have a 32mm main barrel. I'm not sure what the actual venturi size is but it's likely not much different than the 26mm venturi I already have. Also I'd lose my heated air cleaner and the dual heat risers unless I built my own intake manifold and air cleaner.
Deluxe Center Mount Progressive (DFAV/DFEV) Carburetor Kit, Reline, DP Type 1, K1410 - Aircooled.Net VW Parts
Quote:
Originally Posted by BLSTIC
Have you got any kind of manifold heating? It seems like that would help, assuming you can avoid pinging.
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Yes, and I got about the best you can get on a VW. It a called a dual heat riser manifold, which are rare in the US since they were only put on 1974 Californian VW's.
As opposed to the much more common single heat riser manifold:
