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> OK, I've got a ''72 Squareback with a recent rebuild and new dual Weber 34s. > It starts and runs great, but after I'm on the freeway for 15 miles or so, it > really starts running rough. Acts likes it's not getting enough gas. It > sputters and occasionally backfires. Other posts mentioned the vapour lock, seized pump push-rod, overheating due to over-advanced ignition. I guess it isn't carb-icing (what are air temp/humidity like? - I offered that suggestion to a Malaysian owner and he got laughed at!). Can also be caused by an overheating coil. See if you can borrow one to swap. Dave. UK VW Type 3 & 4 Club http://www.hallvw.clara.co.uk/ ------ ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org