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  1. Aircooled Mechanical Tech
    I recently swapped in a second-hand engine for my old 1600 twin port. The new (to me) engine is fitted with a Weber 32/36 DFAV progressive carb. It runs well other than the engine will sometimes race at idle if I let up on the throttle. If I quickly stab and release the throttle it will...
  2. Aircooled Mechanical Tech
    I have an early bay with a 1600 dual port engine, 34PICT3 carb, SVD Distributor. I'm having trouble setting the idle according to the Bentley manual. The problem is that it says to start with the idle mixture screw 2.5 to 3 turns out, but I can't get it to idle at this setting at all, I start...
  3. Aircooled Mechanical Tech
    Right, im confused with this one. My 1300tp ran on an empi twin choke carb and was running fine until the end of last season, the carb started to die at low rpm at traffic lights etc. Then over christmas i started it regularly to make sure all was fine in the garage until it all of a sudden...
  4. Aircooled Mechanical Tech
    I picked my early bay up from the garage the other day, drove it round the corner to a quiet place to let my girlfriend have her first drive, and we let it idle for ages while she got ready. After a while the idle just came to a stop. I restarted it but couldn't drive it because it just cut...
  5. Watercooled Mechanical Tech
    I was wondering if some of you people may be able to help me troubleshoot a problem that has occurred very suddenly on my 1985 MK2 polo Breadvan. I have had the car since December last year and until now it has been running like absolute clockwork with a beautifully slow idle, purrs like...
  6. Aircooled Mechanical Tech
    Vehicle: '79 Bay Engine: stock 1600 twin port carb: 34-PICT 3 I've doing the idle adjustment procedure as detailed in the Bentley book and elsewhere. However, I did the procedure with thinking the bypass screw was the volume control screw and vice versa. :lol: So I thought the big screw was...
  7. Aircooled Mechanical Tech
    Can anyone tell me if there is a specific speed that the engine revs at idle need to be set at or if it is not a huge deal? The revs were pretty high at idle, so high in fact that the constant rapid hammering in the background was really starting to piss me off at traffic lights... so when i...
  8. Aircooled Mechanical Tech
    Vehicle: '79 Bus Engine: 1600 twin port Carb: 34 PICT 3 Mods: 009 distributor (I plan on replacing with a SVDA unit later this summer) I went up to the Van Jamboree yesterday and the bus ran fine. On the this morning's commute, however, I had a problem with the engine developing a...
  9. Aircooled Mechanical Tech
    Hi everyone, My new (to me) 1972 beetle packed up today and was towed to the garage by the kind AA man. Had it ten days and done 250 miles in it, with the only problem being it wouldn't idle when pulling up at junctions, and was a bit erratic when started in a morning (but would idle until you...
  10. Aircooled Mechanical Tech
    I've got a 1600TP engine with Engle 110 cam. It's got a vac advance dizzy and single carb. The engine does not tick over at idle 850-900 rpm which I think is because the cam is giving longer lift and therefore more fuel is required?!? How do I go about setting up the timing and carb if the...
  11. Aircooled Mechanical Tech
    Hi, Me and a friend tried to tune his beetle engine. We didnt get very far.... Its a late 60's beetle (1200cc i believe) with a Solex 30 pict 3 Carb, and a short base and single vacuum hose. The tappets were set cold a few days before. Plugs are new. The points were set to 0.4 The engine was...
  12. Aircooled Mechanical Tech
    I have a type 4 motor sticking out of the back of my buggy which when warm pops & farts. It has had new plugs points and condensor, balanced the carbs (believe Delorto's) and custom stinger built out the back and when driven goes like stink but as soon as take foot off the peddle (when warmed...
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