puremalt Posted February 8, 2003 Share Posted February 8, 2003 I have dredged the archive but can't find any mention of carbs at all(?). There was a link last year to a site where a balancing tool was obtainable. I'm concerned that even though it idles fine and doesn't have flat spots that it seems slow (upgraditus here we go). Do I really need one to get the balance right, and if so any advice on getting them. I have a track day booked in 3 weeks and there are 2 other sevens and an M5 to "eliminate". Mine Farts and Belches Link to comment Share on other sites More sharing options...
allegro Posted February 8, 2003 Share Posted February 8, 2003 Demon thieves or Caterham do them. About £45. I have one in my garage. If you are in the Wokingham area then you can always have a go here. Well worth the investment. I had 40's on my first Caterham and would have been a bit buggered without it. I still balance my TB's now with the same tool. Andy Mac C7 GON 😬 Team Langoustine. Hard Core Prawn here 😬 Link to comment Share on other sites More sharing options...
Mr Locust Posted February 8, 2003 Share Posted February 8, 2003 here Carbalancer under Gunson products. Cheap & cheerful, surprisingly effective and Halfords have probably got them in stock if you want one on a Sunday 😬 Edited by - Mr Locust on 8 Feb 2003 21:10:18 Link to comment Share on other sites More sharing options...
CHRIS CLARK Posted February 8, 2003 Share Posted February 8, 2003 The balancer as sold by Caterham & D.T for (?) amount were available from a chap in Essex (Ferrari specialist) for £25.I & several other Seven owners (I saw their addresses on parcels when I collected mine) bought them. Not good if you're in a rush but I could probably find the address if still required Clamshell Club Founder Member. Link to comment Share on other sites More sharing options...
Big Brother Posted February 8, 2003 Share Posted February 8, 2003 I started the original "bulk buy" that Chris refers to, when I found a supplier who could do them for around £25. Details here Steve Se7en-Up! Less is more! Edited by - steve Motts on 8 Feb 2003 22:46:48 Link to comment Share on other sites More sharing options...
CHRIS CLARK Posted February 8, 2003 Share Posted February 8, 2003 Hi Steve. Ah it was you was it! I just went direct to the seller to save even more on a cash deal (my boy) and saw at least twenty parcels with Blat Chat user addresses on 'em!!! Clamshell Club Founder Member. Link to comment Share on other sites More sharing options...
puremalt Posted February 9, 2003 Author Share Posted February 9, 2003 Thanks guys, I remember the thread but I couldn't archive it. Off to the shops (website actually).. Mine Farts and Belches Link to comment Share on other sites More sharing options...
pete east Posted February 10, 2003 Share Posted February 10, 2003 To Puremalt - Weber flowmeter can be had from Burton engineering in near Ilford Essex (They do mail order) but it seems like other contributors know where to get them cheaper - Had a gunsons carbalancer for quite a while and they can be very good for someone who really knows what they are doing,but for sheer ease and accuracy the flowmeter is brilliant!particularly if you do a colourtune right after balancing the carbs. Link to comment Share on other sites More sharing options...
YW Sin Posted February 10, 2003 Share Posted February 10, 2003 You can also use a tube. About a meter long and 10 mm diameter (dimention is not so important). Though I normaly use flowmeter, I have once used a tube to syncronize the noise coming out of the trumpets. It worked OK and you don't need super-keen ears to do the job. A ll standard, Classic 1.7 X-flow Link to comment Share on other sites More sharing options...
Phil Bishop Posted February 11, 2003 Share Posted February 11, 2003 I've got a little flowmeter thingy that I occasionally plug into the inlets, but it's so frustrating as both carbs have a different reading on each inlet. I assume it's a case of the butterflies not being exactly in line on the spindle, but I really don't really feel up to pulling it all apart. The difference is irritating, and I can't seem to adjust it out by altering the idle jet settings, but I assume all this becomes academic once you've pressed on the loud pedal anyway. The reference to good ears is interesting. I rely on two hearing aids and I can't really hear much in the way of a change when I turn the idel screws - that's why I bought the meter. Any suggestions for an old duffer like me? It seems to run OK, not too much petrol spitting back and not too many pops and bangs at the other end (just enough to impress the passengers). I've been thinking of taking the car along to an experienced tuner to see if I'm in the right ball park, but does anyone know someone reliable in the Essex area who'll do this and how much for? Link to comment Share on other sites More sharing options...
pete east Posted February 11, 2003 Share Posted February 11, 2003 Phil - the people I bought my flowmeter from told me that it will show up twist or problems with the butterfly spindle on weber carbs - if the throttle spindle on an individual carb is straight (and the chokes are identical) the reading on the flowmeter should be the same - may be worth taking your carbs to a specialist for checking. Link to comment Share on other sites More sharing options...
pete east Posted February 11, 2003 Share Posted February 11, 2003 Sorry Phil - Mean`t to add that either John Mowatts on the A127 or Mario De capito on Cranes Farm Road Basildon might be able to help, Don`t know if they`re any good though. Link to comment Share on other sites More sharing options...
ian balson Posted February 11, 2003 Share Posted February 11, 2003 You may well get different readings between intakes on the same carb, as some carbs have an air-bypass circuit, which I believe is set at the factory to fine tune the balance of a single carb. It's the screw with the white plastic cap. The only place you will get a true reading of the vacuum is on the engine side of the butterfly's. You can take a reading there by attaching vacuum gauges to the vacuum take-off hole, near the progression hole cover. Item 48 here I found by using a vacuum gauge such as the Morgan Carbtune here ,on the engine side of the butterfly's it was a lot easier to adjust the balance. You can also measure all four intakes at once. PS - No personal connection with Carbtune! Rgds Ian Link to comment Share on other sites More sharing options...
Phil Bishop Posted February 11, 2003 Share Posted February 11, 2003 My neighbour's into bikes and actually has a Morgan type meter. I seem to recall him saying he thought they weren't available anymore because they've got mercury in them. Seems he's wrong. Anyway, I looked at it and thought it looked like a set of bagpipes, and stuffing a little plastic gizmo in the 'ole seemed a lot easier. I understand now that might not have been the best move, as with my hearing problem I probably need all the help I can get to set the idle jets. Might have a chat with him on Sunday and see if the offer's still on. Link to comment Share on other sites More sharing options...
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