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New throttle bodies on and all is well, running like a Swiss watch.

Pulled her apart again valve timing and clearances ok, so must be a prob with the throttle bodies, wait for a replacement set, next week I hope unless customs hold them up, coming from El Paso to UK. Cheers ross

Going back to the beginning throttle bodies off waiting for the replacements, having a set of blanking plates made to remove the air system, so while I'm there off with the rocker cover and recheck valve timing and clearances, researching things a high vacuum reading on one cylinder points to...

I think I must be missing some thing, no air leaks, clearances done, was running fine before the cct let go, so what has changed, maybe I'm barking up the wrong tree, would 1 tooth out on the valve timing give this fault. Now I'm no doubting my own work, was checked and triple checked on assembly.

Yes the cold start is coming off, tonight I had another go got the idle down to 1100 rpm but 3 reading ok but 4 would not balance without rpm raising and could not get 1-2 to balance with 3-4 unless the rpm went up. I have just purchased another set of bodies from El Paso USA at a good price...

No it's correct I have the 2005 supplementary manual which covers this and other uk updates for 2005

Thanks audiowise just before I read your post I put more slack in the pull cable on the aduster by the twist grip and set the centre aduster screw and the 3-4 screw midway now the butterfly's are hitting the stop screws, thought I would mention my main idle adjustment is not mechanical it is an...

I cannot get the idle down to 1k that's the problem, had a play tonight all gauge needles level and raising and lowering together but still at 1200-1300 rpm idle. I did find if I force the twist grip to close the butterfly's I can get it down to 1k but number 3 goes out of balance until I...

I did say vacuum was low, its not its high sorry for misleading every one 1,2.and 4 read10" vac and 3 reads 15" vac idle speed is 1300rpm and can not be lowered, the rest is in the original post

I use a bank of 4 dial type gauges and as you say I always check each one on one cylinder to confirm the same readings.

Well today I set up the balance gauges and the bodies were well out no.3 was really low and out between 1-2and3-4. I checked the balance from cold noting if there was any changes as she warmed up, this was all done with the air screws right in and the main idle air screw backed of, when hot was...