With float up cant blow thru fuel feed so this should prove they are working ?ģ. float needle valves have rubber tips and appear fine. Ensure that floats dont have any sideways movement or free play other than verticalĢ. I'll replace choke 'O' rings and shaft seal (so as both carbs off again do the following).Ĭhecks (all the below done last time I took carbs off):ġ. Reassembled idle very high, then suddenly dropped and cut out, given not sure they are correct will try pucker ones. Whilst waiting (and pulling last few hairs out) tried some 'O' rings which I had, they were a very tight fit. Have ordered replacements from Moss (yet to arrive) Noted choke cold start body 'O' rings perished and hard also rubber seal at end of choke shaft hard and cracked. They look fine snap fitted to get best fit, very slight bits of light when held up to a window. New points and rotor arm, plugs gapped, timing set to about 12 BTDC.Ĭhecked for air leaks, bought SU tuning book, read most if not all posts regarding setting up HIF here and on MGBEXP, and done all the checks including floats at 1mm.īutterflys (no poppet valve), butterfly shafts, screws and rubber seals replaced. however set idle varies from about 500 to 1500 seeming randomly often after stopping idle at 1500 may stay there or might slowly drop to 800 fine or 500 or even stalls, also the reverse starting at 500 then rising to 800 or 1500. Thought it best to start again given posts so far.Įrratic idle, i.e. Got to 100 posts on MG Owners club in UK and Im still looking so here goes: Carbs have been on/off quite a few times and all the standard stuff done. Oct 15 September 2022 - Custom Rotiss.īeen at this a while wondered whether any other thoughts might help.Oct 15 September 2022 - LH Quarter Fi.Oct 15 October 2022 - Wheel Arch Repairs.Oct 23 Misc Mgb Parts For Free Or Trade.Jul 17 ABNAMGBR 2023 "MGs In The Footh.Nov 18 FLBritish Invasion Car Show & F.
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