ok so ive got an 1100 got me some lcb,s and put em on twin inlet manifold ,built up some twin carbs,correct needle springs ,bolted em on turn the key,push the button and the thing just screams its little head of as if at full throttle ,choke set throttle closed , although doesnt make any diff . no floats sticking i have read manual and checked in vizards but cannot rectify problem only way it will run is by turning key on and off before revs get high so pistons dont fly through bonnet have set mixture and played around with that thinking it was too rich but even screwed to top does the same can ny bdy help me or shed some light on what i have overlooked ????? can ran fine with single . 

1. how do i get it to 'tick over nice"
2. what else can i try
3. how far should i be able to throw 5/8 spanner

could be the butterfly/s sticking open

Yeah, sticking butterfly probably. I've thrown spanners into my angry neighbours garden before. Full on chucked them over the fence.

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Jonathan
http://photobucket.com/albums/y64/FatMaserati/

hmmm checked that butterflys closed / ie doesnt make any difference whether throttle is open or closed still races ??????/ but thanx muchness keep tryin

You said you built up a set of SUs didn't you?

I once made the mistake once when I rebuilt a set, I put in those replacement butterfly bushes on the spindles but didn't push them in far enough so air went around the butterfly when I tried to run the car. Took me a while to spot that one.

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

i know it may sound silly but are the dash pots filled with oil ???
and are the needles sitting back into there seats corectly ??
makka

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Anonymous moderation means the agro that is built up towards the mods isn't aimed at an individual (fewer "Makk" attacks). Less stress for mods means less moderator "retirements".

If you rebuilt the carbs did you maybe fit the butterflys the wrong way? Easy to do...

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

not silly can happen nope not that ! but read on

not silly can happen nope not that ! but read on

not silly can happen nope not that ! but read on



well took off the twins got out the angle grinder and cut the one piece manifold in half to use the inlet part put on single su and starts like a kitten and even purrrs obvously the twin setup hadnt sat in the shed long enough !!!! so ive hung them up to mature a little !!!! and will come back to them in the warmer months when its no so bloody cold workin in the shed ect and my sanity has returned .