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    MA12 lumpy Idle

    The saga continues... Having bought a replacement head (cheers Matt) , stripped and checked it , relapped the valve seats put in new guide seals etc etc and left nothing to chance the engine has a lumpy idle. If I remove HT lead number 3 the engine still sounds the same. Have checked valve...
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    Best K10 Cylinder Head

    Hi, I have recently swapped out my 1.0 L MA10 engine in my PAO (ECC controlled with Catalyser for a MA12 from a 1990 1.2 GSX. The MA12 motor has bent its valves following a cambelt failure so I now need to rebuild one of the heads but which one... Which head will give the best...
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    Intro

    Hi all, I drive a PAO and fitted a MA12 engine a few months ago and did 1000 miles before the cambelt snapped , suspect the pistons have bent the valves - That'll teach me to rush the engine swap! Now on the lookout for a decent s/hand head failing that I'll go the rebuild route as I've sunk...
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