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The mkiv Supra Owners Club

the crank and shells


Guest mark4supra

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Guest mark4supra

help think crank shells have gone, if i leave my car standing for a few weeks when i start from cold it sound like a diesel engine , but arfter a few min its ok and sounds good again can any help

mark thanks

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If the big ends have gone it would knock pretty much all the time. I reckon its the top end, if its standing for so long the oil drains from the valve bucket thingies and they will clatter a bit until the oil has circulated and at full pressure. Start it, run for a bit, turn it off and see if it does it again.

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Guest mark4supra

thanks swampy , you could be right it dose sound bottom end well i hope your right it done it one befor when i left it for a long time , when i first start it coughf and splutters and only just starts and is a bit smoky , i know the old 28 if put a cheep filtter

on it it used to do the same mark

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