mattanna Posted August 31, 2006 Share Posted August 31, 2006 Well the mighty Aristo is in at Lucifer's to diagnose oil and coolant leak, it turns out the oil pressure switch has gone and it will prob need big end shells? doing, bill will have 3 0's on the end and more than a one at the front, this bullet proof engine theory is not wearing well with me any more, it has done 98,000 stock:search: Quote Link to comment Share on other sites More sharing options...
bignum Posted August 31, 2006 Share Posted August 31, 2006 not looked after by previous owners, these motors are normally pretty good. Quote Link to comment Share on other sites More sharing options...
stupra Posted August 31, 2006 Share Posted August 31, 2006 Bollocks indeed. Good luck with it mate. Quote Link to comment Share on other sites More sharing options...
Robert Posted August 31, 2006 Share Posted August 31, 2006 Sorry to hear this mate, yours isn't then only aristo with engine problems Quote Link to comment Share on other sites More sharing options...
mattanna Posted August 31, 2006 Author Share Posted August 31, 2006 Sorry to hear this mate, yours isn't then only aristo with engine problems Whats the prob with yours Robert?, the knocking on start up which stops after presure equalises is apparently a bad sign Quote Link to comment Share on other sites More sharing options...
Pete Posted August 31, 2006 Share Posted August 31, 2006 Shells - not shelves! Quote Link to comment Share on other sites More sharing options...
mattanna Posted September 1, 2006 Author Share Posted September 1, 2006 Shells - not shelves! Sorry thats what i meant, was drunk trying to absorb the shock! Quote Link to comment Share on other sites More sharing options...
Robert Posted September 1, 2006 Share Posted September 1, 2006 Whats the prob with yours Robert?, the knocking on start up which stops after presure equalises is apparently a bad sign http://www.mkivsupra.net/vbb/showthread.php?t=80119&highlight=engine+bang Quote Link to comment Share on other sites More sharing options...
JustGav Posted September 1, 2006 Share Posted September 1, 2006 Hmmm... Now I know the aristo's were actually designed before the supra, and a lot of the supra design is owed to the aristo... Are people sure that the engines are 100% identical... afterall the A340E gearbox shared with the NA and TT aren't. I'm wondering if the aristo TT engine is slightly different, similar perhaps to the NA and TT engine and the oil squirters under the pistons... Might be a long shot, but could be worth finding out. Quote Link to comment Share on other sites More sharing options...
Robert Posted September 1, 2006 Share Posted September 1, 2006 Good point, i'll be putting a supra lump in mine soon, but once i have the old engine out, i'll have a look about and see if anything is different. Quote Link to comment Share on other sites More sharing options...
Digsy Posted September 1, 2006 Share Posted September 1, 2006 Soop Dogg's engine popped its pressure switch and leaked oil onto his driveway. He changed it himself for a few quid. Why do you need the new shells? Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted September 1, 2006 Share Posted September 1, 2006 Soop Dogg's engine popped its pressure switch and leaked oil onto his driveway. He changed it himself for a few quid. Why do you need the new shells? Indeed, I don't see why a leak from the oil pressure warning light switch would bugger the crank bearings, unless the engine was also allowed to out / low of oil.... Bearing failure on a stock, unopened JZA80 usually follows from either running very low on oil, or cheap oil sedimenting out and blocking the oil pump pick up strainer. Quote Link to comment Share on other sites More sharing options...
mattanna Posted September 1, 2006 Author Share Posted September 1, 2006 It has knocking on start up which only stops when pressure is up, dip stick test revealed no oil in it even though i had checked it weekly, oil pressure sensor is coincidental, so shells likely culprit and hope they have been caught early Quote Link to comment Share on other sites More sharing options...
mattanna Posted September 1, 2006 Author Share Posted September 1, 2006 Hmmm... Now I know the aristo's were actually designed before the supra, and a lot of the supra design is owed to the aristo... Are people sure that the engines are 100% identical... afterall the A340E gearbox shared with the NA and TT aren't. I'm wondering if the aristo TT engine is slightly different, similar perhaps to the NA and TT engine and the oil squirters under the pistons... Might be a long shot, but could be worth finding out. Ecu is different i think, but not much else as far as i am aware Quote Link to comment Share on other sites More sharing options...
JustGav Posted September 2, 2006 Share Posted September 2, 2006 Ecu is different i think, but not much else as far as i am aware But I believe the ECU's are interchangable.... I stand be corrected, but I believe you can put a TT ecu into an aristo... Quote Link to comment Share on other sites More sharing options...
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