djg99 Posted August 24, 2010 Share Posted August 24, 2010 Can anyone help how many codes are there for the big end shells, as got a set from Toyota, but after opening the pack and measuring them there thicker then the old ones. And i no that Toyota wont take them back as ive opened them! was wondering if they have given me the wrong ones as i gave them the engine codes!! Quote Link to comment Share on other sites More sharing options...
djg99 Posted August 24, 2010 Author Share Posted August 24, 2010 Just noticed there's 0.25 on the side of the shells, so could they of given me over sized shells?? as the numbers dont match of the old ones, if they have will they change them!! Quote Link to comment Share on other sites More sharing options...
TLicense Posted August 24, 2010 Share Posted August 24, 2010 It's not as easy as just giving them an engine code as there are different thickness's. Basically you have to measure the diameter of the outer diameter of each of the crankshaft pins and measure the inner diameter of each of the big end bores of the con-rods. You then need to order the bearing size for each big-end that gives you the correct oil clearance. Quote Link to comment Share on other sites More sharing options...
TLicense Posted August 24, 2010 Share Posted August 24, 2010 Take a look at this thread where I've explained a little more indepth as to what's involved.... http://www.mkivsupra.net/vbb/showthread.php?t=171026 Feel free to ask if there's anything in particular you need to know. Quote Link to comment Share on other sites More sharing options...
dude Posted August 24, 2010 Share Posted August 24, 2010 .25 sounds like the first oversize dude. Quote Link to comment Share on other sites More sharing options...
djg99 Posted August 25, 2010 Author Share Posted August 25, 2010 Spoke to Toyota, they are oversized, as i asked for a set of big end shells they only sell the set as oversized!! Luckly for me there gona change them for me panic over Quote Link to comment Share on other sites More sharing options...
TLicense Posted August 25, 2010 Share Posted August 25, 2010 Did you measure up what sizes you require? As I said, it's not as easy as just asking for some 'big end shells' as they sell something like seven thickness's for the 2JZ engine to enable you to make sure you get the correct oil clearance. If the crankshaft is severely worn then you can grind the crankshaft back to being round and then buy the oversized shells, which again I think come in something like seven thickness's. Quote Link to comment Share on other sites More sharing options...
djg99 Posted August 25, 2010 Author Share Posted August 25, 2010 Yeah the guy was realy helpful in the end he explained what i need to do, he said the bloke who placed my order was a plank and should of new better when i placed the order, as i told them i was doing a rebuild! Your guide is realy helpfull to :-) Quote Link to comment Share on other sites More sharing options...
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