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Nibbles
PostPosted: Mon Jul 22, 2013 1:37 pm 
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two_OH_five wrote:
Bad det could kill an end imo


I would have thought most of the energy would be contained at the top end - but pre-ignotion on the other hand certainly would give the ends a hammering and this may be related to the intermittant misfire.

two_OH_five wrote:
Bad det could kill an end imo

Loss of compression on all cylinders sounds like foreign objects preventing valve closure - turbo grenade?


My thought exactly - or bad det. / pre-ignition smashing up the pistons.

I don't suppose Ryan used the same injector cleaner as you recently ?

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niblettr
PostPosted: Tue Jul 23, 2013 8:10 am 
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No, no cleaner..

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two_OH_five
PostPosted: Tue Jul 23, 2013 10:00 am 
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According to the EPC

Part no 13411-74909 - Crankshaft - 3S-G* , ST20*

Application search shows
MR2 - 199311- - 3SGE..SW20
MR2 - 99311-199506 - 3SGTE..SW20
Celica - 199508- - 3SG*..ST20*
Carina - 199402-199601 - 3SGE..ST191
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niblettr
PostPosted: Tue Jul 23, 2013 12:03 pm 
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cheers, that's good news...
Also means that the crank in the 3SGE would have had an easier life than one in a 3SGTE

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Diceman
PostPosted: Tue Jul 23, 2013 12:17 pm 
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There is a good rod bearing failure reference here:-
http://catalog.mahleclevite.com/bearing/

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niblettr
PostPosted: Tue Jul 23, 2013 1:12 pm 
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The damage...
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Diceman
PostPosted: Tue Jul 23, 2013 2:54 pm 
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Was the rod cap or bearing installed the wrong way around? The first pic seems to show a mark on the rod cap akin to the mounting tab? Difficult to tell from the pic though.
<EDIT> Sorry I think this is my *bleep* up WRT location of mounting tabs. <EDIT>

How are the other bearings?

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niblettr
PostPosted: Tue Jul 23, 2013 3:10 pm 
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The cap was right, the bearing, who knows. Probably correct as it would not have lasted as long as it did... I havn't looked at the other ones yet.

Engine is ready to come out, only 2 engine mounts holding it in.

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niblettr
PostPosted: Fri Jul 26, 2013 8:56 am 
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Right, engine is out and another crank has been sourced.. Where is a good place for get the shells from that won't bust the bank? Mr. T?

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niblettr
PostPosted: Fri Jul 26, 2013 8:56 am 
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Also, do I really have to replace the piston rings if the piston gets removed from the cylinder????

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darrylp
PostPosted: Fri Jul 26, 2013 11:22 am 
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niblettr wrote:
Also, do I really have to replace the piston rings if the piston gets removed from the cylinder????


No of course not, mark them so they all go back to the right place.

Mr T shells should be used. I did mains and big ends for about 130.

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two_OH_five
PostPosted: Fri Jul 26, 2013 11:39 am 
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If you want to be really anal match Mark the ring gaps on the block with a marker pen as they come out

That should cater for rings that haven't been rotating due to wonky bores/ring groove clag

I did this :oops:
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Sirius
PostPosted: Fri Jul 26, 2013 11:51 am 
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Did you ever resolve the very bad fuel economy mentioned in your signature?

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Diceman
PostPosted: Fri Jul 26, 2013 4:03 pm 
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Good point Mike. I did wonder at one point if it coudl have been a sticky injector.

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niblettr
PostPosted: Sat Jul 27, 2013 10:14 am 
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I think the consumption is ok now.

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