Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

b20 motor seized.... block still good?

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Old May 27, 2009 | 08:10 PM
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Default b20 motor seized.... block still good?

alright boys and girls, my pastor's crv motor just recently seized due to the lack of oil going to the head. i don't know the whole story behind it but i do know that they said the head is a goner. my big question is, is the block shot or is it fine? i can pick it up for free but i don't want to waste my time if the block is shot. would there be shops that can check if the block is functional or not? thanks.
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Old May 27, 2009 | 08:16 PM
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Default Re: b20 motor seized.... block still good?

get it if its free.. just check everything make sure the crank and journals are good.. if you need to, take it to a shop and have the test the block
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Old May 27, 2009 | 08:20 PM
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Default Re: b20 motor seized.... block still good?

when you say "journals" which part is that?
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Old May 27, 2009 | 08:26 PM
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Default Re: b20 motor seized.... block still good?

on the crank.. theres main journals and rod journals.. thats where the bearing rides
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Old May 27, 2009 | 08:33 PM
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Default Re: b20 motor seized.... block still good?

how do i tell if it's bad or good? a picture would help. (i'm a visual guy)
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Old May 27, 2009 | 08:38 PM
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Default Re: b20 motor seized.... block still good?

its hard to explain
if you take the pan off and the main caps off the bottom of the block take the crank out and look at the crank and its journals if their scored or have deep grooves in em then its probably bad.. but mostlikly it wont be terriable.. you can never tell with out getting into it if its bad or not
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Old May 27, 2009 | 08:52 PM
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Default Re: b20 motor seized.... block still good?

okay, i somewhat understand it. is it something like this http://i404.photobucket.com/albums/p...odjournals.jpg
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Old May 27, 2009 | 08:56 PM
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Default Re: b20 motor seized.... block still good?

here's more http://i44.tinypic.com/w6rssm.jpg
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Old May 27, 2009 | 10:45 PM
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Default Re: b20 motor seized.... block still good?

bump? anymore check ups?
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Old May 28, 2009 | 10:15 AM
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Default Re: b20 motor seized.... block still good?

1st pic i cant see
2nd is a bad journal.. you can how ever have it fixed at a machine shop
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Old May 28, 2009 | 05:38 PM
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Default Re: b20 motor seized.... block still good?

okay. is there anything else i should be looking for? (btw, the pic above is just examples) or i should be fine?
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Old May 28, 2009 | 05:49 PM
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Default Re: b20 motor seized.... block still good?

Deep scoring on the cylinder walls. But, you can always overbore or sleeve it.
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Old May 28, 2009 | 07:44 PM
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Default Re: b20 motor seized.... block still good?

If the walls have deep scoring, I would suggest sleeves, as the walls are thin anyways.
prototype2 I would just check to make sure isn't any deep scoring, and if you aren't sure, just take it to a shop torn apart and have them check.
You should rebuild the bottom end since your checking it.
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Old May 28, 2009 | 08:02 PM
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Default Re: b20 motor seized.... block still good?

If there is no oil going to the head then the block should be fine. It takes about 30 minutes to check the main and rod journals. Be sure to check the motor side as well. If the cylinder walls are scored(bad), and it needs a line-bore(bad scoring in the journal), and you don't have the money to sleeve it, expect one of the these options:
Journals Good:
1. you re-build(with a simple hone) and wear rings super fast not to mention blow-by
2. re-build (with a bore) and crack a cylinder wall

Journals bad too:
1. end up spending as much as you would on a nice sleeved block with no more power or torque.
2. burn up bearings like crazy if you don't line-bore
If the cylinder walls are good and it doesn't need a line-bore, then I'd take it in a heartbeat. Hope this helps! GL.
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Old May 28, 2009 | 08:04 PM
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Default Re: b20 motor seized.... block still good?

god didnt help with this motor 666 haha
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Old May 28, 2009 | 09:59 PM
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Default Re: b20 motor seized.... block still good?

thanks vtecjunkie. i'll check it out. really excited about.
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