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Rebuild or buy rebuilt engine; It is rebuild!
Topic Started: Aug 2 2014, 10:34 PM (1,576 Views)
freegeo
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I have my engine tore down and it needs a serious rebuild. Cylinders bored, new pistons, head redone, and etc.

I found a rebuilt engine that is a 94. Mine is a 97. I know I would have to use some of the parts off the 97 to make it work correctly,

The 94 has a rebuilt head, new rings, bearings and gaskets. The guy said to make him an offer. What type of price do you think it is worth? I have a few concerns since the pistons may not of been replaced and the block bored. A machine shop did the work and I don't think the engine has ever been started.

After the things i have learned on here reading posts and reading the FSM I know there are tight tolerances on these engines. I don't want to spend a lot of money on a engine that may not last a long time.
Edited by freegeo, Aug 18 2014, 12:10 PM.
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perfesser
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Elite Member - Former Metro owner

If you rebuild what you have, you know what you have. The major differences between the '94 and the '97 have to do with the engine electronic controls and sensors (yours is OBDII, the older one isn't.) They aren't trivial, but they're nowhere near showstoppers, either.

If you're not afraid to dive in (you tore it apart, so you must have some skills!) I'd recommend you do it yourself and control the process. "Rebuilt" can mean a lot of things to a lot of people. Not all machine shops are created equal. Your concerns about the cylinder group are valid.

You could probably rebuild yours for about what they're going to want for a zero hour rebuild.

Your call! Good luck!
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freegeo
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That's my feelings exactly. If I rebuilt mine I know what was done to it. If I buy one that was rebuilt and never been run I would feel the need to take it apart and check the clearances.

Not all machine shops are the same. I have found that out myself just by asking questions.
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Deleted User
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Get a JDM engine.
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freegeo
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Are JDM engines reconditioned to factory specs?
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Car Nut
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They are used engines, typically with around 40-50k on them.
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freegeo
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I was thinking that JDM sold reconditioned engines. Do they have a website for a used engine?
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snowfish
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Basic GearHead

http://www.jdmenginedepot.com/jdm_engine_details/158/Suzuki_G10_Swift_/_Geo_Metro_Engine_JDM_G10

Great price with lot's of extra goodies. :thumb Looks like they may be out of stock though. :smackface
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perfesser
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Elite Member - Former Metro owner

It doesn't say, but I wonder if that AT bolted on the back end comes with it, too.
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snowfish
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Basic GearHead

With a shipping weight of 400lbs, I would say yes. :hmm Unless I'm stronger, than I think, to pick my assembled G10, off the work bench, by hand yesterday. :gamerz :hmm Maybe that's why my back is sore today? :hmm :whistle :-/ :lol
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Metromightymouse
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Powdercoat Wizard

When I went looking for a JDM I discovered they have become rather rare and hard to come by. If the motor hasn't sat for a long time I would contact the shop that did the work and discuss it with them. If it's been sitting then that is a reason for a lower price as all the gaskets are suspect.
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geopanda
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Do it Yourselfer

i would say do it yourself. you can rent or buy the tools you need and if done right and maintained can last incredibly long.
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freegeo
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geopanda
Aug 6 2014, 09:35 AM
i would say do it yourself. you can rent or buy the tools you need and if done right and maintained can last incredibly long.
I have thought about it and that is what I am going to do.

When you say buy or rent tools, you mean to take the motor out and apart or to rebuild it?

I already have it out and tore down. I figure it is worth a little extra $ to do it myself and it has a better chance of lasting a long time.

Taking the head in next week to have new guides put in, seats ground and it milled flat. Taking the block in at the same time to have them measure it and tell me what size pistons I would need to order. # 2 cylinder is about .015" out of round. Crank need ground too.
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freegeo
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Taking my head and block this week to the machine shop. Before taking it I wanted to try and balance the rods. Got them done today.

Just followed clarkdw's guide to do it. Couldn't find a c channel so constructed my own. Turned the wrist pin down and a drill press with some 120 grit sandpaper until I had a slip fit into the rod.

Here's some pics.

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perfesser
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Elite Member - Former Metro owner

You'll be amazed at how smooooth your engine runs when you get it back in! I balanced my rods (didn't have to on the pistons, they were already perfect!) and that little mill just sits there and purrs!
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