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Motor Rebuild Finished.....What's Wrong???

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Old 12-06-2001, 09:48 PM
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Default Motor Rebuild Finished.....What's Wrong???

I just finished getting pistons and rods put into my 95 Integra Ls.....After boosting and breaking the ring lands I got eagle rods and SRP pistons (stock bore).... after putting the engine back into my car and starting it up and letting it run for 20 minutes between 2k-3k RPMs like theoldone suggests....the first three cylinders and filled with oil and smoke is still coming out of my valve cover breather....cylinder 4 is dry as a bone.....could this be a bad hone job...bad placement of the rings or what...OEM acura rings were used...do the rings just need more time to seat?? Any help would be much appreciated...thanks

Old 12-06-2001, 10:13 PM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (Turbo LS)

Repeat that with proper grammar.
Couldnt understand a thing you said.
Old 12-06-2001, 10:17 PM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (sgT)

He put forged pistons and rods into his ls motor. They were stock bore. He used OEM rings. He honed it out enough to put the cross-hatch pattern in the cylinder. He put the ring gaps to the position the manual specifys and used a ring compressor to put the pistons in. After the initial startup he has large amounts of oil seeping out the exuast manifold. A small amount might be normal, but even after letting it idle for a while, it is still coming out. There is also oil sitting on top of the pistons.
Old 12-06-2001, 10:57 PM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (Turbolude)

Sorry, i know this isn't answering the question but what exactly did you do to require a rebuild, too much boost?
Old 12-06-2001, 11:35 PM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (Turbo LS)

If the rings are not put in exactly right, bad things will happen. The rings need time to set, but this is not what happens. I'm not sure about Acura's rings, I recommend total seal, they come with very specific instructions.

Did the pistons seem sloppy?
Did they ship the right ones?
Did you use a ring compressor?
Did you measure the piston diameter with calippers?

Answer these and I'll try to help
-Dan
Old 12-07-2001, 12:29 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (captain4g63)

That's what I thought...that the rings weren't seated properly...He says that oil is gushing pretty good out of the head and exhaust manifold. Wouldn't that be due to the pistons not sealing properly?
Old 12-07-2001, 04:40 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (captain4g63)

He had total seal rings, but heard so much **** about them that he decided to go with OEM rings. The pistons didnt seem sloppy at all, nice and snug. A ring compressor was used and no he didnt measure the piston with a caliper. In the manual it shows certain directions that the rings gaps should be. He followed those exactly. Is it possible to hone the cylinders out to much with 3-4 quick swipes?
Old 12-07-2001, 05:38 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (Turbo LS)

Did the oem rings fit well? Do those SRP pistons use oem sized rings? I am just wondering since the Arias uses rings twice the thickness of stock.....
Old 12-07-2001, 05:47 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (G)

You can run a cylinder hone for 30 seconds to a minute without "overboring" your cylinders. They're not made to remove material, just to break the glaze off the surface.

I'm betting the rings got spun around when going into the ring compressor and now you've got some gaps lined up really nice letting the oil right through.
Old 12-07-2001, 06:00 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (dbman96)

head gasket upside down? not torqued properly?
Old 12-07-2001, 06:07 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (stizzit)

It could be lots of things.

First of all, are you 100% SURE that the rings were installed properly? With the markings/letters facing UP? If they are put upside down then oil will not "get stopped"
Was the ring end gap checked? If it is not the correct spec, it can let oil by.

How many miles are on the engine so far? Was a proper break in done or did you rev it to 3000 for 20 minutes and then go stomp on it?
Old 12-07-2001, 06:09 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (Turbo LS)

and you say there is no problem with coolant shooting all over the place?
Sounds like you did not do your proper D&D before getting parts, you should at least blueprint your cylinders before buying pistons, anyway tear it down probably your headgasket is on wrong or you have super serious problems.
Old 12-07-2001, 06:32 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (rtype11)

What does it have to do with the head gasket? If the gasket was bad, he would have coolant in the oil..he didnt say anything about coolant in the oil.

If oil is coming out of the exhuast manifold, then the oil is getting past the rings and into the combustion chambers and spit out the exhaust. Im going to say you will AT LEAST have to pull the head and pistons and check your rings end gasp as well as what way the rings are facing.
Old 12-07-2001, 07:12 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (HX_Guy)

the guys description was barely coherent, he hasnt taken the head off but knows there is oil in the chamber, how does he know the mixture of crap in there.
Old 12-07-2001, 07:33 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (Turbo LS)

i believe the problem lies in the fact that you didn't use je/srp rings. there is a shop here local to me that has to have pistons custom made to accept the oem rings. order the je rings, pull the pistons and rods out, give the cylinders a quick hone, install the je rings, and you should be golden. by the way.. you were smart to not use the total seal.
Old 12-07-2001, 07:43 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (supergreenSol)

You can use whatever rings you want with JE pistons.. You just have to specify to them exactly what rings you're going to use at the time you're ordering the pistons. JE will usually ask you if you want to buy rings also.. they offer Hastings and Total Seal.
Old 12-07-2001, 07:50 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (rtype11)

Thats a good point rtype11, maybe it is a mixture of coolant in there.

I would drain the oil if you havnt already and see how it looks...does it look like chocolate milk?
Old 12-07-2001, 09:11 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (HX_Guy)

Thanks for all the replys....sorry about my grammar..it had been a long bad day and needed some help....I think I'm going to pull the head off and get a new head gasket and then see if that works....and if it doesn't I'll pull the pistons and put in the Je-Srp xs rings...but how do you file fit them...do you just put the piston an inch down in the cylinder and use a fillar gauge to the exact specs....and how do you file them....I was told by others that using OEM rings is the best way to go if I'm leaving the motor at stock bore they never mentioned anything about the rings being different thicknesses....as far as I know, I put the rings exactly how the Helm's manual said to... but anyways tell me what you guys think I should do....thanks
Old 12-07-2001, 09:13 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (Turbo LS)

Have you drained the oil? How does it look?
Old 12-07-2001, 09:15 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (HX_Guy)

As for the rings and the end gap...

There should be noting wrong with using OEM rings with the JE pistons...or any aftermarket pistons.
Your Helm's will tell you how to check the ring end gap.
I have heard you can use a file to file down the rings...just make sure you only take out VERY little at a time...rememeber you cant put the material back
Old 12-07-2001, 11:26 AM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (HX_Guy)

ttt
Old 12-07-2001, 06:04 PM
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Default Re: Motor Rebuild Finished.....What's Wrong??? (newsense)

It took us 5 hours but we took the head off and pulled the pistons and rods back out. Sure enough the rings were upside down. We took all the rings back off and cleaned them and the pistons and put them on properly. Rehoned the cylinders and put them in. Just a little bit of smoke from the oil in the manifold. Let it run for a while and did a compression test....200/180/190/180...not in that order. Anyhow, i dont think thats bad considering we only gave the rings 20 mins to seat. Anyhow, thanks for all yalls help....I had never heard that the rings had a top and bottom Anyhow, what happen again.
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