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  #16 (permalink)  
Old 08-11-2005, 11:58 AM
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ringa won't seat

Quote:
Originally Posted by engineczar
Is it smoking out both banks all the time or just one side or is it just under a load, or at startup, or after letting off the gas? Could you have just one bad cylinder with a improperly installed oil ring package. Break in, synthetic oil or conventional?
I have a crossover in the exhaust so both banks now. smokes mostley at low idel, while setting at a stop light, or that may just be when I see it the most.
at first start up no smoke, it takes about 1 minute before it starts smoking, so I think the heads are all right. brake in with castrol gtx 10/40. no synthetic or additives. thanks for all the posts you guys I need all the info and help I can get. thanks again oldnunable..

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  #17 (permalink)  
Old 08-11-2005, 12:28 PM
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What year small block we talking here? what cubic inch?
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Old 08-11-2005, 12:30 PM
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my dad said Chevy Dealerships in the Late 50s did the old Ajax / Comet trick on the 265 V8s for oil consumption and to seat the rings, most people don't believe it, butt they did it and it worked . it's Not a old wifes tale.




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  #19 (permalink)  
Old 08-11-2005, 12:40 PM
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smoke

When you changed the oil did it smell real bad of gas????

keith
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Old 08-11-2005, 12:55 PM
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Quote:
Originally Posted by Jmark
Rings stay in that offset position for a couple of minutes. Only way to keep them from moving around is to pin them like 2 cycle engines do.
Yeah, there's always been great controversy reguarding ring placement but the better engine builders I've spoken with have all told me that the compression rings will rotate so no big deal. Just make sure your ring gaps are set right-the top ring should be as close to zero as possible during running conditions/after warm up and expansion.
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Old 08-11-2005, 02:29 PM
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rings won't seat

Quote:
Originally Posted by DoubleVision
What year small block we talking here? what cubic inch?

double vision: 350 bored 40 over 356 I guess. (oldnable) that is my car not me. as for year 1976 or 78

Last edited by oldnable; 08-11-2005 at 02:35 PM. Reason: no year
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Old 08-11-2005, 03:39 PM
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Well, you're not giving us much usefull info about what you have or the work done to it. So here the way it is. If you started with striaght, round bores reasonable piston to wall clearance and new pistons modern day rings seat very quickly, even plain cast rings. You shouldn't notice any smoking from the exhuast except for the first time you start it.
Every kind of ring that I have seen in the last 15 years has been lapped at the factory. I kinda wish I had a set of the cheapy rings that were around up until the mid to late 80's or so just to show people the difference. All the stories of scouring powder added to the oil are tells from the past and should stay in the past. With the kind of smoking you're discribing either you got ahold of some parts that were made 15 or more years ago or something is way wrong. If you bought your parts recently I would have to say that something is not right and it not going to get better without pulling the motor and finding out what's wrong.
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Old 08-11-2005, 04:43 PM
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Quote:
Originally Posted by tresi
Well, All the stories of scouring powder added to the oil are tells from the past and should stay in the past. With the kind of smoking you're discribing either you got ahold of some parts that were made 15 or more years ago or something is way wrong. If you bought your parts recently I would have to say that something is not right and it not going to get better without pulling the motor and finding out what's wrong.

i'm Not saying to do this, i'm saying Chevy did this !

" my dad said Chevy Dealerships in the Late 50s did the old Ajax / Comet trick on the 265 V8s for oil consumption and to seat the rings, most people don't believe it, butt they did it and it worked . it's Not a old wifes tale. "
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Old 08-11-2005, 05:54 PM
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Just drive it dude, if it still smokes in another 500 miles then I would get worried.
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Old 08-11-2005, 08:07 PM
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Quote:
Originally Posted by tresi
All the stories of scouring powder added to the oil are tells from the past and should stay in the past.
Doc here,

Known fact the first run of the Chevy 265 was an "Oil Pumper", the engineering cure was Bon Anmi down the induction system..it was just abrasive enough to knock the glaze off the walls/rings and allow re~seat.Making the warranty Guys real happy..

The History Channel or TLC (can't remember) Actually ran a byte on it on the Invention of automobiles a while back..

However...Please do not add it to the OIL...unless you like knocking and rod explosions...LOL

Do like I said before...hammer it about 15 or 20 miles hard as it will stand..then drive a varied speed/torque for an extended distance..up to 500 miles.It should seat, or else burn out..either way you'll have your answer..
========================
Jessie01: yeah it should be 120 degrees...then again..I should be a millionaire too.. 90 degrees is close enough for the girls I date...never had one go bad yet..in comparison..I've had girls that smoked...

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  #26 (permalink)  
Old 08-14-2005, 07:57 PM
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rings wont seat

Like he said, keep driving it another 500 - 1000 miles, etc.

I have worked on several engines that had GTX in them and they smoked all the time. Switching those engines to Mobil 1 synthetic stopped the smoking permanently. One other one I switched to Pennzoil and Restore and it stopped smoking.

In this particular case I would do this...... Switch to Pennzoil and drive it. I would not put in any synthetic until 10,000 miles.

I would be willing to guess that the hone job is bad. IMO most of the shops are stuck in the 80s with their hone jobs and new ring technology does not support the old school honing technique. I would bet the hone job is too coarse for the type of ring face.
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