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Old 12-15-2006, 07:53 PM
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Originally Posted by MeentSS02
Who built the engine?
I did. But the local "professional" engine builder balanced the rotating assembly, and they removed the reluctor wheel to do so, and put it on backwards.
Old 12-15-2006, 10:11 PM
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Originally Posted by 11 Bravo
Lol, I can assure you plenty of 4.00 strokes burn oil.
In those cases its a build issue.


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Last edited by Quickin; 12-15-2006 at 10:22 PM.
Old 12-15-2006, 10:13 PM
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Originally Posted by Cobra4B
I think you made a mistake... in the spirit of Christmas and brotherly love you actually built the motor I want and are shipping it to me
I didn't build it, I couldn't install a set of heads. The builder I'm using from now on built it, along with 5 C5R builds he has going right now. He's awesome.


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Old 12-15-2006, 10:16 PM
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Originally Posted by SideStep


If you hit the searches hard enough (not just here) there are several 4" strokes burning/using oil... Some do, some do not... I have to assume that depending on how well everything seats some oil use is not the end of the world. I would like to know if a stroker does use oil how much is too much, 1qt every 3000 miles, 2qt every 3000 miles, ...etc...???

Unfortunately people guard this information, like it is a dirty little secret they do not want to admit to or let out... when many of us could greatly benefit from their experiences...

I'm not afraid. I use 2 qrts every 200 miles, thats right every 200. For the first 30,000 or so it burned NOTHING really. But after that it just started getting bad. BUT......it was expected because of my long 4.125 stroke and short older sleeves.

There's no reason for a 4.00 stroke engine to burn oil FOR THE SAME REASON MINE IS. A bad break-in, washing the cylinders or just someone who doesn't know how to build an engine is the only other reasons.


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Old 12-15-2006, 10:20 PM
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Originally Posted by Ferocity02
Stroke has nothing to do with oil consumption. If it does, I'd like to hear about it. Anyways, my oil burning issue was caused by a reluctor wheel that was installed backwards. This caused the timing to be off... a lot. Suprisingly, the car actually ran like this, but was only running on cylinders 4,5,7,8. Because the timing was so off, all of the cylinders were washed down in gasoline, 1,2,3, and 6 more so, removing the oil from the cylinder walls from assembly. This resulted in the rings not being able to seat properly upon break-in. Removing the spark plugs acutally shows that cylinders 1,2,3, and 6 are burning more oil than the others, but they are all burning oil to some extent. After 1600 miles, the oil consumption has gone way down, but it is still unacceptable.
The reason mine burns oil is because the piston rocks too much at BDC because the stroke is so long for the sleeves I have. Over time this wears the rings out way prematurely and also takes the nice round shape of the cylinders. So oil passage by the rings steadily increases over time.

Thats why I'm surprised your 4.000 stroke burns oil, it basically can't for the same reason as me because with your stroke you have alot more piston support.

Now that I see your post, and like I said a few posts back.....it was the builder.

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Old 12-15-2006, 10:20 PM
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Originally Posted by Quik
specs on cam
I will call him tomorrow and get them for ya.


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Old 12-15-2006, 10:22 PM
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Originally Posted by Ferocity02
I did. But the local "professional" engine builder balanced the rotating assembly, and they removed the reluctor wheel to do so, and put it on backwards.
Doesn't that just **** ya off. You built a good engine and they fucked it up.


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Old 12-15-2006, 11:01 PM
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Forged 347 here. No oil burning issues so far. It does kind of clatter like a diesel a little bit, but that might be an exhaust leak.
Old 12-16-2006, 05:32 PM
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I just got a forged 347 and it has a little "clatter "also unitl warm.Oil pressure is good and doesnt use oil.
Old 12-16-2006, 05:45 PM
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Originally Posted by Quickin
In those cases its a build issue.


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No not always.
Old 12-16-2006, 05:53 PM
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Originally Posted by 11 Bravo
No not always.
An engine built right won't burn oil, one built wrong will.


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Old 12-16-2006, 06:07 PM
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Originally Posted by Quickin
An engine built right won't burn oil, one built wrong will.


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Well no not always there are other factors but I've noticed on here that trying to have a debate with you is like trying to catch a hog covered in vaseline so I won't bother lol. No offense.
Old 12-16-2006, 08:03 PM
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Originally Posted by 11 Bravo
Well no not always there are other factors but I've noticed on here that trying to have a debate with you is like trying to catch a hog covered in vaseline so I won't bother lol. No offense.
Why would an engine burn oil if the stroke was not too long for the sleeve, like mine is, and the engine was built perfectly.
Old 12-18-2006, 02:34 AM
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why is noone concerned about stock motors not burning oil and built motors burning alot or more noticeable? Is that the forged/hypereutectic part? I personally dont think it matters between the two, but i can see a larger bore creating more oil consumption than a smaller one. I also dont think stroke has anythign to do with it.
Old 12-18-2006, 06:59 AM
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Originally Posted by DoesSpeedTurnUon
why is noone concerned about stock motors not burning oil and built motors burning alot or more noticeable? Is that the forged/hypereutectic part? I personally dont think it matters between the two, but i can see a larger bore creating more oil consumption than a smaller one. I also dont think stroke has anythign to do with it.
What are you trying to say???
Old 12-18-2006, 09:53 AM
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Originally Posted by SideStep
What are you trying to say???
How come everyone is blaming the engine builder for burning oil? Dont the stock ones burn oil that were made by GM?
Old 12-18-2006, 10:31 AM
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So what truly is the cause of oil consumption? Is it a stroke/sleeve length issue, or is it more related to bore size? Or bore size vs. stroke?
Old 12-18-2006, 10:36 AM
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Old 12-18-2006, 10:37 AM
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Originally Posted by MeentSS02
So what truly is the cause of oil consumption? Is it a stroke/sleeve length issue, or is it more related to bore size? Or bore size vs. stroke?
I'd say it is related to how the motor is broke in and bore size.

just my $0.02
Old 12-18-2006, 10:43 AM
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read post #33...

https://ls1tech.com/forums/showthrea...3&page=4&pp=10

Originally Posted by MAC4264
Too short, as in length. I posted in 98Z28CobraKillers threads as well. He had pictures of spark plugs and they looked liked mine you could see the oil on the plugs. Read his post above he is burning oil. I hate to say this but the FORD guys were right. They use to build long rod 306 motors and I was told this over 10 years ago and did not believe them. Bascally the same piston a 402 uses that long rod 306 uses. They told me it will never work on the street because the rings are into the wrist pin and you use the rail for support. Oil goes around the back side of the oil rings. You only get the benefit of the top oil rail if even that. This is a major problem but when combined with pulling out of the sleeve at bdc it compounds the problem. You guys are a little luckier that I was mine used a quart every 150 miles.
I cannot verify or disclaim what the poster suggest..


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