Serious Engine Trouble

[MoonRaker]

Sorry, oil rings, I like working with cars not reading dictionarys. It shouldnt use oil at all. If your getting fuel in your oil its from a leaky injector and if you have one it makes oil you dont loss it so thats out. Your lossing oil so thats from bad, stuck, worn out oil rings or an external leak. Yes it does get worse if your PCV valve is sticking. If you look through your oil fill, its probly brown, thats a sure sign of blowby. If your oil smells like fuel and breaks down fast, like in 500 to 1500 miles thats another sign. Remeber that its not a rotary engine wich is supposed to use oil. If its leaving your engine, somthings wrong and it isnt anything that you mentioned above is going to fix or stop completly. If your having these problems rember it just gets worse till it gets fixed or breaks completly. If you push it its going to cost you more to fix. My truck still has good power that meens a good chance of a easy inexpensive fix, for me atleast. Dont come at me like that psyco, im here to answer questions and ask them, not to start cyber fights. You can either be a friend and I can answer your questions if you have any for me or not. Pettitracing.com is were I work as the chief of R&D and master machinest. If you look on the sight youl see a yellow rx-8, like I said its mine, that supercharger kit you see there was designed by me also. I have fun doing things like that and ill put my mechanical engineering abilitys up against 95% of MIT grads and the other 5% are pretty impressed. Trust me, I work with alot of them. Ive built V-12s V6s, 4 bangers, rotorys and any 2-strokes you can think of automatic trannys are a little of a challenge, manuals are cake for me. At this time ive got an inline 4 jetski motor apart in my living room, its practicly the same motor as an R-1 less the tranny. I have never had a motor blowup that ive built and havent found a problem I couldnt figure out. I dont cut corners even if it saves money, do it rite the first time is my goal, not rigging it to get some more miles out of it.

[MoonRaker]

First of all WHAT OIL SEALS ON THE PISTON ??? Second excessive blow-by is not caused from bad oil rings


Wana bet ? If the oil rings are stuck, your going to get carbon buildup because the oil isnt getting sraped off the cylender walls properly. That causes the rings to stick also = blowby and oil burning. The acids from blowby breaks the oil down very fast and kills viscosity. Thats why your buddys oil turned to what you explained as almost fuel. That lack of viscosity causes metal to metal. Like I said, overdue oil changes and sludged oil are the main cause. Also if you run out of oil, well that isnt suposed to happen. It didnt do that when it was new did it, and were is it going.

[psychos2]

First of all WHAT OIL SEALS ON THE PISTON ??? Second excessive blow-by is not caused from bad oil rings


Wana bet ? If the oil rings are stuck, your going to get carbon buildup because the oil isnt getting sraped off the cylender walls properly. That causes the rings to stick also = blowby and oil burning. The acids from blowby breaks the oil down very fast and kills viscosity. Thats why your buddys oil turned to what you explained as almost fuel. That lack of viscosity causes metal to metal. Like I said, overdue oil changes and sludged oil are the main cause. Also if you run out of oil, well that isnt suposed to happen. It didnt do that when it was new did it, and were is it going.

I am not here to argue either but ,I purchased my vx with 15,000 miles on it so it was pretty much new. When I bought it the oil consuption was 1/2 quart per 3000 miles. I started noticing a lot more oil consumption , so I changed the pcv valve and it was back to the 1/2 qt per 3000 miles. The pcv valve failed again shortly after. The oil consumption was high again. So I made it so there was no chance for the oil to get sucked into the intake when the pcv valve gets stuck. Problem solved. Back to !/2 qt every 3000 miles . My vx now has 93,000 miles. So it is not a temporary fix to cover a problem with bad oil rings.
The problem with fuel in the motor was not on my vx. It was on a boat with a Procharger on it. They run so rich that the fuel makes it past the rings into the oil pan. They have a bad setup. On boats anyway. But again the oil was broke down and no bearing failure.

If you think about it if the problem was oil contamination, Wouldn't all the bearings fail, not just #1 rod bearing ? I think so . There is a reason it is #1 ,because the vx oil system starts at tha back so #1 get oiled last.

And I am not just joe schmo from Idaho (no offence) I have done some engine building myself.I have done many Supercharger installs. This is a link to the place I work. The motor in the videos is a 1300 hp motor. We just finished a 1000 hp motor,its going in the boat right now.

http://www.perfmar.com/

[VehiGAZ]

Are you two arguing about whether pistons have rings or not?!?

I think we can all agree that in a perfect world, piston rings would form a perfect seal for their entire working life of the engine and not one drop of oil would ever be lost past them, but in the real world, they are not perfect and get worse with age and some oil will get past. If we can all agree on that, then you can argue all you want about how much oil loss is acceptable.

To that, I say that half quart every 3000 miles is fine by me... the engine never gets starved for oil between changes, and that's the most important thing. My old Honda Prelude SH with 145k miles was burning about 2-3 quarts every 3000 miles. That was a problem, but not unexpected for a high-revving engine that old and that beat on (I was anything but gentle on that car from the day I drove it off the lot). Ultimately, the oil was cheaper than a ring job, so I was willing to live with it.

[MoonRaker]

Ha ha, psycos gotta deal with the corrosion factor. Thats why I dont like working on boats. Most of those boats you work on should have heat exchangers though. I worked on large frieghters so I now alot about what you deal with, Props to you psyco. The blowers were so big on those friggen boats that you needed a chainhoist to lift them. EMDs and cummings.

[MoonRaker]

Im starting my tear down monday. Its all pointing at the before mentioned problem. New rings are only $50. Plus parts and machining. A question for anyone that can answer it. Are the cylinders steel sleeves nickol or somthing else.

[Diogenes]

Was out last night at a concert. No problems driving there.. no indications of anything wrong.

After the show, got back in the vehicle and suddenly my "check engine" light, AS WELL AS my "Check Trans" light both came on. This is the first time for either.

Wouldn't be so concerned about the "check engine" since those are usually O2 sensors, but that Check Trans light had me nervous all the way driving home (but no apparent physical problems.. still shifted fine.)

Just went out and rechecked to see I'm still having the problem and the lights are still coming on.

Any ideas? It's a 99 VX with 54K on it. Had the Tranny cover replaced and new fluid put in less than 4K ago.

Appreciate any help..

Also, I'm looking for a replacement gas cap cover. When I bought the vehicle someone had broken off the cover, so the gas cap is exposed. Can't seem to find one doing a web search. But I can't believe this cover is unique to the VX. Would be hard to justify not having used a stock cover from some other model.

Appreciate any help..

Ron

[Diogenes]

Was out last night at a concert. No problems driving there.. no indications of anything wrong.

After the show, got back in the vehicle and suddenly my "check engine" light, AS WELL AS my "Check Trans" light both came on. This is the first time for either.

Wouldn't be so concerned about the "check engine" since those are usually O2 sensors, but that Check Trans light had me nervous all the way driving home (but no apparent physical problems.. still shifted fine.)

Just went out and rechecked to see I'm still having the problem and the lights are still coming on.

Any ideas? It's a 99 VX with 54K on it. Had the Tranny cover replaced and new fluid put in less than 4K ago.

Also, I'm looking for a replacement gas cap cover. When I bought the vehicle someone had broken off the cover, so the gas cap is exposed. Can't seem to find one doing a web search. But I can't believe this cover is unique to the VX. Would be hard to justify not having used a stock cover from some other model.

Appreciate any help..

Ron