Hello and from reading here I havent found a answer to a question. If a person had a modern fuel injected car/truck and they were running something like Rotella T5 10W30 in the vehicle, would any harm be done to that catalytic converter? Wondered this so dont crucify me on this. I still use my pyb 5w30 in my civic. If you had a older car that was carb' with a cat conv, would running the above mentioned HDEO hurt the converter?
Oil question
- Thread starter civic09
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If Rotella T5 has SN aproval it should be fine even for 2012-2013 car.
But I doubt any new car manual will say use 10w-30. It will be 0w-30 or 5w-30.
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SM is SM so you can use it without worrying at all.
The ZDDP in any oil is damaging to O2 sensors and catalytic converters.
Rotella has about double the ZDDP as most passenger car motor oils.
The amount of ZDDP that hits the O2's and Cats is a function of the amount of oil that gets burnt and the zddp in the oil.
So, it could be especially in a car that burns a lot of oil, or it could be no big deal in a car that burns no noticeable amount.
Originally Posted By: civic09
I think you meant to say Fraction also not function bepperb adam
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I dont think that looks right to me or anyone that is literate whatsoever. Anywho, I guess to answer my question, yes it is ok, as unless your car/truck is burning oil, you would be fine to use this Rotella 10w30 oil in a vehicle that has higher miles or older vehicle that specs a 10w30.
thanks folks,
Adam
Anywho
I think you meant to say "anyhow" that dosen't look right to me. 
Originally Posted By: civic09
I dont think that looks right to me or anyone that is literate whatsoever. Anywho, I guess to answer my question, yes it is ok, as unless your car/truck is burning oil, you would be fine to use this Rotella 10w30 oil in a vehicle that has higher miles or older vehicle that specs a 10w30.
thanks folks,
Adam
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Okay, children...
Anyway! 
I wouldn't use T5 in a Civic(not my first choice), for example, at least not in the winter. Perhaps try it in the summer first for a shorter OCI and then proceed to get a UOA to check things out. If you aren't burning much oil out of the exhaust, it shouldn't foul up the cat too quick. Just using your car as the example that is. You might could add some MoS2 for kicks.
I wouldn't use T5 in a Civic(not my first choice), for example, at least not in the winter. Perhaps try it in the summer first for a shorter OCI and then proceed to get a UOA to check things out. If you aren't burning much oil out of the exhaust, it shouldn't foul up the cat too quick. Just using your car as the example that is. You might could add some MoS2 for kicks.Again, I am NOT going to use this in a civic or my civic. Just curious if it would damage a cat converter. My car doesnt use oil or leak oil also. Artbuc, I have a education and I have respect for others. Some people cant spell well is what I was implying so dont go off telling me or anyone to get educated when you dont even know the person.
Have a nice life
Well, I was just using your car as the example, I did state that.
I too think it's simply a matter of how much oil a car may burn/lose via exhaust, as far as impact of catalytic converter life span, not that it would simply damage it outright. Just 'foul' it more quickly.
Let me state something so everyone here at BITOG can understand. I am not going to use this oil period. I asked if it would harm a cat converter in a modern fuel injected vehicle and or a high mileage older truck or vehicle that is fuel injected. Sorry if some folks here associated this with me using this oil. Sorry about the wording errors also.
adam
I guess its safe to say if you had a older vehicle say a early 90's chevy p/u that is fuel injected and higher miles, you could use Rotella 10w30 T5 in it.
^Sure, no worries. If the cat goes, it wasn't far from happening anyway. JMO.
EDIT: I can also see how I was too loose in using your car as the example, but wanted to treat it as an 'if we used your car' scenario then 'here is what I would do'. 
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Originally Posted By: civic09
Again, I am NOT going to use this in a civic or my civic. Just curious if it would damage a cat converter. My car doesnt use oil or leak oil also. Artbuc, I have a education and I have respect for others. Some people cant spell well is what I was implying so dont go off telling me or anyone to get educated when you dont even know the person.
Have a nice life
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