Really stepped in it now

[IAM Rand]

So, while trolling the internet I saw that "people" recommend "Catch Cans" to help protect the engine and turbos. Great, I have a 3.5 Ecoboost and I want to protect it. I get one and put it on. Low and behold it works. I check it after a couple of weeks and there is oil in there. I am happy.

So then I do a little more looking around and see that Banks sells a muffler that will give me a little more power and better gas mileage. Who doesn't love more power and gas mileage. Bob's yer uncle, I get a Banks muffler and install it myself. I am just soooooo proud of myself for making my truck better......right?!?!

Now I am finding out that I most likely have voided any warranty that I had. I am almost at 60K so no biggie on that but, I went for the extended warranty. Now I am not feeling so good. What the heck have I done. You try to make things better and you end up screwing them up. I am just trying to protect my investment and now it could be screwing it up. My buddy is a car guy and he is telling me that the back pressure that I thought was soooooo bad actually helps the turbos. Sometimes I miss a good V8 and I am not talking the juice.

 

[NYlakesider]

Read up on The Magnuson-Moss Warranty Act. It tells you what your rights are, what the manufacture rights are and more importunately what they are not.

As A Corvette guy I did plenty to my Vettes and other rides andstayed for the most part protected by my rights.

Depending on what you do you MIGHT lose protection on some things. Repeat MIGHT it depends on what it does to the vechicle.

We put on cat back exhausts, changed wheels,&tires changed breaks and as long as it does not degrade OEM performance standards your good to go. Add to that you only lose warring protection to affected areas. Example you put in a Computer chip for more power the radio gives out it is protected under warranty.

Course its in the dealers mindset to feed you a lot of BS on this subject read up on M-M and know what your talking about!

 

[ladder13]

Read up on The Magnuson-Moss Warranty Act. It tells you what your rights are, what the manufacture rights are and more importunately what they are not.

As A Corvette guy I did plenty to my Vettes and other rides andstayed for the most part protected by my rights.

Depending on what you do you MIGHT lose protection on some things. Repeat MIGHT it depends on what it does to the vechicle.

We put on cat back exhausts, changed wheels,&tires changed breaks and as long as it does not degrade OEM performance standards your good to go. Add to that you only lose warring protection to affected areas. Example you put in a Computer chip for more power the radio gives out it is protected under warranty.

Course its in the dealers mindset to feed you a lot of BS on this subject read up on M-M and know what your talking about!

This^^^^^^ if you put in bigger rotors and pads and you engine explodes it will be covered.
You can work on your car or have an independent shop do any work, just keep receipts. AND, stay within the manufacturer’s guidelines for maintenance.

 

[Chuck24]

Read up on The Magnuson-Moss Warranty Act. It tells you what your rights are, what the manufacture rights are and more importunately what they are not.

As A Corvette guy I did plenty to my Vettes and other rides andstayed for the most part protected by my rights.

Depending on what you do you MIGHT lose protection on some things. Repeat MIGHT it depends on what it does to the vechicle.

We put on cat back exhausts, changed wheels,&tires changed breaks and as long as it does not degrade OEM performance standards your good to go. Add to that you only lose warring protection to affected areas. Example you put in a Computer chip for more power the radio gives out it is protected under warranty.

Course its in the dealers mindset to feed you a lot of BS on this subject read up on M-M and know what your talking about!

Breaks? Come on, from a car guy?

 

[NYlakesider]

Breaks? Come on, from a car guy?

Bad spell check, BAD I say, go to your room no dinner!

 

[rockquarry]

Whether it's cars, guns, or something else there is at least as much bad information on the Internet as there is good. Far too many self-proclaimed experts and and amateur tinkerers who are without credentials for a good reason.

Seldom does it hurt to leave things just as they came from the factory and ignore the YouTube maestros.

 

[IAM Rand]

Seldom does it hurt to leave things just as they came from the factory and ignore the YouTube maestros.

My problem was I put a cattle puncher on the front and the added weight and poor aerodynamics took a little gas mileage way. I could get anywhere from 22-25 on the highway depending on how I/my wife the lead foot would drive. I just wanted to get a little of that back and extend the life of the turbos. Based upon what my friend said, backpressure helps the turbos and by taking that away with a new muffle, that may affect them negatively in the long run.

 

[delcrossv]

Trying to make old parts go fast is about as hard as making fast parts get old.

 

[LVSteve]

Then take off the brush guard and the fancy exhaust. Problem solved.

 

[SMSgt]

Welcome to the world of spending $100 to save $10.

 

[Oldengineer]

Reduced exhaust back pressure is a turbochargers friend. I pioneered turbochargers at Ford Motor Company in the early 80’s. Google “Turbocharging the Ford 2.3L OHC”. You will find an SAE paper I published. The key to long life is synthetic engine oil that resists center section coking and subsequent bearing failure.


Tom H.

 

[taz666]

My problem was I put a cattle puncher on the front and the added weight and poor aerodynamics took a little gas mileage way. I could get anywhere from 22-25 on the highway depending on how I/my wife the lead foot would drive. I just wanted to get a little of that back and extend the life of the turbos. Based upon what my friend said, backpressure helps the turbos and by taking that away with a new muffle, that may affect them negatively in the long run.

Turbos and back pressure ... if you want/need the turbo to spool up quicker a restrictive exhaust is better (more back pressure).
If you're looking for ultimate top end power then less back pressure is king (bigger exhaust piping immediately behind the turbo).

 

[IAM Rand]

The key to long life is synthetic engine oil that resists center section coking and subsequent bearing failure. Tom H.

What oil would you recommend?

 

[Mike SC Hunter]

I don't know what he uses.........I use Mobil-1+

 

[TX-Dennis]

What oil would you recommend?

Brand is basically irrelevant - as long as it meets or exceeds the manufacturer's spec.

 

[taz666]

Agreed ... even Walmart's SuperTech synthetic is OK.

 

[Oldengineer]

The job of the turbo is increased engine airflow —— power is proportional to airflow, assuming that you put fuel with it. The turbo compressor is more efficient with less exhaust back pressure. Regarding engine oil choice, I have been out of the business for almost two decades. My knowledge is obsolete; however, as a base engine engineer, I ran a bearing wear study and Mobil 1 came out on top (wide open throttle, 50 hours at peak torque, 50 hours at peak horsepower on electric dynamometer). Keeping a turbocharged engine in top shape is generally about keeping the engine fluids fresh. The coolant is often overlooked. I believe that the early adopters of direct fuel injection failed to recognize the cleaning effect of port injection. The valves got washed with gasoline, removing any oil residue. I believe the fix was having both direct and port injection on the same engine. Using less than 87 octane pump gasoline will generally reduce spark advance, which will reduce power and generate more heat from the late ignition timing. I don’t recommend less than 87 octane fuel, especially if you are towing, etc.


Tom H.

 

[45Smashemflat]

Not arguing, trying to learn…

It seems to me given a high back pressure exhaust vs a low back pressure exhaust downstream of the turbo, the low pressure path will give a higher pressure difference across the turbo (assuming no changes to upstream stuff.). Higher pressure differential allows the turbo to do more work.

What am I missing?

In other words, for power, low back pressure is better. I’m not commenting on longevity, warranty, etc.

 

[chief38]

Anything after market done to a vehicle's drive train, cooling system, computer system or exhaust system under the warranty period will void it. Personally any mod's you might do should either be done after the warranty period or easily reversible without detection to keep said warranty in force. Anything you do after the warranty period - you are on your own anyway.

 

[IAM Rand]

Well I am already at 60K but I did buy the extended warranty. I guess my other concern is do I need to get a new tune for the muffler? My buddy is telling me that with the change in the back pressure the turbo blow off valve may have issues. This is all so stupid. These auto manufactures protect their profits which I can understand but I also think that they do this even though the damage was a defect on their stuff. Can't win!!!