Synthetic Oil

Oil of Choice

  • Castrol Syntec/Edge

    Votes: 254 8.4%
  • Royal Purple

    Votes: 344 11.4%
  • AMSOil

    Votes: 428 14.2%
  • Valvoline Synpower

    Votes: 174 5.8%
  • Mobil 1

    Votes: 1,077 35.7%
  • Other

    Votes: 737 24.5%

  • Total voters
    3,014

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Travis8352

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Bro in law bought new Chevy 2500 with 6.6L V8. It doesn't have a turbo or cylinder cutouts, but they did put single injector GDI on the damn thing. God, we just can't get away from these people.
That engine seems pretty solid. Forged crank and rods, no afm/dfm, thick high tension rings to
 

Burla

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I don't prefer the high pressure pumps on GDI, but reportedly there is a near zero lspi without the turbo from the paper I have read on it. No way around it moving forward, the wife's cross also di just no turbo. Most of these are now (dual direct injection) fuel system that combines both direct and port injection. So the port injection keeps the valves clean and no lspi is known from all the paper I have seen on GDI without turbo. I am getting 9mpg better then the rav 4 and I'm guessing this is a big reason why with the cvt. Something we will have to accept, and in fact is probably short lived as you know they want everything to have a turbo, so it is a good compromise imo.

Even single injector as long as no turbo I am guessing will have low risk on lspi, but that is just a guess.
 

HEMIMANN

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2017 2500 Laramie Crew Cab
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6.4L HEMI
That engine seems pretty solid. Forged crank and rods, no afm/dfm, thick high tension rings to

Yeah, but still sooty and fuel diluty. EPA will force a diaper on that one, too.

Single injector GDI is soooo stupid. One branch of EPA (CAFE fuel economy) slapping another (exhaust emissions), then back and forth they go like the 3 stooges while we the public suffer from this. Tail wags dog.
 

Yardbird

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DI will always crud up the intake and valves, single or dual injection. The "I DO CARS" guy has torn too many down, even low mileage ones, to prove that point.

The dual injection engines will be some cleaner, but nothing like port only injection. DI still has a tendency to cake up the oil control ring just because of the high compression and associated blowby.

I will own a DI engine when I absolutely can't find anything else to buy.

We drove my wife's 2013 Ford Edge 3.5 to Asheville and back today. It had a 6 speed auto with a "sport" mode, meaning, you select a gear, and it stays in that gear until slowing down to 1000 RPM or you shift it up or down manually.

It climbed Black Mountain like a champ.

Unlike my 8 speed, it will not downshift (unless you select a lower gear) no matter how much throttle you give it. I like that.

I haven't driven it in a while, and forgot how well it runs for a 13 model year old car with only 67k miles on it.

While driving it I was thinking how I hope it last for many more years so we don't have to buy any of this new over engineered stuff.
 

HEMIMANN

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2017 2500 Laramie Crew Cab
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6.4L HEMI
I don't prefer the high pressure pumps on GDI, but reportedly there is a near zero lspi without the turbo from the paper I have read on it. No way around it moving forward, the wife's cross also di just no turbo. Most of these are now (dual direct injection) fuel system that combines both direct and port injection. So the port injection keeps the valves clean and no lspi is known from all the paper I have seen on GDI without turbo. I am getting 9mpg better then the rav 4 and I'm guessing this is a big reason why with the cvt. Something we will have to accept, and in fact is probably short lived as you know they want everything to have a turbo, so it is a good compromise imo.

Even single injector as long as no turbo I am guessing will have low risk on lspi, but that is just a guess.

Yep. But you still get sooty and fuel diluted oil, along with coked up intake valve stems. AFAIK, Mazda was the only engine with inboard breather oil coalescer. So you add an external one (catch can) or spray CRC IVC once a year.
 

Burla

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true, but my only defense I was I didn't buy it the wife did, and it took all I could to get her off her di turbo choices. I'm guessing Toyota with be done as right as possible with this isht. I take my wins and losses like a man :)
 

HEMIMANN

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DI will always crud up the intake and valves, single or dual injection. The "I DO CARS" guy has torn too many down, even low mileage ones, to prove that point.

The dual injection engines will be some cleaner, but nothing like port only injection. DI still has a tendency to cake up the oil control ring just because of the high compression and associated blowby.

I will own a DI engine when I absolutely can't find anything else to buy.

We drove my wife's 2013 Ford Edge 3.5 to Asheville and back today. It had a 6 speed auto with a "sport" mode, meaning, you select a gear, and it stays in that gear until slowing down to 1000 RPM or you shift it up or down manually.

It climbed Black Mountain like a champ.

Unlike my 8 speed, it will not downshift (unless you select a lower gear) no matter how much throttle you give it. I like that.

I haven't driven it in a while, and forgot how well it runs for a 13 model year old car with only 67k miles on it.

While driving it I was thinking how I hope it last for many more years so we don't have to buy any of this new over engineered stuff.

That's cause the dummies won't put breather coalescers on them when they should be standard! Exhaust diapers are coming, too.
What an afterthought kluge of an engine architecture.
 

Burla

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This cr@p is a commercial for si-1 if you know what's good for you. Find something better with proof let me know, till then before every oci it is going in at a treat rate 1 bottle per tank, the cross is small tank so should be good.
 

Yardbird

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That's cause the dummies won't put breather coalescers on them when they should be standard! Exhaust diapers are coming, too.
What an afterthought kluge of an engine architecture.

I'm still trying to figure out why, with everything we know now, they are going all in on DI. Is it because they have spent so much money and time they refuse to admit they screwed up?

Look how many engines are repaired or replaced under warranty because of DI. I guess they know the ones that make it past warranty will go out well before 200k, likely 125k miles, so they can sell more cars later.

Yes, many owners will jump brands, but just as many will jump to them from the other brand.
 
Last edited:

Travis8352

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Yeah, but still sooty and fuel diluty. EPA will force a diaper on that one, too.

Single injector GDI is soooo stupid. One branch of EPA (CAFE fuel economy) slapping another (exhaust emissions), then back and forth they go like the 3 stooges while we the public suffer from this. Tail wags dog.
Oh i agree. That reason alone id rather a 6.4
 

Burla

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I'm still trying to figure out why, with everything we know now, they are going all in on DI. Is it because they have spent so much money and time they refuse to admit they screwed up?

Look how many engines are repaired or replaced under warranty because of DI. I guess they know the ones that make it past warranty will go out well before 200k, likely 125k miles, so they can sell more cars later.

Yes, many owners will jump brands, but just as many will jump to them from the other brand.
Jay Pan boss, just like Japan Shakken law not wanting people to drive more the 50k miles on any engine, America too seeing how successful that was wants our cars to have shorter lifespans. The number one economy in Japan = Auto industry, the number one economy of EU service industry, the number one economy of USA is health industry. EU and America Gov't want the people to have to buy cars as often as Jay f'n Pan. The gov't gets a huge pay day every car sold, nothing else like it. Our locality practically begged us to buy our vehicles at local dealers when they first built our auto row, why? They get up to about a grand every vehicle sold, probably more these days with value of vehicles now. That is just the city's cut, famously it is 10% of every car sold. You think your gov't wants you to drive one vehicle your entire life? Both auto industry and local gov't benefit from this debauchery.
 

HEMIMANN

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At least we didn't get the Honda CR-V or Chevy Equinox - both have 1.5L mouse engines with turbo GDI. The Mazda is 2.5L turbo GDI and gets up and goes. I'd wager they have those teeny 1.5L motors boosted so you risk LSPI every time you stomp on it.

When wife and son test drove these, they couldn't get up to speed merging into interstate traffic within the cities.

So we die from underpower getting wiped out by a semi, or from engine explosion. Pick your poison.
 

HEMIMANN

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This cr@p is a commercial for si-1 if you know what's good for you. Find something better with proof let me know, till then before every oci it is going in at a treat rate 1 bottle per tank, the cross is small tank so should be good.

That only takes care of the injector nozzle, not the intake valve stem. Gotta add a catch can and clean it out every once in a while with CRC intake cleaner.
 

Burla

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At least we didn't get the Honda CR-V or Chevy Equinox - both have 1.5L mouse engines with turbo GDI. The Mazda is 2.5L turbo GDI and gets up and goes. I'd wager they have those teeny 1.5L motors boosted so you risk LSPI every time you stomp on it.

When wife and son test drove these, they couldn't get up to speed merging into interstate traffic within the cities.

So we die from underpower getting wiped out by a semi, or from engine explosion. Pick your poison.
And that proves it was never about mpg's as the rav 4 without the turbo gets better highway mpg then it's lighter crv with turbo. How is that even possible? Plus no reason to hang a diaper on the non turbo. This stuff is so sick we should lock the entire system up behind bars.
 

Burla

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Today Trump set back CAFE standards with like zero information because he thinks we are stupid. Yeah the ceo's are clapping like Ford's CEO, says this is great and will make cars with common sense. OK isht bag, I only have one question, you taking the diaper off the Ford Maverick and putting in a low displacement engine or are you leaving the di turbo on it? This move will accomplish nothing?? He already set the CAFE fines to zero, so they already have license to build the cars we want. And they have not done so, in fact the opposite is happening unless you prefer adding HP only to take it away with a diaper and live with impossible to fix trucks. Anyone seeing any signs these scam di turbo engines going away, or at least having options? I would say hemi Rams would count, but for them hanging a e torque which is worse then the diapers.
 
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