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#3396464 - 06/13/14 10:49 AM Re: In tank additives for DI [Re: nicholas]
waltywalt Offline


Registered: 02/10/14
Posts: 308
Loc: ny
Okay maybe im being a little grandpa ish with the car. While were on the subject since I have only three top tier gas stations near me I wonder which one would work better with tectron when I fill it up. Shell, mobil, exxon. What is nitrogen enriched anyways shell. Is it just pea. Also I know the terminal were every gas station around hear get there gas from. Its mobil gas. I know this because my brother hauls fuel. Im sure the additives are different from say mobil and shell but I was just wondering if it would be better to use the tectron stuff with say exxon instead of shell or viceversa.

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#3396647 - 06/13/14 02:23 PM Re: In tank additives for DI [Re: nicholas]
raytseng Offline


Registered: 12/11/08
Posts: 1823
Loc: CA
The irony is that not stressing the car is actually damaging your car right now versus the hypothetical damage from stressing the car. And not just in theory, since you've reported knocking and pinging.
You can imagine even if you don't have knock, you are close to it and the knock sensors are kicking in, which must mean that at least a couple knocks happened before the sensors changed things up.

It's like in the movies where a guy won't talk because he's afraid of what his boss will do; and the hero says "your boss?, you should be afraid of me!"

If you didn't know, that's fine; but now that you're informed by your mechanic, perhaps you can imagine black crusty soot and carbon crud growing on your valves and you need to flush it out, versus the engine shaking itself to bits and you'll be more OK with it.

Also, maybe try redline or other products too. For me, even though redline is more expensive; I've found that I can use 25% or 50% of a bottle over 20gallons with similar result, so that lowers cost (premeasure it into a 2nd bottle first).
Longer more frequent treatments at lower doses might work better for your then the one time treatments.


Edited by raytseng (06/13/14 02:25 PM)

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#3399330 - 06/16/14 09:28 PM Re: In tank additives for DI [Re: nicholas]
minis Offline


Registered: 12/02/12
Posts: 39
Loc: texas
why add additives to the fuel to reduce the carbon deposits on the valves just
as an oil catch can. This way most of the oil is captured in the catch can and not
coating the intake and valves.

i have one installed on my 2013 Honda Insight and i capture 1 to 2oz per oil change.
it was installed at 100 miles on the clock.

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#3399350 - 06/16/14 10:05 PM Re: In tank additives for DI [Re: minis]
badtlc Offline


Registered: 06/08/06
Posts: 5036
Loc: KC
Originally Posted By: minis
why add additives to the fuel to reduce the carbon deposits on the valves just
as an oil catch can. This way most of the oil is captured in the catch can and not
coating the intake and valves.

i have one installed on my 2013 Honda Insight and i capture 1 to 2oz per oil change.
it was installed at 100 miles on the clock.


Catch cans don't prevent intake valve deposits on DI engines. You can find many folks on Audi, BMW, and mini forums with photos of gunked up valves despite using catch cans. They don't even slow the process down.
_________________________
2007 Ford Escape XLS 2.3L ATX, Trop Artic 5W30, Fram OCOD, 145k+
2015 Chrysler T&C, 55k+

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#3399367 - 06/16/14 10:24 PM Re: In tank additives for DI [Re: nicholas]
surfstar Offline


Registered: 09/16/04
Posts: 5844
Loc: Santa Barbara, CA
I've always wondered if LubeControl's LC20 and FP+, if used since new, would prevent deposits on DI problem engines.


Just wondered, that's all.

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#3399519 - 06/17/14 06:40 AM Re: In tank additives for DI [Re: badtlc]
dave5358 Offline


Registered: 04/25/13
Posts: 669
Loc: North Bend
Originally Posted By: badtlc
Catch cans don't prevent intake valve deposits on DI engines. You can find many folks on Audi, BMW, and mini forums with photos of gunked up valves despite using catch cans. They don't even slow the process down.

If the catch can is working at all, at the very least it should slow the process. How bad would their valves be if they did not have the catch can?
_________________________
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2008 Corolla LE

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#3400699 - 06/18/14 03:27 PM Re: In tank additives for DI [Re: dave5358]
badtlc Offline


Registered: 06/08/06
Posts: 5036
Loc: KC
Originally Posted By: dave5358
Originally Posted By: badtlc
Catch cans don't prevent intake valve deposits on DI engines. You can find many folks on Audi, BMW, and mini forums with photos of gunked up valves despite using catch cans. They don't even slow the process down.

If the catch can is working at all, at the very least it should slow the process. How bad would their valves be if they did not have the catch can?


couldn't be any worse. They were still terrible in short amount of miles even using water/meth injection WITH a catch can.
_________________________
2007 Ford Escape XLS 2.3L ATX, Trop Artic 5W30, Fram OCOD, 145k+
2015 Chrysler T&C, 55k+

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