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Gas Treatment

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#1
Hey All,
Is it ok to use additives to the fuel for cleaning injectors in these STs? I was looking at STP Gas treatment but open to corrective insight.
Thanks!
 

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#2
I don't think an occasional in-the-tank cleaner will do you any harm. That said, Top Tier fuels (not to be confused with octane rating) contain all the cleaners you should need. Chevron, for instance, the brand behind Techron, includes it in their fuel. Others use a generic version or its equivalent. Buy a Top Tier fuel and you should be good to go. There are a lot of good videos on this. This is a simple one.

https://youtube.com/shorts/Uj4bsnDbcuY?si=9wIi3ZttAedvMLAG
 

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#3
Hey All,
Is it ok to use additives to the fuel for cleaning injectors in these STs? I was looking at STP Gas treatment but open to corrective insight.
Thanks!
Won’t hurt anything, but won’t help anything either as long as your using Top Tier fuel.
 

OP
Suprawill1
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Thread Starter #4
Thanks for the hits peeps! I had been using Crown because of its competitive pricing but I know it's not a top tier fuel. That's why I was looking at an additive. It's cheaper than Shell and other top tiers, to use a less expensive fuel and add the detergent.
I will however, consider Costco and check their prices.
I've seen Shell dispense at almost dollar more per gallon than what I'm purchasing. Even with the Giant points discount, it is still ridiculously more expensive.
 

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#5
Thanks for the hits peeps! I had been using Crown because of its competitive pricing but I know it's not a top tier fuel. That's why I was looking at an additive. It's cheaper than Shell and other top tiers, to use a less expensive fuel and add the detergent.
I will however, consider Costco and check their prices.
I've seen Shell dispense at almost dollar more per gallon than what I'm purchasing. Even with the Giant points discount, it is still ridiculously more expensive.
Costco gas around my area is about the same as cheap gas around me. An additive every once in a while with cheap fuel isn’t going to be near as good as Top Tier fuel.
 

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#6
You all realize that nearly all gasoline is made and comes from the same refineries right. Its not uncommon for a Mobil, BP, Sunoco, etc. trucks to be pulling up and filling from the same supply refineries. Now each company may add their own snake oil additived to the original blend but its all pretty much the same. If anyone is getting "bad" fuel then a lot of that may be from the facility despensing it (IE- The Gas Station Itself). A run down looking gas station might want to be avoided.
 

UNBROKEN

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#7
You all realize that nearly all gasoline is made and comes from the same refineries right. Its not uncommon for a Mobil, BP, Sunoco, etc. trucks to be pulling up and filling from the same supply refineries. Now each company may add their own snake oil additived to the original blend but its all pretty much the same. If anyone is getting "bad" fuel then a lot of that may be from the facility despensing it (IE- The Gas Station Itself). A run down looking gas station might want to be avoided.
And outside of loading racks at the refiner the bulk of it is shipped to storage terminals where gas from every refiner in the area is dumped into the same storage tanks. The additive package for a particular brand is blended at the loading rack, save for Costco who blends theirs on site during off loading.
Your Chevron gas may very well be ChevronExxonShellBPWhoever gas and you’ll never know.
 

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#8
It's all about the additive package, not the bulk fuel, that determines whether it is a Tier 1 fuel. Many additives are added as the truck is loaded, some of the independents do it on delivery site. Mind you, this isn't where the octane rating is determined. That happens during the cracking process.

It's also worthwhile to understand that not all Tier 1 fuels are created equal. The Tier 1 rating means the fuel meets a minimum high standard. Some brands, including Costco, go beyond that minimum requirement.
 

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OP
Suprawill1
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Thread Starter #9
Costco gas around my area is about the same as cheap gas around me. An additive every once in a while with cheap fuel isn’t going to be near as good as Top Tier fuel.
Yes and Costco is considered a top tier brand. Costco's Kirkland Signature gasoline contains five times the EPA detergent requirement in both regular and premium grades.
I'll be visiting them next stop.
 

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#10
The only downside I can see with Costco fuel is the waiting in line to get to the pump.
 

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#11
Yes and Costco is considered a top tier brand. Costco's Kirkland Signature gasoline contains five times the EPA detergent requirement in both regular and premium grades.
I'll be visiting them next stop.
Well damn.. I better not let my ST hear this news or it might not wanna drink any other fuel brand. SMH !!

I can't vouch for their fuel being any better than any other company's fuel but I will give Costco their props for makin a lot of good stuff. Their cakes, rotisserie chicken, etc. are damn good!
 

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Jeppo

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#12
Well damn.. I better not let my ST hear this news or it might not wanna drink any other fuel brand. SMH !!

I can't vouch for their fuel being any better than any other company's fuel but I will give Costco their props for makin a lot of good stuff. Their cakes, rotisserie chicken, etc. are damn good!
The hot dog!!!!
 

OP
Suprawill1
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Thread Starter #13
Well damn.. I better not let my ST hear this news or it might not wanna drink any other fuel brand. SMH !!

I can't vouch for their fuel being any better than any other company's fuel but I will give Costco their props for makin a lot of good stuff. Their cakes, rotisserie chicken, etc. are damn good!
Their rotisserie chicken is 25% larger than any of the grocery store's and half the price at $4.99!
Hoping my ST says the same about their gas!
 

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#14
I’ve seen the same truck (JP Noonan) delivering gasoline at both the Circle-K and the Mobil across the street. The Mobil station is almost a dollar more per gallon than the Circle-K. I assume most of the cost is marketing and some is for the additives but the gasoline comes from the same place.


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Suprawill1
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Thread Starter #15
Just filled up with Costco and it was slightly cheaper than any of the competitively priced stations. I have a new friend! ;)
 

Wohop

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#16
anyone seafoamed the top end yet or am I gonna be the test dummy in 10k miles or so?
 

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#17
anyone seafoamed the top end yet or am I gonna be the test dummy in 10k miles or so?
If you’re talking about adding it to the fuel tank, it won’t see the top end. It may clean the injectors, but as was mentioned, using quality fuels will do the same thing. Where our engines are DI fuel never sees the top end. If you’re talking about pulling the intake and using the spray to clean everything, I think you’d be wasting your time. It would be a lot of work for very little gain. Just my opinion.


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Cruising68

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#18
anyone seafoamed the top end yet or am I gonna be the test dummy in 10k miles or so?
Not seafoam but I run CRC GDI cleaner every 15-20k. Helps to keep the intake valves clean. I’ve seen lots of direct injection engines needing mechanical valve cleaning around 80-100k. I’m not really interested in blasting the intake with walnut shells if I can avoid it.


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#19
Not seafoam but I run CRC GDI cleaner every 15-20k. Helps to keep the intake valves clean. I’ve seen lots of direct injection engines needing mechanical valve cleaning around 80-100k. I’m not really interested in blasting the intake with walnut shells if I can avoid it.


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It never sees the valves. Fuel is injected directly into the combustion chamber. Hence the term, Direct Injection. The only thing the intake valves see are air and oil vapor. That’s why a lot of us run catch cans. You would need to spray the cleaner into the intake, but I don’t know how the turbos would like it. Unless you inject it into the cold pipe somehow.


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Cruising68

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#20
It never sees the valves. Fuel is injected directly into the combustion chamber. Hence the term, Direct Injection. The only thing the intake valves see are air and oil vapor. That’s why a lot of us run catch cans. You would need to spray the cleaner into the intake, but I don’t know how the turbos would like it. Unless you inject it into the cold pipe somehow.


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Not this product. It is sprayed into the intake and definitely hits the back of the intake valves. It was introduced specifically for direct injection engines so it does clean the intake valves. IIRC I use a grommet just before the throttle body.




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