Does a (PEA) Fuel System Cleaner exist you can use EVERY Gas fill?

Joined
May 16, 2022
Messages
835
Anyone who grew up in the 70's or 80's will remember the inexpensive STP Gas treatment thats still made today with instructions that state
"Use regularly when you fill up your tank". I always had my doubt if gas treatments did anything except part me and my money.

Now we have the strong stuff with PEA based cleaners that I guess you can say are proven to work as we all have seen the Youtube videos showing carbon removal and better F.I. spray patterns. The instructions on all the PEA cleaners I have seen suggest use every 3K. 5K or even 10K.

Okay, if you are with me this far, I choose to use a Ethanol free 100% gas 93 octane in my motorcycles, toys, lawn mowers.
Its good running gas but no name and I would assume as far from Top Tier gas as one can get.

Also, in my area the once Top Tier stations have all recently changed branding and all gone no name budget gas...

I question IS a gas treatment available that would essentially "boost" the minimum required by law additives to something similar to Top Tier gas?

If not, I question the snake oil gods ( manufacture ) why not?

I'm not sure If true but I have seen it posted and suggested that gas companies or even the truck driver will blend the additives at the regional hub before delivery? If thats true, I should be able to buy something similar in a bottle from Walmart to boost my no name gas to a better grade but not something strong enough that I can't use it but once every 3K+ miles like ALL the PEA cleaners I have seen.

All I know is IF I could buy a bottle that the label said something like " Will Boost your gas cleaning power to that of top brands"
and then a "safe to use every fill up". I would buy a bottle every fill up!

So Chevron uses Techron in its pump gas that one can use every day but If I by a bottle of Techron I'm told...

Techron Complete Fuel System Cleaner is recommended for use every season (winter, fall, spring, summer) or right before an oil change with no more than two treatments between oil changes.

To me the idea to use a cleaner in every tank to keep things clean must be better than cleaning in one tank every oil change 3K -5K miles after things start to get dirty right?

Does a product exist that will actually clean or keep things clean like Top Tier gas claims but I can use in every tank of gas for every day driving?
 
Redline SI-1 used to have markings on the bottle for putting small amounts in each tankful. Now they recommend 1/2 bottle every 1500 miles. Can't think of any reason why you couldn't add a couple ozs. at every fill-up other than it could get tedious and you have to carry around the bottle all the time. I'm sure it's safe to do. I'm also pretty sure the big name additives/cleaners went to a one time treatment regimen for convenience and not that the cleaner is more concentrated or more powerful.
 
I question IS a gas treatment available that would essentially "boost" the minimum required by law additives to something similar to Top Tier gas?

If not, I question the snake oil gods ( manufacture ) why not?

I'm not sure If true but I have seen it posted and suggested that gas companies or even the truck driver will blend the additives at the regional hub before delivery? If thats true, I should be able to buy something similar in a bottle from Walmart to boost my no name gas to a better grade but not something strong enough that I can't use it but once every 3K+ miles like ALL the PEA cleaners I have seen.

To me the idea to use a cleaner in every tank to keep things clean must be better than cleaning in one tank every oil change 3K -5K miles after things start to get dirty right?

Does a product exist that will actually clean or keep things clean like Top Tier gas claims but I can use in every tank of gas for every day driving?
3 options I see here:
  1. You buy Top Tier gas for your motorcycles, toys, lawn mowers to get your desired amount of additives
  2. You continue to buy non-TT gas for those gidgets and do what we call a maintenance dose of Techron/SI-1/BG44K/B12/Valvoline Restore and Protect FSC
    1. to do this just add a smidge (a cap or two's worth) every time you fill up
  3. If you want the cozy feeling of adding something manually to your tank, keep a bottle of premium gasoline to dose your tank with.
Reason there's not a product on the market to add every time you fill, is that there's the market isn't full of nervous BITOGgers who want every crevice of their engine polished/varnishless/sludgeless and will go out of their way to buy this additive as frequently as they pick up their prescriptions.

If there was a population who would add a bottle to their tank every fillup, you could be **** sure they'd price it exactly like Techron or SI-1 from the get-go and there would be vending machines for it next to the pumps. Oh wait, they already put <this thing> in the gas at the distributor...

TLDR: Top-Tier gas is intended to clean like Top-Tier gas.
 
(Ah, yes, this here oil is made to lubricate, this wheel was made to spin, these wipers exist to wipe, and this turn signal was made to signal that I'm turning)
 
My coworker has run Redline S1 in almost every single tank of gas for years and nothing bad ever happened. Before he used the Redline he used Techron and before they Lucas. He’s done this the entire time he’s has his car (like 10 years). I told him it’s probably not a great idea but he’s convinced that it helps his MPG and keeps everything clean. He also uses quality gas.


Would I do it? No. Does it matter? Obviously not haha.
 
When I used to live in WA, Cenex sold 92 ethanol free top-tier gas.

I'd been sticking to a bottle of Redline SI-1 around per OCI since any more seems like a waste of money.

I got a new 25 MX-5, been using TT gas since I drove it off the lot. Planning on using Redline SI-1 before my first OCI.
 
RedLine SI - 1 use to say 4.45 mL per gallon for maintance. When they dropped that from the bottle I phoned them and asked if is still the recommended maintance dose. He said yes it is. I have been doing that for 6 years and 26,000 miles now on my CR-V. + a few full bottle doses along the way timed to use up the entire fuel tank just before an oil and filter changes.

I carry a plastic translucent white 100 ml graduated cylinder, I bought from McMaster Carr online. Store it upside down so the moisture it accumulates falls into a plastic bag. SI - 1 pulls moisture right out of the air. Use multiple plastic bags, over time it degrades the plastic bags and they leak, so replace the one or two closest to the upside down cylinder once in a while. Usd the trip B odometer to track tank miles and mpg and calculate gallons required to fill, multiply by 4.45 and measure that amount and put in the tank before each fill.

Wear disposable gloves. SI -1 is a very messy oil.

Amazon sells RedLine SI -1 in multi packs at the best prices.

Btw, the recent order that I placed on Amazon on Feb. 20, 2026 with the seller R/A Hoerr inc. for 4 bottles of RedLine SI -1 for $50.22 + 3.01 tax = $ 53.22 total, still has not shown up, so yesterday Mar. 9, 2926 I phoned Amazon and got a refund started. I have been buying 4 packs for a long time from Amazon for 6 years and this is the first time it never showed up.

I might have to buy more than 4 at a time from a different seller to get a good deal on Amazon per bottle price now days. Once the refund clears, I'll buy some multi-pack.
 
Last edited:
Does anyone know of anyone who used too much PEA cleaner, too often, and damaged something from it? I put this into the same category as shooting 5.56 MM in a .223 chamber. Everyone parrots not to do it. But no one can point to a gun or a shooter that was damaged from doing it.
 
RedLine SI - 1 use to say 4.45 mL per gallon for maintance. When they dropped that from the bottle I phoned them and asked if is still the recommended maintance dose. He said yes it is. I have been doing that for 6 years and 26,000 miles now on my CR-V. + a few full bottle doses along the way timed to use up the entire fuel tank just before an oil and filter changes.

I carry a plastic translucent white 100 ml graduated cylinder, I bought from McMaster Carr online. Store it upside down so the moisture it accumulates falls into a plastic bag. Usd the trip B odometer to track tank miles and mpg and calculate gallons required to fill, multiply by 4.45 and measure that amount and put in the tank before each fill.

Wear disposable gloves. SI -1 is a very messy oil.

Amazon sells RedLine SI -1 in multi packs at the best prices.
Makes me wonder WHY RedLine would drop it from the bottle but still recommend maintenance dose when one calls? liability reasons ? wonder? RedLine also makes the smaller bottle one dose Motorcycle ATV version SL-1 and I purchased one and now can't find it so purchased the normal size bigger bottle AND a $2 Pyrex measuring cup so I could remove 4.5 OZ for my 6 gallon Harley gas tank.

I have noticed as example my Sta-bil instructions I will see printed " overdosing does not cause harm" but you sure don't see that with a PEA cleaner.

That YouTube guy who dumped a gallon of Marvel mystery Oil in his car should dump a gallon of Redline in his car and give us a report.
or that YouTuber who does lots of test using lawn mower engines? We need to see some of these guys trying to harm an engine via PEA... Even my Marvel Mystery oil has markings on the bottle, Oz lines on the bottle would have helped me with my motorcycle RedLine dosing...

I do have a question to ponder... My Harley has a 6 gallon gas tank but my sons Honda accord has a 17.2 gallon tank. The Redline says use 1 bottle per gas tank up to 20 gallons. I didn't take that as dump a bottle in a motorcycle small tank so I treated both the accord and the Harley/ The accord got a full bottle of Redline mixed with a full tank of gas 17.2 gallons.

So I did the math and used a little over 4.5 OZ of Redline for my 6 gallon Harley tank and I simply used 1 bottle of Redline for the Honda accord.
So I will run the accord till the low fuel light comes on and RedLine it again in 5K more miles...
But what about the 6 gallon Harley? Run the 6 gallons and do it again in 3K to 5K miles or run 2 treated tanks NOW ( 12 gallons total ) or run even three tanks in a row NOW so a total of 18 gallons of RedLine treated gas gets ran through the Harley?


So will my Harley fuel system be cleaned running just 6 gallons of Redline treaded gas or do I fill 2 tanks or 3 as that would be 12 gallons 18 gallons of treaded gas
 
I'm surprised nobody has yet to mention Amsoil Upper Cylinder Lubricant or similar products by other companies. It contains a lower/maintenance dose of PEA as in their P.I. (or Redline SL-1), some detergents, fuel stabilizers, and other stuff (snake oil?). If you're an Amsoil preferred customer (or tight with @Pablo), each bottle is just over $4, which is about half the difference in price between filling up with 87 octane Shell and Shell V-Power Nitro+ premium.

I have more than two cases "in stock", as I was going to quit using Shell premium, but the Pilot seems to thrive on using Shell premium, even though the owner's manual says to use 87 octane, Top Tier gas. My last experience using only 87 octane for an OCI, the filter had a lot of carbon deposits. Most all gas for that OCI was purchased at Quik Trip, which is Top Tier certified. Using Shell premium the last OCI, there wasn't much carbon deposits in the filter. I'm struggling over whether to run a full OCI of Shell 87 octane and Amsoil Upper Cylinder Lubricant, but don't want to take a step backwards from carbon deposits' control gained by using Shell premium.

For me, the questions are: Which is a better long-term strategy, stick to using Shell premium alone each fill-up and a bottle of fuel system cleaner (Valvoline Restore and Protect!) before changing the oil at the end of an OCI Or drop back to using 87 octane (except sticking with Shell) and adding a bottle of Amsoil Upper Cylinder Lubricant in each tank?
 
Does anyone know of anyone who used too much PEA cleaner, too often, and damaged something from it? I put this into the same category as shooting 5.56 MM in a .223 chamber. Everyone parrots not to do it. But no one can point to a gun or a shooter that was damaged from doing it.
On the flip side - when those selling it for a profit don’t peddle it for nonstop use ? Who knows ?
 
Back
Top Bottom