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  • Red Line (60103) Complete SI-1 Fuel System Cleaner - 15 Ounce
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Red Line (60103) Complete SI-1 Fuel System Cleaner - 15 Ounce

353 customer reviews
| 37 answered questions

List Price: $104.28
Price: $11.67 & FREE Shipping on orders over $35. Details
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15 Ounce
  • Cleans to nearly 100 percent efficiency in one treatment
  • Reduces need for octane by up to two points
  • Contains synthetic upper cylinder lubricant
  • Safe for continual use
  • Use one bottle per tank for most effective treatment of neglected vehicle
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Frequently Bought Together

Red Line (60103) Complete SI-1 Fuel System Cleaner - 15 Ounce + Hopkins FloTool 10701 Spill Saver Multi-Purpose Funnel + Sea Foam SF-16 Motor Treatment - 16 oz.
Price for all three: $28.26

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Product Information

Size: 15 Ounce
Technical Details
BrandRed Line Oil
Item Weight15.2 ounces
Product Dimensions2.8 x 2.8 x 9.5 inches
Item model number60103
Exterior Smooth
Manufacturer Part Number60103
OEM Part Number 60103
Vehicle Service Type all-terrain-vehicles, utility-vehicles, street-sport-motorcycles, off-road-motorcycles, street-cruiser-motorcycles, street-touring-motorcycles, street-motor-scooters, snowmobiles, marine-personal-craft
  
Additional Information
ASINB000CPI5Z0
Best Sellers Rank #121 in Automotive (See top 100)
Shipping Weight15.2 ounces (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableJuly 3, 2009
  
Warranty & Support
Warranty, Parts: Parts
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Product Description

Size: 15 Ounce

Concentrated, detergent-based fuel additive cleans injectors, carburetors, valves and combustion chamber deposits with a concentrated blend of the most powerful high-temp and low-temp detergents available.

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

375 of 397 people found the following review helpful By Glenn Carpenter on July 5, 2009
Size: 15 Ounce
Short version:

Among all fuel system cleaners I'm aware of, Redline SI-1 contains the highest quantity per dollar (based on manufacturer MSDS) of the critical fuel-system-cleaning compounds known as polyether amines (PEA). Primarily for this reason I believe SI-1 to be the best available and most cost-effective fuel system cleaner product at retail pricing. [...].

In my case it has not been necessary to use Redline's recommended quantity of approximately 3 oz per fill-up. The effects of 1 oz per fill-up are indistinguishable in terms of tested results (see my basis for this statement below). This results in an approximate cost of $0.35/tank or less than a tenth of a penny per mile. A full case at this usage rate is enough to treat 180 full tanks of fuel or to last approximately 80,000 miles. (Figures based 15gal/tank, 25-35mpg).

Long version:

As far as I know, every effective fuel system cleaner on the market uses a class of compounds known as polyether amines (PEA), in varying proportions, to effectively clean deposits from fuel system components, and particularly from fuel injectors, which can quickly impact engine efficiency and performance when not operating correctly. My understanding is that these compounds were first developed by Chevron and sold under the Techron name, and have since been made available to other blenders of fuel treatment products. Until recently BG 44K, Chevron Techron Concentrate, Gumout Regane Fuel System Cleaner, Amsoil P.I. Performance Improver Concentrate, and Redline SI-1 (among others) listed polyether amines on their Material Safety Data Sheets (MSDS) in proportions varying from approximately 25% to 50%.
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67 of 71 people found the following review helpful By C. Perluss on March 18, 2010
Size: 15 Ounce Verified Purchase
My '06 Civic SI has about 40,000 miles on it. It had been getting around 22 mpg (mostly city driving) but even with long distance freeway driving (around 75mph) I'd only get about 23 mpg. I usually use Chevron or Shell gas. I also have used Techron fuel cleaner in the past with no results.

So I used Red Line SI-1 a few tanks ago, and my gas mileage has increased to about 26 mpg for my last few tanks. Right now I'm at 318 miles on one tank of gas, and i have one bar left on my fuel gauge (it's digital). Prior to the Red Line the best I'd ever gotten was 312 on one tank of gas, and that was after driving the ENTIRE tank on the freeway, and driving 10 miles with no bars left on the fuel gauge. Typically I would get 250-270 miles on one tank.

I'm stoked!

I will admit that using this stuff ain't going to do anything to help you if your injectors aren't clogged... but if you suspect they are, this is the fuel cleaner to get!
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64 of 69 people found the following review helpful By Glenn Carpenter on January 6, 2009
Size: 15 Ounce, (Pack of 12) Verified Purchase
Short version:

Among all fuel system cleaners I'm aware of, Redline SI-1 contains the highest quantity per dollar (based on manufacturer MSDS) of the critical fuel-system-cleaning compounds known as polyether amines (PEA). Primarily for this reason I believe SI-1 to be the best available and most cost-effective fuel system cleaner product at retail pricing. At the current price per bottle when bought by the case right here on Amazon ($5.30) it is a bargain (12/15/09 edit: the price here has almost doubled since I wrote this and it is now, unfortunately, far from a bargain).

In my case it has not been necessary to use Redline's recommended quantity of approximately 3 oz per fill-up. The effects of 1 oz per fill-up are indistinguishable in terms of tested results (see my basis for this statement below). This results in an approximate cost of $0.35/tank or less than a tenth of a penny per mile. A full case at this usage rate is enough to treat 180 full tanks of fuel or to last approximately 80,000 miles. (Figures based 15gal/tank, 25-35mpg).

Long version:

As far as I know, every effective fuel system cleaner on the market uses a class of compounds known as polyether amines (PEA), in varying proportions, to effectively clean deposits from fuel system components, and particularly from fuel injectors, which can quickly impact engine efficiency and performance when not operating correctly. My understanding is that these compounds were first developed by Chevron and sold under the Techron name, and have since been made available to other blenders of fuel treatment products. Until recently BG 44K, Chevron Techron Concentrate, Gumout Regane Fuel System Cleaner, Amsoil P.I.
Read more ›
7 Comments Was this review helpful to you? Yes No Sending feedback...
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86 of 96 people found the following review helpful By Joseph Corbisiero on August 18, 2013
Size: 15 Ounce Verified Purchase
I have had several cars and I have come upon Redline's reputation as perhaps THE premier maker of synthetic lubes; (*cue: AMSOIL trolls, chime in now.) After doing a lot of extensive reading about motor oil on Bob Is The Oil Guy (Google it,) I became convinced that Redline was perhaps THE best oil; and while there is no "best oil," If I was going to spend big money on oil or simply wanted the best, I would choose Redline for its proven reputation with its oils, AND HAVE REMAINED SO EVEN WITH SLIGHT FORMULATION CHANGES (Read up on API SN and how it differs from API SM and API SL, etc, there is less of what was known to be the good stuff and it has been replaced with new good stuff, /endrant) - Or, perhaps, Royal Purple for a high performance, specialty oil. Honorable mentions to Mobil 1 and Pennzoil for ultra good oils as well (do you see what I did there?) On the fence about many others; nothing "wrong" with them, but why buy Castrol...

That said, this review is not about motor oil. It is about fuel system treatment. And Redline SI-1 specifically, at that!

Now let me tell you why I like this Redline product...

Firstly: PEA. I forget what PEA stands for, but, as far as I know, it is about the ONLY chemical or ingredient in a fuel system cleaner or injector cleaner - four categories? Well, if it goes in the fuel, then it goes where the fuel goes... So get the strongest one....... - that ACTUALLY CLEANS. Let us make a list of those that are a SHAM, and really DONT have ANYTHING of VALUE in them:

- STP
- Slick 50, OLD AND NEW formula..
- Lucas (there, I said it. I have some experiences as well as research with products from this company, not relevant to this review.)
- Prestone
- Pro-Long
- SEAFOAM (!!!)
- "Most of the shelf"..
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Red Line (60103) Complete SI-1 Fuel System Cleaner - 15 Ounce
This item: Red Line (60103) Complete SI-1 Fuel System Cleaner - 15 Ounce
Price: $11.67
Ships from and sold by Amazon.com