Trucks & Trailers - Using 'marine' ethanol treatment in truck

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02-23-2012, 09:07 PM
I recently purchased a second truck that I use primarily on the weekends. It does not got used often, so my guess is that I should worry about ethanol in the gas. I try to keep it topped off. Is ethanol an issue if I am only going through about 5 gallons per week in a 35 gal. tank? If ethanol is an issue, is it alright to use Sta-Bil "marine" ethanol treatment? Aside from it being more expensive, can this do any harm to the truck?

Also, I replaced the fuel lines in the boat to be ethanol-friendly. Should I worry about this in the truck as well? My guess is no, but there are many of you with more experience than myself on these issues. Thank you for your time and any suggestions!

02-24-2012, 02:56 AM
Unless the truck is more than 20 years old or has fuel system issues, I wouldn't worry about the ethanol.

02-24-2012, 06:24 AM
DON"T DO IT !!!!!
I had to run so many tanks of gas through my jeep befor it stoped spitting and sputtering.It took months !! The marine stabil has oil in with it .

02-24-2012, 06:49 AM
I've been using marine Stable in my car when I store it for 3 months each summer. Been doing it for the past 3 years without a problem. It starts right up and runs fine every time. I used the marine stuff simply because I have it around for the boats.

StaBil contains petroleum distillates, not "oil". The same compound are already found in gasoline. The anti-oxidants and detergents are the same things already added to pump fuel in lower concentrations.

I also use marine StaBil in my lawn mower and chain saw fuel all year long. Great stuff. It contains the same things as regular red StaBil except at higher concentrations so that you don't need to add as much to large tanks such as those found in boats.

02-24-2012, 06:58 AM
Is it better to just not add anything? If it helps at all, I will keep on with it, but I don't want to create a problem that didn't exist before.

02-24-2012, 08:03 AM
Differences between Regular and Marine?

Safe to use?

02-24-2012, 02:32 PM
Don't bother. I had a beater 1997 F-150 that I drove an average of ~200 miles a year. I filled it up maybe 8 times in a 5 year period during florida's switch from non-E to E10. No ethanol issues.

I know you are asking "Why?" - it was cheaper than a good trailer lock!

02-24-2012, 04:30 PM
Try a can of seafoam auto parts stores cary works on my boat and trucks and car and harley stuff is great about 8 bucks a can

C Dave
02-26-2012, 02:38 AM
I use ValveTech in a 98 Transam that's parked for months at a time, been doing that for years. Always starts and runs great after sitting for months. I'm also running Ring Free in my Suburban, call me crazy. The 5.3 motor is the VVT type and they will carbon up the piston rings when they run in 4 cylinder mode. I try to keep things running smooth.

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