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#2140117 - 01/16/11 09:31 AM Best Gas Additive for SUPER COLD Weather
Turk Offline


Registered: 02/03/06
Posts: 9103
Loc: MN
It's going to be 20 to 30 Below Zero air temps when we drive mornings here in Minnesota this entire week. Highs 0 to 5 Below.

So, which of these 4 additives I currently have should I put in the tanks of my Sierra (that sits outside), the Saturn & the Camry? I think I know, but want your input!

MMO?
Seafoam?
Techrom?
Amsoil PI?




_________________________
03 GMC Sierra 4x4 200k M1 0-40+PU
00 Saturn SL2 89 YO Lady Car 92k, Edge Ext
98 Saturn SC2 Rare "Red Hot" 165k, Edge Ext
97 Camry 245k, Maxlife


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#2140130 - 01/16/11 09:41 AM Re: Best Gas Additive for SUPER COLD Weather [Re: Turk]
Drew99GT Offline


Registered: 10/11/02
Posts: 21542
Loc: Colorado Springs
Is your concern about fuel freezing? If so, gas with ethanol helps eliminate that problem, so you may not need a fuel additive.

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#2140135 - 01/16/11 09:44 AM Re: Best Gas Additive for SUPER COLD Weather [Re: Turk]
Craig in Canada Offline


Registered: 04/06/06
Posts: 1995
Loc: Toronto-ish, Canada
You forgot "none" on your list. What's the purpose of the additive? Why are you running one? Gas is still liquid at -30F and even if there was some condensation in the system if you aren't running E0 then the ethanol in the blend will keep you running fine (as Drew says).

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#2140138 - 01/16/11 09:47 AM Re: Best Gas Additive for SUPER COLD Weather [Re: Craig in Canada]
Turk Offline


Registered: 02/03/06
Posts: 9103
Loc: MN
Originally Posted By: Craig in Canada
You forgot "none" on your list. What's the purpose of the additive? Why are you running one? Gas is still liquid at -30F and even if there was some condensation in the system if you aren't running E0 then the ethanol in the blend will keep you running fine (as Drew says).



No, I forgot to write "I don't want to read *none* in the responses" in my original post. duh
_________________________
03 GMC Sierra 4x4 200k M1 0-40+PU
00 Saturn SL2 89 YO Lady Car 92k, Edge Ext
98 Saturn SC2 Rare "Red Hot" 165k, Edge Ext
97 Camry 245k, Maxlife


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#2140142 - 01/16/11 09:52 AM Re: Best Gas Additive for SUPER COLD Weather [Re: Turk]
sw99 Offline


Registered: 03/22/06
Posts: 1655
Loc: Colorado
Most states have an ethanol blend (Most are around 10% I believe) which is the essentially the same as hat is sold as fuel antifreeze (Like you buy at Wal-Mart). Personally, I feel that you don't need it unless it make you sleep better.
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#2140145 - 01/16/11 09:55 AM Re: Best Gas Additive for SUPER COLD Weather [Re: sw99]
Turk Offline


Registered: 02/03/06
Posts: 9103
Loc: MN
Originally Posted By: sw99
Most states have an ethanol blend (Most are around 10% I believe) which is the essentially the same as hat is sold as fuel antifreeze (Like you buy at Wal-Mart). Personally, I feel that you don't need it unless it make you sleep better.



Yea, I know that well & do not like it generally. 99% of the gas here is E10 stuff.

Back to topic..... So far, NO ONE has answered the question. whistle Which of the 4? grin

_________________________
03 GMC Sierra 4x4 200k M1 0-40+PU
00 Saturn SL2 89 YO Lady Car 92k, Edge Ext
98 Saturn SC2 Rare "Red Hot" 165k, Edge Ext
97 Camry 245k, Maxlife


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#2140148 - 01/16/11 09:57 AM Re: Best Gas Additive for SUPER COLD Weather [Re: Turk]
dave123 Offline


Registered: 01/13/09
Posts: 1649
Loc: wi
I would just run E10 and keep tank near full and call it a day.

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#2140160 - 01/16/11 10:07 AM Re: Best Gas Additive for SUPER COLD Weather [Re: dave123]
Turk Offline


Registered: 02/03/06
Posts: 9103
Loc: MN
duh Sorry I ever brought this up. crush

UFO

I know VERY well, what gas we have, what E10 is all about and that the engines will run just fine & make it through the cold a-ok with no additive at all!!!!!!!!!!!

_________________________
03 GMC Sierra 4x4 200k M1 0-40+PU
00 Saturn SL2 89 YO Lady Car 92k, Edge Ext
98 Saturn SC2 Rare "Red Hot" 165k, Edge Ext
97 Camry 245k, Maxlife


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#2140162 - 01/16/11 10:09 AM Re: Best Gas Additive for SUPER COLD Weather [Re: Turk]
Drew99GT Offline


Registered: 10/11/02
Posts: 21542
Loc: Colorado Springs
OK then, MMO. Has a -65 degree pour point I believe.

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#2140166 - 01/16/11 10:12 AM Re: Best Gas Additive for SUPER COLD Weather [Re: Turk]
BobFout Offline


Registered: 03/23/09
Posts: 2951
Loc: Indiana
Originally Posted By: tpitcher
It's going to be 20 to 30 Below Zero air temps when we drive mornings here in Minnesota this entire week. Highs 0 to 5 Below.

So, which of these 4 additives I currently have should I put in the tanks of my Sierra (that sits outside), the Saturn & the Camry? I think I know, but want your input!

MMO?
Seafoam?
Techrom?
Amsoil PI?


One of these contains alcohol, the rest don't. (Seafoam) That may impact the decision.
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#2140212 - 01/16/11 10:43 AM Re: Best Gas Additive for SUPER COLD Weather [Re: Turk]
Astro14 Offline


Registered: 10/10/10
Posts: 6751
Loc: Virginia Beach
So...the point of the question is: I am going to put SOMETHING in my gas tanks for the weather...

And your frustration is that the answer consisitently seems to be "gasoline".

Sorry, I don't think any of the listed products will make any difference in the extreme cold weather performance of your vehicles.

If you're worried about starting in those temps, I would change over to a synthetic oil in the 2 vehicles that don't have it.

If your intent is to clean your fuel system, the Techron is good stuff...but it's not likely to help starting at 20 below...
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#2140247 - 01/16/11 11:31 AM Re: Best Gas Additive for SUPER COLD Weather [Re: Turk]
demarpaint Offline


Registered: 07/03/05
Posts: 25590
Loc: NY
OK I'll bite. MMO for its UCL properties, for that first cold start in the morning when the thick cold is taking a little more time than normal finding its way to the cylinders. Even a 0W-xx oil is taking a bit longer to reach vital parts when its that cold. I think a good UCL is helpful in those extreme cold conditions, especially to rings and the cylinder walls. JMO
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#2140252 - 01/16/11 11:38 AM Re: Best Gas Additive for SUPER COLD Weather [Re: demarpaint]
Turk Offline


Registered: 02/03/06
Posts: 9103
Loc: MN
Originally Posted By: demarpaint
OK I'll bite. MMO for its UCL properties, for that first cold start in the morning when the thick cold is taking a little more time than normal finding its way to the cylinders. Even a 0W-xx oil is taking a bit longer to reach vital parts when its that cold. I think a good UCL is helpful in those extreme cold conditions, especially to rings and the cylinder walls. JMO


Yes! I was honestly hoping you'd chime in dermapaint... thumbsup

I was torn between the MMO & Seafoam. MMO for the lubrication properties & the Seafoam for the anti water-in-tank benefits. With the 10% ethanol junk, I'm aiming towards the MMO in all 3 vehicles.
_________________________
03 GMC Sierra 4x4 200k M1 0-40+PU
00 Saturn SL2 89 YO Lady Car 92k, Edge Ext
98 Saturn SC2 Rare "Red Hot" 165k, Edge Ext
97 Camry 245k, Maxlife


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#2140283 - 01/16/11 12:10 PM Re: Best Gas Additive for SUPER COLD Weather [Re: Turk]
cjcride Offline


Registered: 11/06/09
Posts: 1468
Loc: Ontario Canada
Seafoam.

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#2140503 - 01/16/11 03:34 PM Re: Best Gas Additive for SUPER COLD Weather [Re: Turk]
Craig in Canada Offline


Registered: 04/06/06
Posts: 1995
Loc: Toronto-ish, Canada
Originally Posted By: tpitcher


No, I forgot to write "I don't want to read *none* in the responses" in my original post. duh



So.... You have no specific reason for using an additive, but you absolutely insist that you must use one of the ones on your list? How is anyone supposed to help you answer that question?

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