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Farmall & IHC Tractors Discussion Forum
Show Parts for Model:

gas additive

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kevin kohls

03-17-2012 18:40:29
107.8.73.116



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Farmall C question: Do I need to add an additive to the gas ? I know these tractors were built when LEADED gasoline was in use to cut down on engine knocking.

Kevin




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KEN IND.

03-19-2012 20:33:06
199.189.61.37



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 Re: gas additive in reply to kevin kohls, 03-17-2012 18:40:29  
Been running my old girls on no lead for along time with no problems.



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NoNewParts

03-18-2012 09:13:13
67.240.136.191



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 Re: gas additive in reply to kevin kohls, 03-17-2012 18:40:29  
naw, no 'lead' additive needed

These old tractors are pretty forgiving on fuel

My tractors get all the 'old' stuff from my small engines,

straight gas, alcohol gas, chainsaw gas, whatever

blend it in, the tractor doesn't care

as long as it's clean



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gene bender

03-18-2012 03:26:27
67.55.227.36



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 Re: gas additive in reply to kevin kohls, 03-17-2012 18:40:29  
No additive is needed ive been running the ethanol gas for 35 yrs in that engine with no problems even let them set all winter and they start in the spring with the same gas.



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bobs old iron

03-17-2012 22:29:12
97.124.217.34



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 Re: gas additive in reply to kevin kohls, 03-17-2012 18:40:29  
as others stated, you don"t need lead, i would be worrying about ethanol/alcohol in the gas, if your state puts it in like some,that will make the gas go bad after setting in tank for long periods of time.



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Mr Farmall

03-17-2012 22:26:24
69.141.208.188



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 Re: gas additive in reply to kevin kohls, 03-17-2012 18:40:29  
You don't need lead additive, but if your tractor sits around for awhile, you might want to add E10 treatment to slow down phase separation. Since our tanks use open venting, the gas can phase separate in 30 days.



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gtski

03-17-2012 20:14:15
4.131.21.127



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 Re: gas additive in reply to kevin kohls, 03-17-2012 18:40:29  
Kevin most of these tractors were build when "tractor fuel/distillate" was used and it contained NO LEAD. Lead was used as an octane booster even the cheapest 87 octane gas today is higher in octane than most leaded gas was, at least what was then called regular.



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pete 23

03-17-2012 19:40:31
74.32.238.142



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 Re: gas additive in reply to kevin kohls, 03-17-2012 18:40:29  
Some fuel suppliers will try to convince you that it is needed but it is not. IH actually strongly recommended using non leaded gasoline way back in the 60's. It still had to meet their octane specs though which was usually the hang up back then.



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mkirsch

03-17-2012 19:25:26
67.253.161.186



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 Re: gas additive in reply to kevin kohls, 03-17-2012 18:40:29  
I don't believe anyone has ever said that "lead substitute" has tetraethyl lead in it. It's lead SUBSTITUTE, meaning the substance in the additive is a replacement for tetraethyl lead.

That said, lead substitute is a waste of money.



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old

03-17-2012 18:47:28
209.86.226.34



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 Re: gas additive in reply to kevin kohls, 03-17-2012 18:40:29  
Would you believe the lead stuff they sell has no lead in it and it is pure and simple a snake oil type thing



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CNKS

03-17-2012 18:46:46
216.144.104.128



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 Re: gas additive in reply to kevin kohls, 03-17-2012 18:40:29  
Been on this forum for about 13-14 years. This question has been asked several times a year. The answer is no. Check the archives for verification.



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david G

03-17-2012 18:42:52
205.215.206.18



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 Re: gas additive in reply to kevin kohls, 03-17-2012 18:40:29  
No, The gas has high enough octane, make sure your timing is correct.



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504

03-17-2012 20:51:52
64.111.61.44



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 Re: gas additive in reply to david G, 03-17-2012 18:42:52  
When they took the lead out of the gas and raised the price, my Dad told me they raised the price of gas when they started adding it in the 50s



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gtski

03-17-2012 22:21:08
4.131.22.54



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 Re: gas additive in reply to 504, 03-17-2012 20:51:52  
GM was a big pusher of ethyl in the 30s. More compression raised the octane requirements and lead was the fastest way to get it. To keep this a little tractor related; Oliver 80 needed 80 octane gas, 70 needed minimum 70 octane.



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randy hall

03-18-2012 08:43:16
216.255.39.122



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 Re: gas additive in reply to gtski, 03-17-2012 22:21:08  
so the 90 oliver needed 90 octane gas ? you are right that the 70 was built to use 70 octane gasoline.



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gtski

03-18-2012 20:31:28
4.131.23.212



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 Re: gas additive in reply to randy hall, 03-18-2012 08:43:16  
NAH, the Oliver 90 was the low compression kerosene burner, the 99 model was the gasoline engine, have no owners manuals on them so maybe they could burn anything.



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gtski

03-18-2012 20:35:03
4.131.23.212



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 Re: gas additive in reply to gtski, 03-18-2012 20:31:28  
Don't know why they 70 & 80 were both gas & kerosene and the 90/99 had seperate designation.



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