10-20 Spark Plugs.

MJ in the UK · Mar 27, 2014

Hi folks, need a set fo spark plugs for my 1923 10-20 with a Dixie mag. Got Champion W20s in when I bought it but not happy with them. MJ

robgIN · Mar 27, 2014

get some Autolite 3076 , 3077 if you can find them are even better but have been discontinued I hear.

Old-F20 · Mar 27, 2014

autolite all the way. throw them champions in the bin.

AJB-830 · Mar 27, 2014

I tried a set of 3077 plugs in my F20 a couple of years ago to replace the Chanpion W20s. But I had trouble getting it started and it is an electric start. It did run fine with them. So put a set of 3076 plugs in and it starts right up. I put the 3077s in my W30 that I usually start with the belt pully and it seems to run fine. Anyone have any idea why the 3077 causes hard starting in my F20? Had the gap set at .025. Al

robgIN · Mar 27, 2014

I have had 3076 and 3077 in my F-20s and F-30s and never had any starting issues , if anything the 3077 were easier starting, but had he 3077 are great for parade or tractor drive duty , hardly ever foul one.

Nebraska Kirk · Mar 27, 2014

I use nothing but Autolite 3076 plugs on my pre 1939 IH tractors. Champions are a waste of money, not to mention the Autolites are less than HALF the price of Champions!!!

Paul from MI · Mar 27, 2014

I run 3077 Autolite in my 1937 John Deere B and have had no problems. Tractor does parade duty and once in a while hauls a load of firewood. It starts very well, usually on one or two turns.

MJ in the UK · Mar 28, 2014

Many thanks everybody, will get a set of Autolites and post the results. MJ.

10-20 Spark Plugs.

MJ in the UK

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robgIN

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Old-F20

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AJB-830

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robgIN

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Nebraska Kirk

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Paul from MI

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MJ in the UK

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