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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

plugs for D4

Author  [Modern View]
wilson ind

04-29-2012 06:55:27
70.239.85.115



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Have cat Basicly D4 is loader 7U just harder to get to pony motor for work!!! What brand and heat range spark plug do most find to start best?? Just bought tractor. Takes act of congress to get to carb!! does carb have inlet fuel screen?? just not getting enough gas. Thinking of just sea foam. Have heard must use fresh gasoline?? What about getting non ethenol av-fuel of 100 octain?? Whats your opinion??

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Original Possum

04-30-2012 07:33:12
75.0.231.176



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 Re: plugs for D4 in reply to wilson ind, 04-29-2012 06:55:27  
The AVGAS will make the biggest difference, but you will need to clean out all the ethanol residue first.



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Old Magnet

04-29-2012 08:46:46
76.254.45.166



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 Re: plugs for D4 in reply to wilson ind, 04-29-2012 06:55:27  
Autolite 386 or a 387 if a hotter plug is needed.
Also the NGK A6 works well.
Avoid Champions

Needs to be a non-resister type plug and use with solid wire core ignition wires.



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dpendzic

05-04-2012 09:04:13
24.191.49.134



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 Re: plugs for D4 in reply to Old Magnet, 04-29-2012 08:46:46  
the NGK A6 plugs are too large to fit in my D2 pony
I am told i have the newer heads which has a smaller plug in the middle rather than the older heads with the plug at the top. What would be the equivalent NGK plug??
Thanks



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TomA

04-29-2012 07:37:17
76.9.91.189



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 Re: plugs for D4 in reply to wilson ind, 04-29-2012 06:55:27  
Champion plugs are not well thought of. It is real common for carb to get plugged up, dependent on filter bowl to clean gas. I like to put a tube in filter inlet with fuel screen so sediment cant get in carb. Not much fall from tank to carb. Usually you can take top off carb in place to clean.



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wilson ind

04-29-2012 07:54:10
70.239.85.115



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 Re: plugs for D4 in reply to TomA, 04-29-2012 07:37:17  
Autolits??? what number ??????? thanks bill



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