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Rpms

914 Views 14 Replies 6 Participants Last post by  dundee222
Guys I have been thinking of installing a tachometer on my 4016 , a couple questions, what is the maximum RPMs on the 4016 and what size tachometer should I purchase
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Woody,

Top no-load engine speed should be set to 3600 RPM.

Bob
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I've given it a lot of thought, and to me a tachometer isn't terribly useful: You manually set the engine to run at 3600rpm at full throttle, and from there you either run the engine at idle, at full throttle 3600, or throttled down to whatever speed you need for the purpose. But a readout/indicator telling you the rpm's isn't terribly useful, at least to my mind.

I do have plans to install a fuel gauge, and have already bought the sender and gauge.

But in addtion I've considered installing one of these:

I'd hook up "oil pressure" to engine oil pressure, hook up "temperature" to a sensor inserted in the hydraulic reservoir, hook up "fuel" to the new sender in the fuel tank, and hook up "volts" to the battery.

Those would at least give you meaningful data that you might actually want or need to respond to.

Just my 2 cents.

Bob
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Bob I have had big lawn tractors and never had any RPM gauges, with my 4016 my concern is I do not have the RPMs at optimal level,that’s why I was thinking of adding that gauge along with oil pressure gauge and ammeter, thinking about having Rockland adding a Ramair set up under the air scoop,
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I'd just set the full throttle rpm to 3600 using a handheld laser tachometer.

Bob
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I included an rpm gauge to my "dash". In keeping with my chicrap free mandate for this rebuild, and wanting a gauge that would look period correct [1980] I found a US company called Speedhut. Pick your style/size/font/# impulses per rev/needle color/gauge color ect, and in a couple of weeks a package arrives. Works flawlessly.
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I included an rpm gauge to my "dash". In keeping with my chicrap free mandate for this rebuild, and wanting a gauge that would look period correct [1980] I found a US company called Speedhut. Pick your style/size/font/# impulses per rev/needle color/gauge color ect, and in a couple of weeks a package arrives. Works flawlessly. View attachment 128481
Looks great man!
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Dundee whats the diameter of your gauges
Standard 2 1/16th or 53mm.
Eh dundee222, I don't see a bagpipe pressure gauge, sup wid dat! :love::eek::cool:
Mackie
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Eh dundee222, I don't see a bagpipe pressure gauge, sup wid dat! :love::eek::cool:
Mackie
While a great idea,,,,, I like the sound of bagpipes with absolutely NO air in them,,, so I'd probably go with a vacuum gauge. LOL
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Dundee are you happy with the gauges or would you go bigger next time
No, these are the stock size. I was trying to emulate what Case would have done if they had built a "deluxe model". I had a hell of a time getting these to fit as it is, as there is really no room behind the dash as the battery is right there too! Here's a pic of the dash before the final product.
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That’s why I am thinking about a rockland air scoop on the hood and move the gauges there
Gonna take some crazy long wiring and plumbing to run all the way up the hood, down to the hinge, and all the way back beside or inside the frame to hook up to the dash. Plus connectors at the hood hinge to allow the hood to come off for any repairs.
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