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ChadS
01-20-2004 17:18:13
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Re: Re: Re: for ChadS in reply to Hank, 01-20-2004 06:46:00
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Wild Horses is right. A faster responding governor will operate the engine's responce a whole lot better. Most of the time, when using a stock spring, as the rpms begin to drop when you put a load on it, the governor follows right with the rpm drop and shut down the carb. Thus, making the rpm drop faster. When you hold the carb open with the governor, longer, the engine will hold the rpm longer, instead of dying, it lugs, result,,, a few more feet down the track. As far as the 2 weight VS the 4 weight, the 4 system holds the rpm at a lower speed more consistant, but is sluggish on throttle responce. It takes more time for the governor to react when there is more weights to operate. $ systems are more difficult to get higher rpm. I have installed one of my springs in a 4 system, and the governor would not open up past 1750. Where the 2 weight opened up to 2600. As soon as I put a load on the engine with the 4 system, it did not ahve a high torque curve, it shut the engine down instead of maintaing the rpm. I swapped the governor out with a 2 system it ran 2600, and I then reset the rpm limit to 2000. It reved up faster, and held the power longer, and the torque curve increased by 7 hp on the lug side. When looking for performance in engines, especially in a tractor,, you must look at the engine controls first. Governor, carb jets, mechanical advance springs in the distributor, etc. Those controls will change the average tractor into a performer. Just like in drag racing, it takes different settings for the carb, and timing to make more power more efficiently. Hope this helps, Chad
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