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ChadS
06-21-2005 06:33:12
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Re: M carb problems in reply to jonM, 06-20-2005 11:06:33
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I dont think it going to fall, but since you have ran it richer lately, you mite put a set of plugs in, just incase it loses one. wanna see if its running good? you seem like you know whats going on, so here is one to try,, it's a test when there is no dyno, it does simulate a load on the engine, dont go overboard, but it works, tractor sits still. Loosen the distributor, start engine, set throttle a little above idle, or if you have a tach, bout 1000 rpms, turn the distributor, clockwise, (as if you were sitting on the tractor, looking at the distributor, the rpms will drop, and the engine will run as if it is under a load, Now, dont go over turning the timing, you can kill the engine by going to far, It dont take much, but you will see what Im talking about when you hear the M lug down. thats a practice, just to see what happens,,, if you have a plug bad, or carb trouble, it will tell you pretty quick. You can do the same at full throttle, I can tell you, if you set the timing by ear, at full throttle, when you set it to where it sounds the best, at an idle, the engine will sound slightly labored, kinda like a 350 chevy with an auto tranny in gear sitting still, Mufflers are the best tool to use on these engines, unless you have a long straight pipe, mufllers, you can hear the tone of the engine little clearer than a loud straight pipe. I would say, if you did get it on the dyno, peak the HP on it, it would be 65-70 hp pretty easy, would probably be in the low 60's till you get the bugs worked out and everything set. How big of cam change did you go? Chad
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