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Old 12-21-2003, 07:03 PM   #1
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Default 48pitch?? 64 pitch?

i would like to know the difference between a 48 pitch and a 64 pitch? these numbers, what do they represent? is it the teeth or the overall size or the pinion or what??
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Old 12-21-2003, 07:06 PM   #2
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64 pitch has smaller teeth
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Old 12-21-2003, 07:27 PM   #3
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so the pitch thing is all about the size of the teeth, so the pitch actually affects the gear mesh?
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Old 12-21-2003, 07:42 PM   #4
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To some degree yes, but it also affexts the number of available ratios you can achive & how much or little of a change you can make for fine tuning. However, if you go with 64 pitch gears, be aware that they are more fragile than 48 pitch, so they're more difficult to get the gear mesh right on, & they strip more easily(making it all the more important to set the mesh just right). I wouldn't recommend 64 pitch to everyone, but I for one do like them, I like the fine tuning options they give me....
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Old 12-21-2003, 07:45 PM   #5
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89 It's like course and fine thread bolts. The number is teeth per inch. 64 teeth is a much finer gear then the 48 tooth one. Most kits come with 48 pitch gears. Do not ever mix the two !!!
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Old 12-21-2003, 08:38 PM   #6
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32 pitch=
/\/\/\/\/\/\/\/\/\/\/\

48 pitch=
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

64 pitch=
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
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Old 12-21-2003, 11:42 PM   #7
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hahaha, that is cool. Yep, that about explains it...
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Old 12-22-2003, 01:45 AM   #8
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When deciding on wich pitch to use you have a few things to consider. The biggest is strength. 48 and 36 pitch are generally used more in offroad, because of the torque placed on them from the roughness of the class. 64 pitch is mainly just an onroad carpet thing where ratio is more important than strength. The larger tooth gears are going to have less teeth therefore less tunning options. for every tooth you add to the spur gear you double the tunning options of the gearset.
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Old 12-22-2003, 04:38 AM   #9
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hey guys, thanks very much for that tip, espciallly the drawing...thanks very much, now i have cleared my thought on that.!
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Old 12-22-2003, 08:51 AM   #10
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also if you cant stand your car being loud as hell, use 64 pitch! they give you a quieter higher pitch sound then the 48 pitch gears. they also makes it look more "pro" when someone comes by and see your using 64 pitch
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Old 12-22-2003, 12:37 PM   #11
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doesn't 64 pitch mkae u faster, by being more effitiant. More smaller teeth would be better than less big ones.
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Old 12-22-2003, 12:42 PM   #12
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Quote:
Originally posted by pro3racer
doesn't 64 pitch mkae u faster, by being more effitiant. More smaller teeth would be better than less big ones.
It doesn't actually make you faster, it gives you more tuning options. Or to be more clear, better gearing options. If you feel that a particular gear ratio might be to tall, and you go down one tooth and discover that it isn't tall enough, then a finer gear pitch like 64P will get that "in between" ratio that is better suited to your driving.
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Old 12-22-2003, 08:45 PM   #13
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i used to use 64p for all the fine tuning....but now i'm converted to 48p ...simply bcos it's too expensive to replace all the rock 'eaten' gears..yeah i play asphalt.48p can survive a much larger rock and still run well
besides , the efficiency factor and noise factor isn't that great a difference.In fact,if u have a chewed up 64p and a chewed up 48p gear,u'd find that the 48p one is way quieter.
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Old 12-23-2003, 12:30 PM   #14
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Ive been runnin 64 Pitch for about 5 months now and i did not know it was easy to break untill last week, stripped them all!
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Old 12-23-2003, 12:52 PM   #15
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64p should not be any quieter than 48p. If you get the 48p mesh correct, there should be very little noise. Its all about the mesh.
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