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Old 12-09-2006, 12:22 PM   #1
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Default Stock Motor?

What's the best stock motor?

Co27
Core
Monster
Epic X
???
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Old 12-09-2006, 12:33 PM   #2
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with out a doubt the co27 and the team brood version is the best you can get
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Old 12-09-2006, 01:23 PM   #3
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some motors doesnt work very well on some track. some motor has more torque than the other which makes it more suitable for smaller size track for corner to corner grunt. motors with higher RPM is suitable for larger track or lower traction. go to your local track and ask around on what they use.
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Old 12-09-2006, 05:55 PM   #4
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Rasmus you have a PM...
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Old 12-09-2006, 07:57 PM   #5
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My 2 cents - Both the X-Stock and CO-27 are very good motors. There are good points with both, 1/12 stock I've had good luck with the X-Stock. I have also tuned CO-27's for other racrs running touring car.

Both have a sweet spot, the X-stock is much smaller than the CO-27. The motor and gearing will be change for each track.
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Old 12-10-2006, 05:08 PM   #6
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Grenade10 u have a pm.
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Old 12-10-2006, 05:24 PM   #7
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I would have to agree with the CO27. I have found it to be best on small to medium sized tracks. If you are on a large track with long straights and sweepers then I would say a higher RPM motor would be better suited.
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Old 12-12-2006, 05:00 AM   #8
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Quote:
Originally Posted by c1 racin
What's the best stock motor?

Co27
Core
Monster
Epic X
???
i have have also heard that co27 are the same as monsters with a tad more rpm and torque and the x stock has slightly more rpm that the roar
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Old 12-12-2006, 06:44 AM   #9
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Quote:
Originally Posted by stephen hilton
i have have also heard that co27 are the same as monsters with a tad more rpm and torque and the x stock has slightly more rpm that the roar
The CO27's are supposed to have more torque low down but I don't believe they have any more RPM.
The X-Stock is supposed to be a high revving motor but with lower torque.

Which motor is best to use would depend on the track.

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Old 12-12-2006, 08:18 AM   #10
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Quote:
Originally Posted by Skiddins
The CO27's are supposed to have more torque low down but I don't believe they have any more RPM.
The X-Stock is supposed to be a high revving motor but with lower torque.

Which motor is best to use would depend on the track.

Skiddins
yep skiddins was right (checked it out on t-bangs site) but 90% of the time the best motor is the one that is regulary maintained eg skimmed and brushed and the one that is correctly geared stephen
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Old 12-12-2006, 10:24 AM   #11
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I would have to agree with Stephen,
I have a couple of p2k2's that are in very good condition, cut com, 767 brushes and all the normal motor tweaks. off the shelf from lhs. I ran one for oval and the lap times were very close to my cobalt. Big Jim Greenimeyer ( arguably on of the best motor builders) pulled the highest readingswith the p2k2.

My monster pulls the most amps and rpm on my aps motor dyno. but havn't been able to find the correct gearing yet. I will spend more time with it soon. It pulled more rpms and amps than my x, havn't run that yet.

as stephen said above, the best motors are the motors that have skimmed coms, seated brushes and maintained.
after all they all have 27 machine wound turns, and the cans are pretty much the same, except the cooling wholes and colors. I haven't looked but the arms are pretty close. how much is one less lamination or spacing between the rotors going to make the motor? 1 lap faster? I'm sure that there are subtle differencese in the motors other than their colors. but you can gear, brush and spring them all to achieve good results.

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Old 12-12-2006, 01:24 PM   #12
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believe it or not the vent holes have more purposes besides cooling the motor.

the shape determines how hard the next polarized magnet "grabs" and rotates the arm. the smoother the transition, the smoother the arm is rotated. the begining edge ( a harsh straight edge parrallel in relation to the arm) deals with the magnet field and how much magnetic drag there is. the harsher the edge, the more abruptly the magnetic field ends.

-Zac
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Old 12-12-2006, 03:12 PM   #13
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also after time as you skim the comm down (providing you dont cook the magnets by over gearing) the motor should be quite a noticably quicker than from when it was new. some drivers do that at big compertitions skim the comm right down to get a quicker motor but it only then lasts 3-4 runs and is very expensive unless you are sponsored. but dont skim it below 2.70 as the copper will flake off during the run hope this helps stephen
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Old 12-12-2006, 03:29 PM   #14
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Anyone ever used a Epic GM3, I just bought one new because it was cheap. Will it be decent for a small indoor carpet track.
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Old 12-12-2006, 06:30 PM   #15
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Quote:
Originally Posted by stephen hilton
but dont skim it below 2.70
a word to the wise:

you should NOT cut the comm when it reaches that small of a size. the comm could (and will) peel right off. the lathe bit could get stuck in the separations between the plates and possible break off the cutting edge.

-Zac

ps: the comm size is 0.270" not 2.70"
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