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Old 02-15-2005, 12:28 PM   #2671
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Default Re: Gearing for EVO IV

Quote:
Originally posted by pdtech
I'm currently running in the stock class with rubber tires and I'm having some issues in regards to gearing the EVO IV. It seems that the car lacks mid and top end in compairsion with the 415 trf.

spur gear: 96
pinion gear: 32
motor: epic roar legal stock / monster pro


What have you guys found that works well...

Thanks,

Peter
on our local track.. (130ft straight)

monster pro: 7.1 - 7.3
epic stock: 7.59 - 7.8 (maybe even 8.1 depending on the motor)

7.10 = 96/31
7.34 = 96/30
7.59 = 96/29
7.86 = 96/28

hope that helps. my last official post on the evoIV thread.

is there an atlas thread yet?
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Old 02-15-2005, 12:30 PM   #2672
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Default Re: Gearing for EVO IV

Quote:
Originally posted by pdtech
I'm currently running in the stock class with rubber tires and I'm having some issues in regards to gearing the EVO IV. It seems that the car lacks mid and top end in compairsion with the 415 trf.

spur gear: 96
pinion gear: 32
motor: epic roar legal stock / monster pro


What have you guys found that works well...

Thanks,

Peter
Peter

buy an EA Motorsports epic stock or monster pro with the f-brushes. you wont have any problems then.
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Old 02-15-2005, 12:32 PM   #2673
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Default Re: Re: Gearing for EVO IV

Quote:
Originally posted by Hebiki
on our local track.. (130ft straight)

monster pro: 7.1 - 7.3
epic stock: 7.59 - 7.8 (maybe even 8.1 depending on the motor)

7.10 = 96/31
7.34 = 96/30
7.59 = 96/29
7.86 = 96/28

hope that helps. my last official post on the evoIV thread.

is there an atlas thread yet?
wow!!! how many turn is the motor?? 19t???
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Old 02-15-2005, 01:57 PM   #2674
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Default Re: Here's a few hints...

Quote:
Originally posted by Hebiki
hint #1: ive owned a car from this company before...
Dang, you idolize me so much... you getting a Toyota Corolla? First the Celica... now the Corolla... next thing you know, you'll have a wife and a baby too!
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Old 02-15-2005, 02:07 PM   #2675
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Default Re: Re: Re: Gearing for EVO IV

Quote:
Originally posted by Windtalkers
wow!!! how many turn is the motor?? 19t???
these are stock 27T motors.
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Old 02-15-2005, 02:08 PM   #2676
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Default Re: Re: Here's a few hints...

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Originally posted by eeyan
Dang, you idolize me so much... you getting a Toyota Corolla? First the Celica... now the Corolla... next thing you know, you'll have a wife and a baby too!
i dont know about idolize.... i already have a corolla remember? technically its a COROLLA MATRIX
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Old 02-15-2005, 02:33 PM   #2677
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Default Re: Re: Gearing for EVO IV

edit.
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Old 02-15-2005, 02:37 PM   #2678
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Default Re: Re: Re: Gearing for EVO IV

Quote:
Originally posted by Windtalkers
wow!!! how many turn is the motor?? 19t???
im curious now.. what do you gear your stock motors at?
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Old 02-15-2005, 02:51 PM   #2679
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At the moment i'm runnin about 25/69 (tc4/tc3) indoors which is about 6.9 and outdoors,i'll run 28+/69 which is about 6.16 , which is about the normal gearing i run (and the tracks are kinda big)

Chazz

Last edited by Chazz; 02-15-2005 at 03:13 PM.
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Old 02-15-2005, 03:09 PM   #2680
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thanks, for all the info I'll try it our next time at the track....

as a foot note our track length is 90 feet by 50 feet and the stock motor we use is a 27turn.

Thanks,

Peter
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Old 02-15-2005, 05:12 PM   #2681
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stock in asia is 23T, which is like a 19T and geared taller in the 5's and low 6's. stock in north america is 27T, which has less torque with more RPM, and geared at 6's and 7's.
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Old 02-15-2005, 05:15 PM   #2682
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My god you guys are gearing the Monster Stocks high!!! Don't know how you guys intend on winning at that high, but I guess your track must be uber short.

At our race track, we've seen ratios (depending on chassis) waver between as low as 5.7 to as high as 6.6. I personally think that around the 6.4 spot is a great place to start and if you are on a massive track like a Gas track (our Summer Nationals were held on a MASSIVE track and I was geared with a rollout of about 35mm = ~5.3-5.5 gear ratio) then you'll wanna delve into the 5s. I think that the kit gearing of 96/34 is a great spot to start, gives 6.48 if my memory serves me right. Start with around there and the laptimes should tumble, unless you are on a super tight track.
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Old 02-15-2005, 05:19 PM   #2683
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Quote:
Originally posted by F. Alonso
My god you guys are gearing the Monster Stocks high!!! Don't know how you guys intend on winning at that high, but I guess your track must be uber short.

At our race track, we've seen ratios (depending on chassis) waver between as low as 5.7 to as high as 6.6. I personally think that around the 6.4 spot is a great place to start and if you are on a massive track like a Gas track (our Summer Nationals were held on a MASSIVE track and I was geared with a rollout of about 35mm = ~5.3-5.5 gear ratio) then you'll wanna delve into the 5s. I think that the kit gearing of 96/34 is a great spot to start, gives 6.48 if my memory serves me right. Start with around there and the laptimes should tumble, unless you are on a super tight track.
the three tracks i race at do not have very long straights and they are meant for 1/10th scale cars...

tamiya USA - 110ft straight w/sweeper
la mirada - 130ft straight w/sweeper
socal raceway - 80-110ft depending on layout.

there are monster size tracks here like revelation built for 1/8th gas cars.. but 27T electric isnt raced there.
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Old 02-15-2005, 05:31 PM   #2684
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Quote:
Originally posted by jeffreylin
stock in asia is 23T, which is like a 19T and geared taller in the 5's and low 6's. stock in north america is 27T, which has less torque with more RPM, and geared at 6's and 7's.
We, in Australia, run to ROAR rules so 27t is what we use here. My motors of choice are EA Motors and F-Brushes. By far the best combination out there for stock racing.
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Old 02-15-2005, 09:01 PM   #2685
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Default Re: Re: Re: Re: Gearing for EVO IV

Quote:
Originally posted by Hebiki
im curious now.. what do you gear your stock motors at?
23t
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