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Old 05-19-2017, 04:06 PM   #46
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Hello, friends!
I've just bought myself a new 748e for drag racing.
Might need some help.... my target is go over 120mph.
Here is the upcoming setup:
Stock Serpent Natrix 748e (Spur 72t 48p stock)
TENSHOCK 4 Pole Sensor Motor SC411 4,600Kv
6500mAh 14.8V, 4S 75C Hardcase LiPo Battery
Futaba BLS351 Brushless Servo
Xceed RC 26mm "Enneti" 1/10 Nitro Sedan Front Tires (32 Shore) 65mm diameter
Xceed RC 30mm "Enneti" 1/10 Nitro Sedan Rear Tires (32 Shore) 65mm diameter
Robinson Racing Pinion Gear Hardened 5mm 48P 33T
PROTOFORM SRS-N 200mm custom painted body
Futaba 2.4GHz Fasst Radio
Does anyone see any issue with this setup?
Any recommendations?
Thanks in advance,
Dawn.
Nice, I want to get this car to do a drag racing set up as well.
I have been racing 1/8 buggy. I have 1/8 motor and esc 2200kv.
I want to run 4S on this as well. I have SMC 4S 90C 6700Mah packs.

Did your 4S pack fit without trouble?
Did you fit 1/8 motor in there without trouble?

Let us know,
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Old 12-05-2017, 12:34 PM   #47
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Default Aluminim rear belt pulley upgrade?

I just received a brand new kit and im concerned about the stock plastic pulley for rear belt. Anyone have issues?
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Old 12-05-2017, 09:34 PM   #48
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I just received a brand new kit and im concerned about the stock plastic pulley for rear belt. Anyone have issues?
No problems whatsoever. Don't be concerned about the plastic pulleys as they are very high quality and last a long time. Just be careful of stones and other debris getting into the belts and pulleys.
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Old 12-06-2017, 11:33 AM   #49
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No problems whatsoever. Don't be concerned about the plastic pulleys as they are very high quality and last a long time. Just be careful of stones and other debris getting into the belts and pulleys.
I will be running a lot of power thru this thing (4s-6s). It will be a speed run car so I know the plastic pullies will wear quick. The fastest serpent in the world is a mid 160 MPH 747e and that car only gets around 10 passes per plastic pulley before he has to swap to a fresh one. An aluminum rear pulley would be awesome.
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Old 12-06-2017, 04:38 PM   #50
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Default 748e Aluminum Pulleys

From my experience, in order to get the Aluminum pulley you are looking for, you will need to either retro-fit older 747 style diff and track down the 40t Serpent pulley or modify the car with a custom rear pulley (I run 10mm belt in high power drag car). This is not difficult if you have access to shop tools and some skills (if not I can put you in touch with someone that can perform this for you). I would recommend a mod1 upgrade too if your serious about going fast. These are just my opinions and definitely not shared by all ;-) btw this Pete? I think I have an 18t on the way for you lol

Last edited by DN419; 12-06-2017 at 04:58 PM.
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Old Today, 10:52 AM   #51
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From my experience, in order to get the Aluminum pulley you are looking for, you will need to either retro-fit older 747 style diff and track down the 40t Serpent pulley or modify the car with a custom rear pulley (I run 10mm belt in high power drag car). This is not difficult if you have access to shop tools and some skills (if not I can put you in touch with someone that can perform this for you). I would recommend a mod1 upgrade too if your serious about going fast. These are just my opinions and definitely not shared by all ;-) btw this Pete? I think I have an 18t on the way for you lol
Yup this is Pete! Whos this?! 18t sounds good for the front belt pulley but I really want the 21t for the rear belt pulley which is the one that needs aluminum for sure. I am waiting on a custom mod1 spur gear from RW Racing.
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