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Old 12-12-2014, 03:57 PM
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Originally Posted by DJGonzo69 View Post
Where can I get a solid setup for asphalt on my BD7-2015. Running 17.5 non ramp.

Thx-John
start with my base setup for stock, I usually start this setup for club days,
been very good with both ride and muchmore tyres,
Only changes I made for a very very large track were HPI Silvers and different front suspension blocks.

http://www.petitrc.com/reglages/yoko...seSetup201410/
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Old 12-13-2014, 02:18 AM
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Originally Posted by policeman0077 View Post
Thank you very much for all those one replied me.

Finally I mounted a Robinson Racing 81t spur on my BD7. It's a little thicker, but Tony helped me to make a sink hole on it. So I can use two flat head screws to mount the spur on drive pulley while not touching the pulley. ;D



it turns out, 81t spur is too small for my 45t pinion can not touch it. But even I mount a 96t spur, 45t still can not touch the spur cause the upper deck block the motor to stay on motor mount...... I am crazy ...... anyone has working combination(without modification of upper deck and motor mount) which has a fdr from 3.3-4 for original bd7. Even 48p spur/pinion are good for me...

Last edited by policeman0077; 12-13-2014 at 08:20 AM.
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Old 12-13-2014, 05:44 AM
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Originally Posted by policeman0077 View Post
it turns out, 81t spur is too small for my 45t pinion can not touch it. But even I mount a 96t spur, 45t still can not touch the spur cause the upper deck block the motor to stay on motor mount...... I am crazy ...... anyone has working combination which has a fdr from 3.3-4 for original bd7. Even 48p spur/pinion are good for me...
I've gotten an 88 CRC spur and a 52 pinion on the car but I've had to file a small amount off the motor mount brace that mounts to the top deck.
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Old 12-13-2014, 08:01 AM
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I extended the motor mounting slots closer to the spur. Running A FDR 4.19
90 spur 43 pinion.
I removed some of the upper deck where it touches the motor.
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Old 12-13-2014, 08:18 AM
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thanks duckman and charl
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Old 12-13-2014, 08:32 AM
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Originally Posted by policeman0077 View Post
it turns out, 81t spur is too small for my 45t pinion can not touch it. But even I mount a 96t spur, 45t still can not touch the spur cause the upper deck block the motor to stay on motor mount...... I am crazy ...... anyone has working combination(without modification of upper deck and motor mount) which has a fdr from 3.3-4 for original bd7. Even 48p spur/pinion are good for me...




And do not use tekin motor. There is no chamfer on the side, so the upper deck would block the motor.


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Old 12-13-2014, 02:47 PM
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88 - 92t 64p gears for 3:1 ish ratios

Yes, as per Yokomo instructions, motors with chamfers are preferable
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Old 12-14-2014, 04:49 AM
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92 tooth spur seams to be the best compromise for FDR around 3.6 to 4. I run a 96/51 for 17.5 blink. But I'm not afraid to grind a little aluminum to make my car work.
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Old 12-14-2014, 12:04 PM
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Sorry for another thread hijack guys, those using the rpx and programmer, is the programmer English language?
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Old 12-14-2014, 04:45 PM
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Originally Posted by DaveG28 View Post
Sorry for another thread hijack guys, those using the rpx and programmer, is the programmer English language?
Yes it's in English
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Old 12-15-2014, 12:03 PM
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Default New 2015 interest

Looks like I need to go with the new 2015 version, only a few in the area are running this but successful in Mod.

Any interest in my 2013 and parts, they are for sale, local Indy/Ohio/Illinois area, tracks I participate.

I'll continue to watch thread for 2015 suggestions while mine is for sale, and then upgrade.

Roller chassis and parts per photo, $100.00 SOLD,

didn't take long to sell, now for the new one
Attached Thumbnails YOKOMO Touring Car BD-7-new-004.jpg  

Last edited by regets ama; 12-15-2014 at 04:17 PM. Reason: gone to a good home
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Old 12-15-2014, 05:50 PM
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Default 2015 one piece motor mount

Hi there. Is there anyone try 2015 one piece motor mount to the 2014 ?

It seems fitted on 2014 chassis.
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Old 12-15-2014, 09:18 PM
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Originally Posted by accord12 View Post
Hi there. Is there anyone try 2015 one piece motor mount to the 2014 ?

It seems fitted on 2014 chassis.
Let me find out
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Old 12-16-2014, 07:28 AM
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Originally Posted by regets ama View Post
Looks like I need to go with the new 2015 version, only a few in the area are running this but successful in Mod.
Why do you NEED a new one? What is wrong with the one you sold me?

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Old 12-16-2014, 07:37 AM
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Originally Posted by .crispy View Post
Why do you NEED a new one? What is wrong with the one you sold me?

Don't know if there is anything wrong, but you got a heck of a good deal!
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