Big Rock Will the big rock drivetrain handle 4S??

[basher27]

Just picked up a Firma 130 amp ESC and wondering with a 4S battery if the differential, motor and other drive train components can handle the power?

 

[pug]

The motor won’t handle it, but the diffs will since they are the 4s diffs.

 

[basher27]

The motor won’t handle it, but the diffs will since they are the 4s diffs.

You said the plastic stock diffs are rated for 4S? What would be a good motor to pair with the firmer 130 amp ESC?

 

[pug]

You said the plastic stock diffs are rated for 4S? What would be a good motor to pair with the firmer 130 amp ESC?

2400kv 4068 you will need to change the esc connectors to 6.5mm though.

 

[MambaSenton]

You said the plastic stock diffs are rated for 4S? What would be a good motor to pair with the firmer 130 amp ESC?

For 4s? I believe a 2800kv n lower. I run a 2400 in a senton on 4s

 

[Peteyk49]

Just get the hot racing diff yokes if you’re worried about diff issues. I put them on my son’s brcc and we run 4s often. I put the blx185 in it and a 3674 2950kv motor. It’s fast! Diffs have been solid!

 

[King blitz]

Just picked up a Firma 130 amp ESC and wondering with a 4S battery if the differential, motor and other drive train components can handle the power?

Yes

Yes

Drive train yes but not motor..

 

[PeighDay]

Yes

Drive train yes but not motor..

I still run the stock 3200kv motor on 4s. I just make sure to go easy on the throttle and watch the temps. I also dropped it down to a 13t pinion.

 

[King blitz]

Yes

Drive train yes but not motor..

What is your motor rated for? If it's rated for 3 s I wouldn't worry but if it's rated for 2s then that's sketchy