I have read most of the posts in this thread, but I may have over looked this. I would appreciate any input.
I am working on a B4.1 FT. When I put the axle in the diff., it bottoms out before the turnbucke will hook up. It is hitting on the locking t-nut. The other side goes in fine. I tightened it down until the diff thrust bolt broke, I replace it and turned the diff around. Same thing happened on the other side. I pushed the axle bearing as far in as I could with my fingers. It is almost like the axle is too long.
????

Thanks in advance
John

Could you have put the diff screw through the wrong half of the outdrive?

If it's hitting, it is not built right, that's for sure.

Thanks, I will switch it tomorrow night. I put it together without my glasses, and the pic in the manual with the bolt through it looks like the half with the sleeve sticking up, but it is not. I have put everything away and watching the ball game now. I wonder if I can do it without taking the transmission all the away apart...again.

Thanks again
John

if anyone is interested im going to be putting up my b4.1 ft as a rtr with lipo and radio tomarrow. hit me up if interested

Already?what lipo you got?pm Me I'm looking forma
50c pack

yeah im going to sell it so i can give my kids a better christmas. i will get one at the begining of the year.

the batt is a 40c thunder power 5000mah

That was it. I switched it without pulling the trransmission off or apart.

Thanks for the help
John

No worries, glad to help Next time might I suggest you build the kit with your glasses on?

But then it would not be a challenge.

i ordered a sc10 trans assem w/ a ball diff of ebay,real good price. is there anything else i will need for the conversion? its coming as a whole assem with outdrives.

thanks guys

The B4.1 FT is completed and ready for battle! Also a quick shot of the twins together. Each has the exact same build and components.

Futaba 4PK
Futaba R604FS
Futaba BLS351
Tekin RS
Tekin Redline 13.5
Thunder Power Pro Race 50C
AMB RC4 Transponder
Associated FT 0 degree rear hubs
Associated FT alum front bulkhead
Lunsford Super Duty (3.5mm) turnbuckles
Losi RTR heavy duty black ball cups
B-Fast Pro Driver Diff/Thrust

Hi Guy's

just wanted to share my B4.1FT
Building it is a Big improvement on my B4 FT.
Very happy with the car, i hope for a better balanced chassis concerning rear end traction, compared to my B4FT.
Still have to come up with a nice design to paint the body, but here is the finished chassis ;D

Cheers
Rob

The FT T4.1 is the best truck I've driven yet, lookin at these pics makes me want a new buggy now. nice cars!

I have the identical setup...awesome pictures, btw.

For those that have the RTR B4 brushless kit, are you satisfied with the Reedy 3300kV motor? I might get one for Christmas and will eventually go brushless so not sure if its worth getting the stock Brushless or not bothering and just upgrade the regular with a stronger motor. thanks