17nut

iTrader: (60)

well thanks for the help but i already got the mip shafts gonna have to try them hope i get the season out of them

KJT4

What size spur/pinion are you running

air8

iTrader: (7)

I put the B4,B44 rear hubs on my T4 just to have the larger bearings. I'm not sure if the GT2 hubs will work. I'll try them out when I get home tomorrow.

As for the CVD's bending, I've only bent them after crashing. I haven't noticed the shafts being weak or anything. I've always replaced them when bent because it seems to really accelerate the wear/tear on the rear hubs and bearings. Plus when I've bent them back to straight there seems to be extra vibration which causes the wear/tear of course.

adam lancia

iTrader: (2)

I think the GT2 rear hubs have 1.5* of toe-in built in on top of the toe-in at the rear arm mount.

KJT4

If anyone is thinking about getting a LRP Vector X-11 5.5 turn I just put mine in my truck because the eraser was to slow and all i can say is HOLY SHIT!!!!!!!! This thing rips the front tires off the ground on my street when the thing isnt spinning uncontrolably. I would def not advise this motor for offroad use without some gear changes. Im running 19/87 pinion spur.

air8

iTrader: (7)

I use the Novak 5.5 Velociti in my T4 and it's great. I love the power. I run on indoor high bite track. So I can actually use the power.

i1justin

iTrader: (20)

hey guys, im on a FT T4 build and already having issues with the steering rack, The bearing does not fit flush in the servo saver screw and I cant remember if it did or not the last time I did this, I cant seem to get the steering to be very free moving, how free should it be. If i hold it on its side will the steering assembly fall to the bottom? Thanks guys

cpatel529

iTrader: (80)

Hey guys.. I have a gearing question.

Our track has a restriction that we cant run higher than 19 tooth pinions on our stock trucks. I am running a 13.5 Orion Vortex. What spur gear would you suggest? Our track is a smaller, indoor clay (med traction) track. I currently have it at 78/19.

air8

iTrader: (7)

I would say you have an issue there. I've not had that problem before. I did have a problem with the steering rack hitting the front top bulk head though. The steering rack should move freely like you are thinking. Maybe look closely to see if the parts have been machined incorrectly. Sorry I can't help.


Never heard of a limit on the pinion size before. I believe 78 tooth spur is the lowest associated spur made for the off-road vehicles. Maybe check Kimbrough or Robinson Racing for some other sized spur gears. You'll have to find out if a smaller than 78t spur will still reach the 19t pinion. The motor plate might have to be modified so the motor can move closer to the spur gear.

i1justin

iTrader: (20)

ya thats what I thought, bummer

17nut

iTrader: (60)

gotta have the steering linkage set up perfect too IMO thats the most crucial part of the t4 when you get your front end slop to 0 then the t4 perfoems the best

AChupp2

iTrader: (24)

Does anybody know what the largest pinion is that will fit on the T4 with a 78tooth spur gear?

i1justin

iTrader: (20)

yeah I am using the LOSI extra rigid ball cups to take out the rest of slop but can someone look at their servo saver and see if the bearing shows a bit above the blue screw or is it flush mounted.
Thank you

hobbipro

iTrader: (23)

The motor plate is the same on the B4/T4. A 34T pinion is the max that will fit with a 78 spur. I just put one on with a speed passion 13.5 in my B4. The motor is all the way back with no room to spare. Someone needs to make a 70t spur for these 17.5 and 13.5's since recommended ratios are in the 5.0-6.5 range.

hobbipro

iTrader: (23)

Losi makes a 76T spur, wonder if it will fit on the Associated shaft, and then use losi slipper pads. Another idea might be to use a standard Kimbrough spur with Traxxas friction pegs in place of the pads.