stronzo

Hi guys

I heard alot of guys swapping out their gen2 trannys to the gen1.

Why is that, Is there really a big difference?

thanks

nikos2002

iTrader: (30)

I think they changed the ratio with the gen 2. Never used one - i've always used the gen 1.

Chris__RC

iTrader: (7)

Some people had broken the diff cases when they landed hard (including me). The gen1 diff is a little smoother, but you have to change the whole rear end of the truck.

action135

iTrader: (1)

like the above stated: gotta switch the case, the diff gear, axles, tplate, inner hinge plate. I may be missing something else?

it's a great idea to switch to this setup for the summer months when you'll be running outdoors, most likely on an 1/8th scale setup track. It's a lot more stout than the genII case, but you better be ready to replace hinge braces(or whatever they are called). but if you could find an old stock trinity aluminum one...

JeromeK99

iTrader: (3)

I have found just the opposite with the GenII tranny case to be much more durable. I used to break cases all time in the GenI days. I also noticed that with the GenI you go through the middle idler gears all the time. I can't remember the last time I even changed the idler gear in my BK2 over the last year of racing. I don't get the same extreme wear I did with the GenI.

Jerome

tom_chang79

iTrader: (13)

You know, I just noticed this, for anyone who weren't in the RC world, "XXXT MF Tranny" sounds like we're talking about something else...

stronzo

the whole rear end? wow
I thought it would pretty much bolt right on.
So the A-arms, axles, hubs, and bolt pattern are differnt?

mxzhonkey

iTrader: (1)

if the memory serves me correctly the arms are can be used but the arm mount and the t plate is different. the variable arm lengths can still be used

Casper

iTrader: (34)

Ok you can use the arms out. You will need to change the case, idler gear, diff gear, and pivot support (which losi makes alum now for the XXXTCR which uses the Gen1 pivot support) and t-plate. If you put longer screws through the plastic pivot with nuts on the top side this really helps with the strength of the plastic pivots. I use the alum one with longer screws and mini nuts on the top so the screws will not back out of the alum. I think you may need new inner hinge pins as well.

stronzo

Ok, so if I do this

Is it worth it?
Will the change improve the truck? Am I going to notice a difference in driving it?

action135

iTrader: (1)

i'm pretty sure the pins will be fine?

Casper

iTrader: (34)

I am not sure you will see a big effect. The MF2 configuration is a great truck. The QC rear axles are pretty convienent though.