Schumacher Corner
Tech Elite
iTrader: (9)
what grit sandpaper was I suppose to use on the diff rings and was it suppose wet
It should be 600 sandpaper,sprey some motor cleaner on sand paper you know the rest...
@SRW
What you Clean like that?
@SRW
What you Clean like that?
Super Moderator
iTrader: (239)
Try this and let me know if it helps...
Before starting think of diff building like cooking with chicken. The black thrust lube is the chicken and if you get it on the diff balls, rings or pulley your diff will get sick and DIE!
Before I start I clean EVERYTHING with motor spray.
Before I start I clean EVERYTHING with motor spray.
Before I start I clean EVERYTHING with motor spray.
1. If you havent gotten a U1954 Tungsten Carbide Thrust Bearing get one. Its better then the one inculded in the kit.
Clean it all out and use Schumacher Black Thrust lube. Measure the outside diameter of the thrust washers. The small diameter one goes on the screw first.
Go wash your hands and get every bit grease off your fingers.
2. Sand U2408 diff rings with 600 grit wet dry on both sides using motor spray to wet the paper until you see even scorring of the rings entire surface.
Clean them with motor spray and place them on a clean paper towel.
3. Toss the ceramic diff balls. The U2459 Tungsten Carbide diff balls are smoother and longer lasting. Place the balls on a clean paper towel and CAREFULLY spray them with motor spray to get rid of any protective oil that is on them. If you spray too hard you will launch $15 of diff ball all over you room and they will be gone forever. When they are clean and dry put them in the tub of U1301 Silicone diff grease. Pluck them out and place them in your diff pully. Thats all the grease you will need.
4. Gradually tighten up the diff untill one output starts to spin opposite the other one. Gradually tighten the diff a little then spinn it a little untill you feel the diff screw has colapsed the spring washers next to the thrust bearing and it dosen't want to turn anymore.
The goal is to tighten the diff but not pit your freshly sanded diff rings.
5. Loosen the diff 1/4 turn then lock down the grub screw on the opposite side.
6. Put the diff in your car and turn everyhting on. wit the car up on a car stand. Run the car at low throttle while alternatly touching each rear wheel untill it stops. Repeat this 2-3 time per side.
The diff should be super free, super smooth and should not slip at all.
If you diff slips just once during a race it will score your rings and it will be junk. You will have to rebuild it and flip, resand or replace the rings.
The U1954 thrust will last longer than yuor kit so it will never be the cause of diff problems. The U2459 ball will survive at least 6 months or more. The only things that go bad in a diff assembled with these parts as described are the rings and you can resand them several time before you need to replace them.
Before starting think of diff building like cooking with chicken. The black thrust lube is the chicken and if you get it on the diff balls, rings or pulley your diff will get sick and DIE!
Before I start I clean EVERYTHING with motor spray.
Before I start I clean EVERYTHING with motor spray.
Before I start I clean EVERYTHING with motor spray.
1. If you havent gotten a U1954 Tungsten Carbide Thrust Bearing get one. Its better then the one inculded in the kit.
Clean it all out and use Schumacher Black Thrust lube. Measure the outside diameter of the thrust washers. The small diameter one goes on the screw first.
Go wash your hands and get every bit grease off your fingers.
2. Sand U2408 diff rings with 600 grit wet dry on both sides using motor spray to wet the paper until you see even scorring of the rings entire surface.
Clean them with motor spray and place them on a clean paper towel.
3. Toss the ceramic diff balls. The U2459 Tungsten Carbide diff balls are smoother and longer lasting. Place the balls on a clean paper towel and CAREFULLY spray them with motor spray to get rid of any protective oil that is on them. If you spray too hard you will launch $15 of diff ball all over you room and they will be gone forever. When they are clean and dry put them in the tub of U1301 Silicone diff grease. Pluck them out and place them in your diff pully. Thats all the grease you will need.
4. Gradually tighten up the diff untill one output starts to spin opposite the other one. Gradually tighten the diff a little then spinn it a little untill you feel the diff screw has colapsed the spring washers next to the thrust bearing and it dosen't want to turn anymore.
The goal is to tighten the diff but not pit your freshly sanded diff rings.
5. Loosen the diff 1/4 turn then lock down the grub screw on the opposite side.
6. Put the diff in your car and turn everyhting on. wit the car up on a car stand. Run the car at low throttle while alternatly touching each rear wheel untill it stops. Repeat this 2-3 time per side.
The diff should be super free, super smooth and should not slip at all.
If you diff slips just once during a race it will score your rings and it will be junk. You will have to rebuild it and flip, resand or replace the rings.
The U1954 thrust will last longer than yuor kit so it will never be the cause of diff problems. The U2459 ball will survive at least 6 months or more. The only things that go bad in a diff assembled with these parts as described are the rings and you can resand them several time before you need to replace them.
Tech Champion
iTrader: (42)
I'm sure you have run or been around Trackside and Harbor Hobbies (pretty much the same group of racers). It's all rubber tire freaks around here so it's competitive. I know you are in IL but where do you race? Maybe we can meet up at one of the tracks.
Tech Elite
iTrader: (74)
race
Yes I been to Trackside I make it about 3 to 4 times a year TCS,Novak rubber natts and Brads race..I run @ www.Allensrccars.com I will b at the Novak... even at the iic this year Jimmy bent bones He gave me a set of used silver cvd's 1 bent 1 not I found if u break a frt arm u bend the bone
Tech Master
Well i haven't bent or broken any Tir front driveshafts this year. Well, technically that's not trie, i did bend a bone last week - but i did run the car for teh second half of the run with a broken wishbone and casterblock - so not really a surprise.
R/C Tech Elite Member
iTrader: (47)
Yes I been to Trackside I make it about 3 to 4 times a year TCS,Novak rubber natts and Brads race..I run @ www.Allensrccars.com I will b at the Novak... even at the iic this year Jimmy bent bones He gave me a set of used silver cvd's 1 bent 1 not I found if u break a frt arm u bend the bone
Tech Champion
iTrader: (31)
Were guys @ Vegas running Prizms successfully at 55mm?
Tech Elite
iTrader: (74)
parma pse
I think but may be wrong but they ran parma's @57mm
Tech Master
iTrader: (74)
Dude, you can run the Prizms until there's no more rubber, 'til you start seeing white!
Similarity between mi2EC and mi2
Hey everyone, i got a mi2 not long ago and have a general question bout mi2EC and just a mi2 would anyone know if mi2EC parts would differ from mi2 parts. Parts such as belts, differentials and drive shafts? If i get those mi2EC parts would they fit my mi2? There are some used parts that i can get that are of a mi2EC but not sure if they would fit my mi2. Anyone know?
Cheers
Cheers
Tech Master
iTrader: (4)
The cars are very simular. The only things that are really different are the shocktowers, suspension arms, chassis/topdeck, and shocks. You shoud be able to use everything else.
Super Moderator
iTrader: (239)
actually you can use rear belt,suspension arms,shocks, cant use the chassis/top deck but everything else you can use (my old MI2 was a hybrid of the two)
though similar in appearance, there were a lot of small changes that the ec saw. the ec has:
wider pivot mounts, that necessitate different hexes and axles to get the correct wheelbase. also, the front/rear hubs have less offset as a result.
the layshaft mounts, motor mounts, and front belts are different.
shocks are different.
carbon chassis parts are different (and because of the belt issue, won't line up if switched out.)
diff bearings are different (flanged versus standard)
diffs will swap, but the ec pullies are narrower and machined (nicer).
that's what i know of off the top of my head.
- rudy reardon -
wider pivot mounts, that necessitate different hexes and axles to get the correct wheelbase. also, the front/rear hubs have less offset as a result.
the layshaft mounts, motor mounts, and front belts are different.
shocks are different.
carbon chassis parts are different (and because of the belt issue, won't line up if switched out.)
diff bearings are different (flanged versus standard)
diffs will swap, but the ec pullies are narrower and machined (nicer).
that's what i know of off the top of my head.
- rudy reardon -