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Old 07-28-2009, 07:22 PM   #3181
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Just about everyone at my home track runs a solid, with very little issues with belt wear. It gives you the good on power punch out the corner and still have brakes. You can probably tune for more turn in if you really need it.

Weather you run the solid, one way or diff, you can probably tune the car to whatever driving style you prefer, so no huge worries there!
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Old 07-28-2009, 10:49 PM   #3182
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Originally Posted by Riketsu View Post
Like serpent? Can you post pics and the size of the bearings???
You have to drill the holes for the outdrives to 8mm and put two 5 x 8 x 2.5mm bearing in each diff housing. the outer bearing sits flush and the inner is pushed in 1.5 mm to allow for the o-ring.
If done correctly, the diff spins really free w/o oil.

Didn't know that Serpent had bearings in the diffs. Which car?
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Old 07-28-2009, 10:54 PM   #3183
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You have to drill the holes for the outdrives to 8mm and put two 5 x 8 x 2.5mm bearing in each diff housing. the outer bearing sits flush and the inner is pushed in 1.5 mm to allow for the o-ring.
If done correctly, the diff spins really free w/o oil.

Didn't know that Serpent had bearings in the diffs. Which car?
720 i believe
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Old 07-29-2009, 12:02 AM   #3184
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720 i believe
No,not the 720. That I am sure of, since my buddy has one
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Old 07-29-2009, 12:15 AM   #3185
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what viscosity ( tigthness ) comparison to normal silicon oil filled gear diff ?

what grade of reliability we can expect from using ball diff setup ?
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Old 07-29-2009, 01:12 AM   #3186
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what viscosity ( tigthness ) comparison to normal silicon oil filled gear diff ?

what grade of reliability we can expect from using ball diff setup ?
I run 100 k fron t and 50 k rear.
The advantage with the ball bearins is, that the diff action stays completely consitant.

The diff gets quite warm when racing and the plastic tends to expand, which makes the outdrives turn much harder.
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Old 07-29-2009, 06:01 AM   #3187
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No,not the 720. That I am sure of, since my buddy has one
I just disassembled a friend's rear 720 diff. It does have a bearing on the outdrive. I checked the instruction manual, and doesnt say anything about it. It doesnt even show how to mount the outdrives in the diff
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Old 07-29-2009, 09:00 AM   #3188
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Originally Posted by Pattojnr View Post
fronts should be 2mm smaller
typo guys oops my bad ill fix my post

just crossed checked my car after a 20min final i started with the following:

Front 61mm
Rear 63mm


end of race at 20mins:

Front 58mm
Rear 58mm

Is this good tyre wear? for 20min or bad?
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Old 07-29-2009, 09:31 AM   #3189
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Not bad for a 20 minute run.
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Old 07-29-2009, 06:38 PM   #3190
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Not bad for a 20 minute run.
I think its Sam, the OS engine i bought off you is one little ripper mate - its going strong still.... we are doing some mods to the engine, like crank porting and very minor sleeve porting - hopefully to give it some more poke, not that it doesnt already LOL......
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Old 07-29-2009, 08:18 PM   #3191
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I think its Sam, the OS engine i bought off you is one little ripper mate - its going strong still.... we are doing some mods to the engine, like crank porting and very minor sleeve porting - hopefully to give it some more poke, not that it doesnt already LOL......
Yes it's me Frank, I'm glad you are happy with your engine.
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Old 07-29-2009, 09:09 PM   #3192
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Originally Posted by Nupe05 View Post
Good day gents.
New Mtx 4r owner here.. Im relatively new to the nitro scene, so take it e-z on me, I have a chance to get a Ninja mr12-T01 kit for a nice price, or should i go with the Nova 353 09 , 2630 pipe, with small manifold combo.. Just looking for the best bang for buck,

thanks in advance
anyone else want to chime in? also i can get 353 08/2630 combo for $350..new.. this is my first nitro.. all suggestions greatly appreciated

thanks
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Old 07-29-2009, 09:22 PM   #3193
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Originally Posted by Nupe05 View Post
anyone else want to chime in? also i can get 353 08/2630 combo for $350..new.. this is my first nitro.. all suggestions greatly appreciated

thanks

I would go with the Nova combo....
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Old 07-30-2009, 01:23 AM   #3194
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anyone else want to chime in? also i can get 353 08/2630 combo for $350..new.. this is my first nitro.. all suggestions greatly appreciated

thanks
might be too quick for a begineer, just my 2cents worth - did you know the OS TZ is a very budgetable engine, very easy to tune and lots of poke in the bottom end and top with the right car / exhaust & driver...

Nova price is very very cheap, whats the deal with this? anyone can shed light on if these knows are worth the $$$

Cheers
Frankie
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Old 07-30-2009, 05:46 AM   #3195
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Originally Posted by Nupe05 View Post
anyone else want to chime in? also i can get 353 08/2630 combo for $350..new.. this is my first nitro.. all suggestions greatly appreciated

thanks
The nova would be the go for the $$$ but apparently the new 2652 nova pipe gives these engines a bit more bottom end and better run time too!
If you go the nova, add a 2652 to your shopping cart!
I have the 09 in mine and the speed is awesome!
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