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Old 02-13-2009, 05:48 AM
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Originally Posted by Core Creations View Post
I know you'll hear otherwise on here...mostly from those that run with more power than a silver can. But I shim mine rather than use the AW grease. The grease, even though thick, it will heat up and sneak out of the gear case and make a mess. I use 2-3 shims per side where they call for 1 on each side in the instructions. It makes a tight diff without completely locking it.
you are referring to ball diff right?
what is the thickness of shims you are using?

Thanks
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Old 02-13-2009, 06:58 AM
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doriftu,

No he is talking about a gear diff. The extra shims slow the action down. If you are going to do this, it would be a good idea to get the hardened diff outdrives. You use the extra shims from the gearboxgear sets. An extra two or three each side.

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Calvin.
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Old 02-13-2009, 10:40 AM
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Yep, that's correct. Here's another tip if you are using shims to stiffen the gear diff action: use a little glue to attach the first shim to the inside of the gearcase, and a little lube between the shims. That way the shims will rub against each other, and the gear case (which is pretty soft) will last longer. You can also run the first shim dry, but just a teeny spot of glue on a new, clean case works much better. Or you can replace the gearcase every four or five weekends as the plastic wears away...
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Old 02-13-2009, 10:58 AM
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OK guys, last call on Red Dots for about the next two months.

We're finishing the production run now and will be shipping over the weekend and next week, but there will be no more Red Dots available after that until at least mid-April. Most of this run has already been pre-sold and prepaid, but there are still a few left.

So if you want one of these babies for the TCS race in Frederick, MD on March 15th, for the Trackside TCS on March 28th-29th, or for the start of your club racing season, let me know right away.

Motors are still only $45US each plus shipping ($6 within the USA for one motor, $10 for two or more; international shipping is quoted on request). Best way to pay is through PayPal- my id is [email protected] the same as my e-mail address. Feel free to ask any questions via e-mail.


Thanks

Doc
Red Dot Motors
When too much power feels...just about right!
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Old 02-13-2009, 07:19 PM
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Originally Posted by Kevin CBR View Post
Thank you !

This is the body I will be building the chassis for.

Nice Bodies. Wanna part with one?
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Old 02-14-2009, 11:58 AM
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Originally Posted by Core Creations View Post
I know you'll hear otherwise on here...mostly from those that run with more power than a silver can. But I shim mine rather than use the AW grease. The grease, even though thick, it will heat up and sneak out of the gear case and make a mess. I use 2-3 shims per side where they call for 1 on each side in the instructions. It makes a tight diff without completely locking it.
hey buddy, picture speak a thousand words....i photo would be great,

thanks in advance.
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Old 02-14-2009, 10:51 PM
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wonder why tamiya discontinued m04m, it finished 1st at 2006 tcs north america final
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Old 02-14-2009, 11:49 PM
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Just because it won a TCS race doesn't mean the kits are selling like hotcakes.
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Old 02-14-2009, 11:51 PM
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They've only discontinued the Miata/MX5, if you still want one an M04M is still available as the Alfa Giulia Sprint.
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Old 02-15-2009, 01:57 AM
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Originally Posted by superspeed View Post
wonder why tamiya discontinued m04m, it finished 1st at 2006 tcs north america final
Buy one and set it up then come back and post your experience. Reminder Tamiya only has two types of tires legal for the 2009 season and neither one of them are any good on an M04 unless you have old compound tires (pre 2007) meaning the 2006 winner (Troy) said his car worked and therefore took a gamble and he shot out front every start and with the 10% additional gearing the M04 has he was able to stay out front. Thats what he told me when we spoke 2 years ago at the Nats.
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Old 02-15-2009, 02:04 AM
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In a gear diff i use the plastic body washers for shims the lexan material for some reason works better for me. I use a metal and lexan washer on each side and the when I build the diff i adjust the screws to how tight I want the diff its almost like an adjustable diff. I put it in the car slap the two chassis halves together turn the wheels oposite each other and if its not tight enough I screw in the 3 screws that hold the cover on its a cool little technique that works pretty good. But keep in mind I just built a TA03 ball diff and a Gear diff that was not fully packed with anti wear grease but just enough to keep the gears well greased and the TA03 ball diff weighed 19 grams and the Ball diff weighed 28 grams almost a 3rd more in weight
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Old 02-15-2009, 07:02 PM
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Originally Posted by Sydewynder View Post
Nice Bodies. Wanna part with one?
Sorry, one is for me and the other for a fellow Mazda nut who works at Tamiya. I have the original 787B kit, now the RX-7 and a Miata in the Renown paint scheme to complete all the Mazda's Tamiya has made.
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Old 02-16-2009, 06:29 AM
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Hey guys check this out....
http://www.tamiya.ca/58000%20series/58427.htm
http://www.youtube.com/watch?v=FoF2QkdwSG4
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Old 02-16-2009, 08:58 AM
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Originally Posted by portyansky View Post
That very well could be the gayest music I have ever heard in a RC commercial or maybe any commercial at that. But the car is cool.
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Old 02-16-2009, 09:59 AM
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Hi guys, my son and I are building mini coopers to compete in the TCS races in milwaukee wisconsin. I need to know what would be a good servo to use in the coopers, hopefully a digital servo.

Thanks for any help.

Larry
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