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Old 04-05-2007, 12:35 PM   #18001
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One other problem I have is the rear belt seems like it is running at a slight angle, I have the diff shimmed all the way over to one side and its still slightly angled.
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Old 04-05-2007, 12:38 PM   #18002
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make sure your layshaft is in the correct way, i think with the dimple side to the right side of the car
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Old 04-05-2007, 01:38 PM   #18003
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Originally Posted by kyle "hitawall"
make sure your layshaft is in the correct way, i think with the dimple side to the right side of the car
Its in correct, what Im talking about is ever so slight. The belt is just kinda trying to ride up on the divider between the two belts just a little. Just enough the belt kinda looks tilted.
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Old 04-05-2007, 02:06 PM   #18004
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Originally Posted by chris72983
Its in correct, what Im talking about is ever so slight. The belt is just kinda trying to ride up on the divider between the two belts just a little. Just enough the belt kinda looks tilted.
There is a thin and a thick belt guide on the diff pullies for the Mi2EC. Wehn used as a rear diff both guides are pushed over to the far left and the belt run as far to the right on the pulley as it can.

If you still have an angle on the rear belt make sure the diff pulley is on the right way around. It has a shallow side and a deep side to it. Check your instruction manual for proper assembly.
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Old 04-05-2007, 02:21 PM   #18005
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Originally Posted by AdrianM
There is a thin and a thick belt guide on the diff pullies for the Mi2EC. Wehn used as a rear diff both guides are pushed over to the far left and the belt run as far to the right on the pulley as it can.

If you still have an angle on the rear belt make sure the diff pulley is on the right way around. It has a shallow side and a deep side to it. Check your instruction manual for proper assembly.
Thanks for all the help, the rear diff is assembled wrong. I dont know why I didnt look closer at that, I didnt realize it had a shallow and deep side.
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Old 04-05-2007, 04:28 PM   #18006
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Quote:
Originally Posted by chris72983
Also do you or someone else have any pics or info on the bellcrank mod? Is it worth doing?
I think Jon Kerr has some pics of that modification. I still run mine stock.
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Old 04-05-2007, 05:03 PM   #18007
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I think Jon Kerr has some pics of that modification. I still run mine stock.
Thanks. I think Im just going to stick with the stock setup also.
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Old 04-05-2007, 05:16 PM   #18008
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How tight does everyone run there front and rear belt tension on the mi2ec when running stock motors?
I removed both tensioners completely (as has everyone else I know).
The rear is recommended in the manual for Mod and 'High Grip', presumably carpet racing, but guys here running 3.5 brushless have removed them as well.

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Old 04-05-2007, 05:29 PM   #18009
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To free up the car some, I removed the spacers on the diff pullys, removed the belt tentioners, and got rid of the belt divider on the layshaft. I also sprayed out the bearings and used ACER RACING bearing oil. Not too shabby
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Old 04-05-2007, 06:27 PM   #18010
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Originally Posted by chris72983
Thanks. I think Im just going to stick with the stock setup also.
If you search this thread for Kevin K he posted some pics and I believe he was the first to do it. Others have run the car without the mod and never had a problem so I wouldn't worry too much about doing it.
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Old 04-05-2007, 08:40 PM   #18011
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hey randy... you're pretty famous!

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Old 04-05-2007, 08:59 PM   #18012
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What is the difference between the Mi2 and the Mi2EC layshaft mounts and motor mounts? I noticed that they are different part numbers but they look exactly the same. I noticed that you have to place a spacer on top of the mounts in between the mount and the top deck. Is that the difference?, are they just shorter?
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Old 04-05-2007, 09:35 PM   #18013
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There's a number of differences. The shocks, shock towers, rear hubs, steering knuckles, chassis, top deck, etc... The inner hinge pins are farther out with narrower wheel hexes to put the outer hinge pins farther into the wheel. The layshaft is lower on the EC than the std. Mi2. The layshaft mounts look similar, but they're not exactly the same. The old one's would not fit on the EC. The EC also uses the more conventional belt layout where both belts are driven off the center layshaft. The Mi2 front belt went from the rear pulley all the way to the front pulley. It made for a very free spinning drive train, but the long belt was able to stretch more and didn't accelerate as hard because of it.
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Old 04-05-2007, 09:39 PM   #18014
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Quote:
Originally Posted by Hebiki
hey randy... you're pretty famous!

He wont be running for Shumy next year...Loyalty is not one of his strong points...
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Old 04-05-2007, 09:46 PM   #18015
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He wont be running for Shumy next year...Loyalty is not one of his strong points...
Funny you should say that since I have been with Checkpoint since before their motors were for sale. Give me a good product, and be there when I need help with it, and I have no reason to go anywhere. P-Dub and Schumacher have been awesome so far and I cant see myself going anywhere for a long time.
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