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Old 02-23-2006, 10:27 PM   #16
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Use the starting ratio that is recommended with the truck. Remember this it is better to be a little higher than a little lower. The lower you go the hotter your motor and GTB will get. Your gonna love it. It is super fast.
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Old 02-24-2006, 10:07 AM   #17
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Thanks very much
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Old 02-24-2006, 10:51 AM   #18
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I am gearing the GTB 6.5 taller than the chart recomends on a tight, high bite track with no fan. In a B4 recomended gear is 17-18/81 I am running 20/81. I know of a guy that runs 21/78 on a lower bite larger track. I got mine to thermal after 8 minutes geared 21/81 with no fan and no vents in the body but with 20/81 I can run hard for 12+ minutes with no thermal issues.

I think the Bk2 gearing chart is mistaken. The stock spur in a Bk2 is a 78t, not an 81. That should bring the recomended gearing back in line.
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Old 02-24-2006, 01:21 PM   #19
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I have the same doubt. Will my Schulze U-Force 75/ Hacker 6 combo be too much for a MF2? I'm going to be running 3700's.
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Old 02-24-2006, 03:16 PM   #20
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No, the Schultze system is great, but I would suggest using the Plettenburg motor instead. The Hacker has just about too much torque...

Just in case you were interested, I ran the Schultze/Plettenburg setup in the MF2 you just bought from me.
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Old 02-24-2006, 03:37 PM   #21
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Oh, I even forgot who I bought the system from, LoL. The system works awesome on my onroad car. But I might also run it in an off-road car. How much does the Plettenburg motor cost?
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Old 02-24-2006, 06:34 PM   #22
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Quote:
Originally Posted by The_Stig
You can never be too fast

you never to fast or to much wheel spin

you just need good throtle control

but really why not? just learn throttle control and stuff, and zoom up and down your street stuntin you stuff!

(wo that sounded increadbly white)
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Old 02-25-2006, 08:17 AM   #23
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Hi
I finished to install my GTB today. I was afraid it would be tight under BK2 body but it is ok. Only remove the spacers under the fan and move up the rear of the body with spacer under the body mount. Notice was right, i should use a 82T spur gear because with the 78T the motor touch the transmission case and the gear mesh is not good.
Here are some pictures


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Old 02-25-2006, 10:22 AM   #24
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Looks good. That thing is gonna fly! I had the 5.5 in my bk2 and it will pull wheelies all day long even on ice! LOL. Hey if you have any problems with glitching tell me.
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Old 02-25-2006, 11:13 AM   #25
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Thanks. Not tested yet, i don't have 82T spur gear. Already ordered, i will receive it next week. Anyway it is raining today and probably tomorow also.
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