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Hpi Pro 4

Old 02-08-2006, 02:27 PM
  #13861  
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Thanks for the input guys. I have the Hara kit, so I already have the light weight input shafts. I will look into getting the alu camber link and perhaps I'll see some other stuff at the store that will catch my eye.

Any further hop up suggestions are welcome.

Ira
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Old 02-08-2006, 02:45 PM
  #13862  
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Originally Posted by iblumberg
Thanks for the input guys. I have the Hara kit, so I already have the light weight input shafts. I will look into getting the alu camber link and perhaps I'll see some other stuff at the store that will catch my eye.

Any further hop up suggestions are welcome.

Ira
maybe the CF front bumber brace.
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Old 02-08-2006, 03:01 PM
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I'm curious about the comments on the bevel gears.

Are the stock ones o.k. for stock and 19 turn?

I run indoors on carpet with foams, diffs at each end. Are some guys having issues with the gears with hotter motors or just under certain running conditions?

Greg
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Old 02-08-2006, 03:02 PM
  #13864  
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Get the carbon shaft made by EWippler Almost half the weight of the stock alloy and twice the durability. I converted one of my beat up stock ones for about $25. He has a thread here somewhere.
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Old 02-08-2006, 05:13 PM
  #13865  
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I wasn't aware of anyone having problems with the bevel gears.
More than anything, it the large diff gear that gets broken in a crash due to drivetrain shock or from poor shimming and flex.

i was looking to get the alu one-piece gears because they'd have less slop. it eliminates another stupid spring pin. how much louder do they run compared to the plastic gears?

To answer your question, i run a GTB 5.5R and i've never had problems breaking diff gears. That includes some of my unplanned off-track excursions. i did however break one or two when i first got the car and has some gears improperly shimmed. one of those was also one of the first gen. gears which are much thinner on the outer rim than the updated versions.
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Old 02-08-2006, 07:31 PM
  #13866  
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Angryasian,

Thanks for the info. I am probably a little behind the times on this car. I just got one in a trade last week and started reading this thread to get up to speed.


Greg
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Old 02-08-2006, 10:49 PM
  #13867  
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Originally Posted by rc-zombies
maybe the CF front bumber brace.
Thanks, I already got that, the HPI CF drive shaft, the alu spring perches, the delrin pivot balls, the delrin 5x8x2.5 bearing adapters and the alu shock balls on my last trip.

Ira
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Old 02-09-2006, 07:05 AM
  #13868  
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Greg, If the diffs are not shimmed right then you will strip some gears.
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Old 02-10-2006, 04:06 AM
  #13869  
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Default battery packs

do you guys put the cell in the car before putting glue between cells. soo the battery pack will fit perfect in the car.
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Old 02-10-2006, 04:12 AM
  #13870  
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Default servo mounts

hara edition servo mounts are too high. what do you guys think.
time to pull out the dremmel.
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Old 02-10-2006, 05:02 AM
  #13871  
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Lord shado,

I put my cells in, soldered the battery bars on and then lightly shoe gooed them. If you try to use too much glue, when it dries it shrinks and will move the cells out of alignment even with them in the car and the battery strap in place.

A light bead of glue dries quicker too so just do the top of the cells and in an hour or so you can flip them over and do the other side.

Greg
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Old 02-10-2006, 05:36 AM
  #13872  
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Originally Posted by LORD SHADO
hara edition servo mounts are too high. what do you guys think.
time to pull out the dremmel.
Get the jet racing aluminum mounts. Fits perfect in my car
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Old 02-10-2006, 07:08 AM
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hot glue works best
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Old 02-10-2006, 09:03 AM
  #13874  
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Originally Posted by LORD SHADO
hara edition servo mounts are too high. what do you guys think.
time to pull out the dremmel.
they're supposed to be layed down so they're not high.
like this... l --> __
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Old 02-10-2006, 09:08 AM
  #13875  
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Originally Posted by LORD SHADO
hara edition servo mounts are too high. what do you guys think.
time to pull out the dremmel.
do you have it mounted correctly? I have no problem with it.
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