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Hpi Pro 4

Old 08-06-2004, 06:22 PM
  #6766  
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If there is a ver.1.1 sticker pasted on your box, then you will know you have the updated gears.
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Old 08-06-2004, 08:16 PM
  #6767  
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Default Re: new gears

Originally posted by csilve
I just bought a new kit. How do I know if it has the updated gears?
it will include a purple diff plate for the new gears to be used for the oe-way.
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Old 08-07-2004, 01:39 PM
  #6768  
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I still have to call HPI for the gears...

Can't wait till my new pro-4 stuff to get here...

i spent over 1 grand canadian in this thing now!
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Old 08-07-2004, 06:37 PM
  #6769  
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Originally posted by Super Steve
I still have to call HPI for the gears...

Can't wait till my new pro-4 stuff to get here...

i spent over 1 grand canadian in this thing now!
Yeah iam going to call Hpi this week to get the upgrade gear kit for the Pro4 got 2 Pro4s to get them for hope they are not out of stock.
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Old 08-07-2004, 06:39 PM
  #6770  
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Heard that the one way gear will brake without the upgrade kit?

Last edited by NoChanceRacing; 08-08-2004 at 07:14 AM.
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Old 08-07-2004, 09:46 PM
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Originally posted by NoChanceRacing
Heard that the one way gear will brake without the upgrade kit? when going into the pipes
I've broken about three of the original oneway gears, but I have gone several races without any problems to the original gear. It's just a part of racing to break parts. HPI can't engineer indestructibility into the car. Anything will break when going into pipes. Work on your driving and you won't have to work on the car.
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Old 08-08-2004, 07:08 AM
  #6772  
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Yeah ive had no problems with the car or the one way braking only thang we had go wrong with the pro4 is the diffs were slipping but we fixed that problem so the car is awesome now just heard something about the one way braking. we had the pro4 for like 4-5 months now. nothing broken yet! i guess because havent crashed yet pro4 is on a rail so much!
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Old 08-08-2004, 12:40 PM
  #6773  
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the nut under my steering plate that holds the left toe link ball studs keeps on scratching the "F/R" toe pivot blocks on the front end.

the f/r block was pressed forward evenly with two fingers while being tightened, and the steering wipers were new parts so what gives?

the left side of the plate seems to swing closer than the other(on max. point) as the right side nut doesnt get half as close when its at its closes pt to the block.

thanks guys


heres an attchmnt.
Attached Images
File Type: bmp
stplate.bmp (121.5 KB, 181 views)
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Old 08-08-2004, 12:59 PM
  #6774  
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Default PRO4 Differential Parts

here is the listing of parts needed
someone posted this picture


One diff bolt, One diff bolt cover, One T-nut (6575)
One diff spring (6582)

for those who needs to know...

as for the steering rack problem, i don't think mine touches the F/R block
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Old 08-08-2004, 02:22 PM
  #6775  
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What is most likely to have happened is that you have bent the F/R toe block somehow, which is causing it to catch on the steering. Mine also slightly does this on the opposite side, it must be when you take some hard hits it just bends it back slightly.
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Old 08-08-2004, 03:17 PM
  #6776  
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or you could have a bent screw causing the block to be pushed back ,ihad the same problem and I replaced the block and the screws
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Old 08-08-2004, 03:22 PM
  #6777  
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Yeah most likely the f/r toe block is bent like skill said. You could take it out and put it flat on your tweak board or what ever and see if it sits flat or compare to the other block. hope that helps.
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Old 08-08-2004, 03:29 PM
  #6778  
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Originally posted by rc_square24
the nut under my steering plate that holds the left toe link ball studs keeps on scratching the "F/R" toe pivot blocks on the front end.

the f/r block was pressed forward evenly with two fingers while being tightened, and the steering wipers were new parts so what gives?

the left side of the plate seems to swing closer than the other(on max. point) as the right side nut doesnt get half as close when its at its closes pt to the block.

thanks guys


heres an attchmnt.

It"s bent.. Replace it.. ... both the Screws and the F/R block
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Old 08-08-2004, 03:47 PM
  #6779  
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Another Ackerman question. I was looking at set up sheets from HPI, there is a field to add a spacer in-between the servo saver arm and the carbon fiber Ackerman plate. So what affect would this have? If I put a 1mm washer in between the arm and plate will this add steering or decrease it? Thank for all your help.
Snowy.
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Old 08-08-2004, 06:26 PM
  #6780  
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Ramon,

Looks like the Losi Race is cancelled...
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