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Old 2009.08.01, 12:17 AM   #61
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I have not tried dying them. I would just mark them with a sharpie to tell them apart. The reason why I chose white delrin was to be able to identify wear easily and be able to replace them when necessary.
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Old 2009.08.01, 12:18 AM   #62
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Tim, good to know they worked out for you Funny you say they were snug on the PN Shaft. Was there perhaps a little bit of burring left in the center hole?

Thanks for the feed back I really appreciate it guys...
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Old 2009.08.01, 04:16 AM   #63
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I ordered two and one of them was tight on the PN shaft, nothing a deburr-scraper tool won't take care of though. My car felt faster out of the corner and diff action was improved, thanks Reflex...
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Old 2009.08.01, 06:00 AM   #64
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no burr in the hole. just snug. i just ran a reamer through it
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Old 2009.08.01, 08:29 AM   #65
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interesting, about the snug fit although its better to be tight than loose in this situation but we did not come across that in testing. has anybody tried the RR spur with a complete qtec setup along with either the PN al shaft or 3r ti shaft yet? i would like to have some feedback from a PN70 car.
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Old 2009.08.01, 08:30 AM   #66
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to answere your question Tom, the dye will not effect the delrin. this brings up a point though. i think i can get grey black and white delrin.
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Old 2009.08.01, 08:39 AM   #67
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Check the OD on your PN Shafts... Make sure they are the same. These were all cut on a NASA- precision CNC Machines. I will start checking the spurs for these inconsistencies as well. Glad you all like them so far...
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Old 2009.08.01, 11:06 AM   #68
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the same drill was used for all of the parts and they were drilled at the same time so the hole sizes are all the same. so either there is a burr on the hole or the PN shaft may be on the high side of their tolerance.the drill cannot make a smaller hole its impossible but it can make a bigger hole.
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Old 2009.08.01, 12:38 PM   #69
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I am going to be building a Qteq/3Racing ti/Kyosho plate diff with Reflex balls and spurs... just need to find my shaft, I misplaced it
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Old 2009.08.01, 02:47 PM   #70
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Talking

i hate when i misplace my shaft! but the topic at hand...i'm running all qtec an the pn alum sfat as well as nitride diff balls, works awsome with the pn70t.
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Old 2009.08.01, 03:08 PM   #71
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Just got done measuring a fairly large sample of each. The Spurs vary within 0.1mm in ID, the Shafts vary within 0.1mm in OD. If you happen to get a big shaft and a small spur, this is a 0.2mm variation, which would account for them being a little tight. So neither product seems to be flawed. I much rather have tight than loose fit though.
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Old 2009.08.01, 04:08 PM   #72
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Quote:
Originally Posted by dvsstrike View Post
i hate when i misplace my shaft! but the topic at hand...i'm running all qtec an the pn alum sfat as well as nitride diff balls, works awsome with the pn70t.
so going from your normal diff to the "super" diff what driving characteristics did you notice? were you able to run faster times?
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Old 2009.08.01, 07:33 PM   #73
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I am running the full QTEQ kit with the PN aly shaft. I tried both spurs on this same shaft and found one snug and one that fit nicely. I agree it is just tolerance overlap, I'd rather have them slightly snug and finish to fit than loose. I found that I didn't have to crank down on the diff as much and the car accelerated better. My diff has a bit more noise than I did with the PN 53T. I changed pinions and still had the gear noise, a little quieter though. I will have to fit up my other spur gear and see how noisy that one is. Both my pinions are used, the second one has very few laps though. I will try a new pinion as well.
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Old 2009.08.02, 12:21 AM   #74
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just wanting to check if these new spurs will fit on a Kyosho MR-01 diff shaft also?

thanks, bob
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Old 2009.08.02, 03:55 AM   #75
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They are going to make a little more noise than the plastic ones if not meshed correctly because the material is much harder, this is just a property of harder materials.

As for fitting the MR01 diff, It should, I can't think of why it would not work.
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