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Old 04-20-2014, 07:51 PM   #1876
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I'm sure they are of the same quality that came with my d812 and they have been great I haven't had any go bad yet but I am about to replace with avids since its time for a rebuild.
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Old 04-20-2014, 07:52 PM   #1877
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HPI Spring Chart

http://www.hpiracing.com/en/part/113063
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Old 04-20-2014, 08:09 PM   #1878
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Here is a nice list of springs:
http://img822.imageshack.us/img822/6...borespring.jpg
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Old 04-20-2014, 08:26 PM   #1879
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trying to decide on softer spring setup for low to medium traction outdoor tracks
in 120 degree summer!
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Old 04-20-2014, 09:35 PM   #1880
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Quote:
Originally Posted by boudin4evr View Post
trying to decide on softer spring setup for low to medium traction outdoor tracks
in 120 degree summer!
I'll second that!, I noticed that Ty is using xgear red (F)/xgear white (R) on his mid traction setup, looking at the charts above the red front is 63.05 and white rear is 37.51, so going off the hot bodies spring chart the kit springs are 61.8 and kit rear 36.4. So it looks like the kit springs are slighty softer then Ty's mid traction setup which is good for me for low/mid traction I run on, it also explains why Ty runs the harder kyosho springs for high grip sugared tracks as the hotbodies might not be hard enough.....

Do I have this right?
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Last edited by Jpm1; 04-20-2014 at 09:57 PM.
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Old 04-21-2014, 08:21 AM   #1881
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Originally Posted by boudin4evr View Post
how good are the kit bearings?
i believe the bearings are fine you are probably the first to mention them
from all i have read here.

ps does this kit come in a box
5 or 15 days away,the way Amain is going about it,
it keeps going 4/25, 5/05, reminds me of a barometer
my MS Connect USB To PC Program Adapter is on the way.
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Old 04-21-2014, 09:03 AM   #1882
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Quote:
Originally Posted by Jpm1 View Post
I'll second that!, I noticed that Ty is using xgear red (F)/xgear white (R) on his mid traction setup, looking at the charts above the red front is 63.05 and white rear is 37.51, so going off the hot bodies spring chart the kit springs are 61.8 and kit rear 36.4. So it looks like the kit springs are slighty softer then Ty's mid traction setup which is good for me for low/mid traction I run on, it also explains why Ty runs the harder kyosho springs for high grip sugared tracks as the hotbodies might not be hard enough.....

Do I have this right?
I think Ty was running K springs because the HB springs weren't available yet. We had a discussion a few pages back and the kit springs should be a good mid to high traction starting point, hopefully getting the bulk of racers a good starting point. But you are right, If you are high bite you are probably going to want harder springs, low bite you will probably want softer springs than what the kit includes. All dependent on your driving style and other setup choices.

Torrance also pointed out that he measured the a set of Kyosho springs and found slightly conflicting info, most of his measurements were softer than the published ratings. I know that they can vary from spring to spring, and widely vary lot to lot (this is why Avid includes lot and measurement data for its springs) so I would put more stock in testing, rather than trying to match setups.

Quote:
Originally Posted by T. Deguzman View Post
not sure where those Kyosho spring rates came from but i never fully trust what other companies publish as their spring rates. i have a full set of the Kyosho springs and physically measured their rates. not a theoretical calculation but an actual measurement. for Kyosho orange fronts i got 62.8, Kyo orange rears i measured 39.7. then of course the yellow and other springs are softer.
I thought I updated the first page to include this info, but it looks like it either didn't save, or I was dreaming.... I update it shortly.
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Old 04-21-2014, 10:21 AM   #1883
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made my very first laps today.

track is hardpacked dirt. Bumpy, lowgrip dry and dusty.

things I have changed from box stock is:

3k rear diff
5k centerdiff
7k front diff
3mm under the ballstuds on rear camberplate.
front shockoil up to 40WT
slightly stiffer front spring. ( a blue TLR 22 SCT front spring )
got rid of the rear swaybar


next is that Im thinking of drilling a few 2x1.5 holes in the blank pistions. I wanna stay in the 27.5 to 37.5 range of oil.

car is super easy to drive. doesnt pull to much, and doesnt push either.

oh and it is a durable car for sure.

I did a few laps between a bunch of 4wd SCT's, I pushed a few of them of the track hahaha. did some cartwheeling, slamming into pipes. landed bunch of times upside down.
It took it al, and wanted more. nothing broke or bend.
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Old 04-21-2014, 10:24 AM   #1884
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Quote:
Originally Posted by boudin4evr View Post
how good are the kit bearings?
my buddy had a bearing go bad in the rear hub. the large one.
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Old 04-21-2014, 11:42 AM   #1885
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Quote:
Originally Posted by boudin4evr View Post
Did you condense that chart? The one I found on PetiteRC was nearly 2 full pages long.
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Old 04-21-2014, 11:44 AM   #1886
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Originally Posted by murky123 View Post
oh and it is a durable car for sure.

I did a few laps between a bunch of 4wd SCT's, I pushed a few of them of the track hahaha. did some cartwheeling, slamming into pipes. landed bunch of times upside down.
It took it al, and wanted more. nothing broke or bend.
I am happy to hear this, durability have been a huge problem with all my previous 4WD buggy.
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Old 04-21-2014, 11:45 AM   #1887
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murky post video!
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Old 04-21-2014, 12:01 PM   #1888
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Quote:
Originally Posted by Mopar View Post
Did you condense that chart? The one I found on PetiteRC was nearly 2 full pages long.
No I found it like that
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Old 04-21-2014, 05:18 PM   #1889
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I'm planning to drill 1.6 and 1.7 holes in the shock pistons. Can anyone recommend some drill bits? I searched a few stores and all the reviews are bad. So maybe someone has a recommendation. And it seems that it is all hand drilled and not through a mechanical drill or dremel, right?

Not sure if anyone can answer this but just in case. If I can't find drill bits, does anyone know if any other brand pistons will fit? Maybe I could just buy the right size instead.

Thanks
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Old 04-21-2014, 05:39 PM   #1890
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I'm planning to drill 1.6 and 1.7 holes in the shock pistons. Can anyone recommend some drill bits? I searched a few stores and all the reviews are bad. So maybe someone has a recommendation. And it seems that it is all hand drilled and not through a mechanical drill or dremel, right?

Not sure if anyone can answer this but just in case. If I can't find drill bits, does anyone know if any other brand pistons will fit? Maybe I could just buy the right size instead.

Thanks
I use this (from Ty's recommendation)

http://www.amain.com/product_info.ph...ston-Drill-Set

based on the reviews it only has 3 out 5 stars but it seems the reviewers didn't know about the additional collet included inside the handle.

btw if y'all want to economize on blank pistons you can make 2-hole pistons by plugging up two of the holes on the stock pistons using round wooden toothpicks and CA.
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