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Old 03-18-2015, 05:48 AM   #7591
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Has anyone tried diff oils like 7-7-3 ?
why such high centre diff oil weight? like 100,000 or 500,000
my losi scte worked really well with 7-7-3
the diffs in the 15 are all the same size , I'm not able to get to the local track and sus it out atm so just wondering if anyone has actually tried a lower centre diff weight than the recommended it doesn't make sense to me.
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Old 03-18-2015, 08:30 AM   #7592
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Has anyone tried diff oils like 7-7-3 ?
why such high centre diff oil weight? like 100,000 or 500,000
my losi scte worked really well with 7-7-3
the diffs in the 15 are all the same size , I'm not able to get to the local track and sus it out atm so just wondering if anyone has actually tried a lower centre diff weight than the recommended it doesn't make sense to me.
this is not an scte......
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Old 03-18-2015, 10:42 AM   #7593
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Is that how you have 150000000 posts
by replying with useless comments?
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Old 03-18-2015, 11:20 AM   #7594
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Originally Posted by TPR 1 View Post
Has anyone tried diff oils like 7-7-3 ?
why such high centre diff oil weight? like 100,000 or 500,000
my losi scte worked really well with 7-7-3
the diffs in the 15 are all the same size , I'm not able to get to the local track and sus it out atm so just wondering if anyone has actually tried a lower centre diff weight than the recommended it doesn't make sense to me.
For some reason the higher it is for the middle diff on the xb4'15 the better. My buddy is running 80,000 on a medium clay track and likes it, but others are saying the center diff grabs better with the higher weight oil. What you mentioned works best in a 1/8 scale buggy.
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Old 03-18-2015, 12:08 PM   #7595
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Is that how you have 150000000 posts
by replying with useless comments?
Quite funny , but I have to agree with him, different cars handle way different as to which diff oils to run , way too many variables.
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Old 03-18-2015, 12:35 PM   #7596
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Old 03-18-2015, 02:01 PM   #7597
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Hey guys,

I am running a XB4 2013 on a high traction, very bumpy carpet track.
I was sick of replacing the diff gears every 5-6 meets, so late last year I purchased the metal gearing front and rear. After 1 meet my front bevel has 3 teeth completly missing, I had not changed the slipper or braking. and now the rear is missing 1 tooth!

I have gone back to the plastic gearing but wondering if the 2015 gears fit the 2013? Or if there is something im doing wrong?

I know one of my friends was thinking of shimming the bevel closer to the diif gear, could this be an option?

Thanks in advance
Metal ring gear and pinion is from the 15's only. Unless you are running internal metal gears. Then I run the d413 center internal gears.

Yes, it all interchanges. for example, You can run 13 front arms on your 15, if you push them forward with the spacer anyway.

Try a center gear diff, or lower punch level. Sounds like you are landing on the throttle, diff to tight, or to much traction in general.
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Old 03-18-2015, 02:49 PM   #7598
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Originally Posted by Daniel Kies View Post
Hey guys,

I am running a XB4 2013 on a high traction, very bumpy carpet track.
I was sick of replacing the diff gears every 5-6 meets, so late last year I purchased the metal gearing front and rear. After 1 meet my front bevel has 3 teeth completly missing, I had not changed the slipper or braking. and now the rear is missing 1 tooth!

I have gone back to the plastic gearing but wondering if the 2015 gears fit the 2013? Or if there is something im doing wrong?

I know one of my friends was thinking of shimming the bevel closer to the diif gear, could this be an option?

Thanks in advance
Yes, the new steel 35T bevel and steel 14T pinion gears from the 2015 fit into the 2013. That's what I did. No shimming necessary so far. I built it shimmed and it was tight mesh when I ran it on the bench, it was noisy and notchy, so I removed the shims, all good.

As well your slipper sounds too tight and ya gotta let off the throttle when you land-and no jumping the tile drainage pipe that outlines the track!
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Old 03-18-2015, 03:34 PM   #7599
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What's up guys, haven't been on in a while. Been racing every weekend though, even worked my way up into the top of the club A mains, along with a win or two. The class has been strong at club races, with 12-17 cars and A/B mains. My local track (RC Excitement) just did a new supercross layout for a big Tekin Supercross trophy race next week, and it definitely suits my style, as it is more like what I build on my own outdoor track, big jumps and tricky rythms. It's gonna be a fun couple months there! Still have a few feet of snow on my track, slowly but surely it's melting. We broke the all time snowfall record in the Boston area this winter with 108.6", can't wait for outdoor and 1/8!
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Old 03-18-2015, 03:52 PM   #7600
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Yes, the new steel 35T bevel and steel 14T pinion gears from the 2015 fit into the 2013. That's what I did. No shimming necessary so far. I built it shimmed and it was tight mesh when I ran it on the bench, it was noisy and notchy, so I removed the shims, all good.

As well your slipper sounds too tight and ya gotta let off the throttle when you land-and no jumping the tile drainage pipe that outlines the track!
Something else must be wrong. Faulty gears or mesh. The plastic 2014 gears lasted longer than that.
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Old 03-18-2015, 06:53 PM   #7601
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What's up guys, haven't been on in a while. Been racing every weekend though, even worked my way up into the top of the club A mains, along with a win or two. The class has been strong at club races, with 12-17 cars and A/B mains. My local track (RC Excitement) just did a new supercross layout for a big Tekin Supercross trophy race next week, and it definitely suits my style, as it is more like what I build on my own outdoor track, big jumps and tricky rythms. It's gonna be a fun couple months there! Still have a few feet of snow on my track, slowly but surely it's melting. We broke the all time snowfall record in the Boston area this winter with 108.6", can't wait for outdoor and 1/8!
What's up Kevin! Glad to see you survived all the snow. I know a couple people whom live in Boston and they have sad it has been brutal. Definitely made traveling out of Logan a bit of a problem.
Whom ever does not know Kevin and RCGod brought the hanger issue out into the light and thus was a crucial reason for this issue being addressed. With that being so a big thanks again to Kevin and RCGOD. Not to mention they are also very helpful in answering all kinds of questions regarding the XB4, set-up, parts etc.
Kevin we have had it easy here in Wisconsin regarding snow and have been lucky to get an early spring jump, as the snow has been gone for quite a while due to daily highs ranging from 50 to 70. Tracks are being prepped for the outdoor season.
Hope the snow melts away and the ground dries up so you all can get your outside season going soon.

Best,

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Old 03-18-2015, 10:59 PM   #7602
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Something else must be wrong. Faulty gears or mesh. The plastic 2014 gears lasted longer than that.
The slipper slips for about 1 metre and not landing with power on (Try to). Could be faulty gears but being Xray.....wouldn't think so
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Old 03-18-2015, 11:28 PM   #7603
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Originally Posted by TPR 1 View Post
Has anyone tried diff oils like 7-7-3 ?
why such high centre diff oil weight? like 100,000 or 500,000
my losi scte worked really well with 7-7-3
the diffs in the 15 are all the same size , I'm not able to get to the local track and sus it out atm so just wondering if anyone has actually tried a lower centre diff weight than the recommended it doesn't make sense to me.
Really liking 7 100 5 atm, 100 is almost as punchy as the slipper but with the edge taken off, and it drives way better in the corners...
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Old 03-18-2015, 11:58 PM   #7604
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The slipper slips for about 1 metre and not landing with power on (Try to). Could be faulty gears but being Xray.....wouldn't think so
If you have to worry about not being on power when landing then that's a problem. They're steel gears, they should take whatever we throw at them. Like I said the plastic ones held up better.

It's harder to make gears than rear toe blocks and look what happened there. Lol.
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Old 03-19-2015, 12:16 AM   #7605
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If you have to worry about not being on power when landing then that's a problem. They're steel gears, they should take whatever we throw at them. Like I said the plastic ones held up better.

It's harder to make gears than rear toe blocks and look what happened there. Lol.
that's what I thought....last forever....I will keep to the plastic until Xray come up with a better idea cheers
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