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Old 02-14-2016, 06:36 PM   #6751
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I was able to get maybe 10 runs on mine when it decided to shred the teeth off of them. I did notice that my 3x5m button head screws were protruding some and may cause it but will have to put in shorter screws.


Also if the screws are too long they will bite the pulley gears and can put a sharp edge on them as well.Because the gears are such a small diameter you can screw them up over the edge of the pulley gear and as such will put a sharp edge on the aluminum gear too. So if your using long screws go back and check the pulley gears as well.
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Old 02-14-2016, 07:17 PM   #6752
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Does anyone have a 2015 BD7 for sale?
I have a brand new BD-7 2015 in the box that hasn't been built yet that I'd be willing to let go for a killer deal. PM me for details .

-Korey
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Old 02-14-2016, 11:30 PM   #6753
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Not that i run mod only 13.5 but when running the titanium screws they do not prodrude at all.

I still think its more of a skipping issue.
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Old 02-15-2016, 12:45 AM   #6754
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I am having the same issue. I'm certain that my rear belt is not touching the spur gear mount screw, as they do not protrude into the pulley at all. With all that said, I'm usually having to replace the rear belt each race day. It's just simply not holding up. Noticeable signs of delamination and shredding after the first run in open modified. I run the belt tension very firm. My only conclusion as to the cause of this, is due to the smaller pulley sizes on the '16 from the '15. The belt simply doesn't have enough wrap around the drive pulley(spur gear pulley) to keep it from skipping under load. Perhaps if the belt was wider, it would have a greater surface area on the pulley and wouldn't skip as often and increase longevity of the belt.
We run in open mod and have no issues with the rear belt. The belt tensioner is run one notch looser than standard position and we have no problems with wear or skimping.
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Old 02-15-2016, 01:09 AM   #6755
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^^^^^ I run mine the same with zero issues in modified.
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Old 02-15-2016, 01:40 PM   #6756
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when i look at the belt alignment on the pulleys ,on my car the layshaft is out forcing the belts to rub on the shoulder making the belt thinner,i race 17.5 so its not the power causing the issue,dodgy layshaft mount maybe? ill see if loosening the layshaft screws and pushing the spur back and retighten,see if it helps
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Old 02-16-2016, 05:56 AM   #6757
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when i look at the belt alignment on the pulleys ,on my car the layshaft is out forcing the belts to rub on the shoulder making the belt thinner,i race 17.5 so its not the power causing the issue,dodgy layshaft mount maybe? ill see if loosening the layshaft screws and pushing the spur back and retighten,see if it helps
the end of the layshaft has two flats, make sure one of the flats is postioned to lay squarely on the mount otherwise it will shift it outwardly or even pointed in the non-square direction.

Both of my 16s have the belts running in the center of the diffs. Neither car build took any special massaging for masterful fit.
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Old 02-17-2016, 04:57 AM   #6758
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Does anyone have a solid/split mount chart showing all the different combinations?

Width and toe angels etc?
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Old 02-17-2016, 05:39 AM   #6759
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This?

http://site.petitrc.com/reglages/yok...hubsExplained/
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Old 02-17-2016, 05:44 AM   #6760
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Thanks I had found that one but it didn't appear to show all the mounts?
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Old 02-17-2016, 06:22 AM   #6761
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Does anyone have a solid/split mount chart showing all the different combinations?

Width and toe angels etc?
http://www.teamyokomo.com/download/m...ngle_chart.pdf

Short susp mounts
http://www.teamyokomo.com/download/m...hart_short.pdf
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Old 02-17-2016, 10:39 AM   #6762
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bd7 16 1st and second first dry meeting with the car and i won this final,i didnt have a fan and i tweaked the timing so towards the end the motor was dropping off due to heat
im in the blue car being chased by the orange 16,i was happy with this as my tyres had 4 runs on the before the finals,2nd and 3rd had new boots on

https://www.youtube.com/watch?v=J8_LIyundkM
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Old 02-17-2016, 12:33 PM   #6763
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Perfect many thanks for your help
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Old 02-17-2016, 12:40 PM   #6764
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Any good 17.5 setup for high traction carpet "CRC black carpet"
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Old 02-18-2016, 08:13 AM   #6765
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OK ordered my BD7 2016 car kit today and will have it next Thursday. Will have to see if this one is a dream to drive compared to my TRF419.

Have lots of options in the mail also: Alum Bellcrank set, steering bridge brace, Ti turnbuckles, Blue Shock Orings, Black Shock Bladders, Ti Nitrided Shock Shafts, Aluminum Chassis.
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