Xray XB4 thread
#7156
To covert the Xray 'dot' into a more typical spring rate in Lbs., multiply the "c" rating of the spring by 5.71.
So, a rear spring is a 1 dot, or c=.35, so .35x5.71=1.99! That's 2lbs. TLR yellow. Boom. Or go to the chart about and pick your favourite manufacturer and get their equivalent to 2lbs. I run TLR LF springs in the back, which is white. Up front I run Xray 2 dot.
So, a rear spring is a 1 dot, or c=.35, so .35x5.71=1.99! That's 2lbs. TLR yellow. Boom. Or go to the chart about and pick your favourite manufacturer and get their equivalent to 2lbs. I run TLR LF springs in the back, which is white. Up front I run Xray 2 dot.
#7157
Quick Question?
Any need for aftermarket diff o-rings? or are the 15 kit diff o-rings gtg?
Best,
Any need for aftermarket diff o-rings? or are the 15 kit diff o-rings gtg?
Best,
#7158
Just let them soak in oil before assembly and they will keep your diffs leak free.
Most important thing is to not over tighten the small screws for the diff housings.
Over tightening these will cause both leaks and improper meshing of the internal gears as the diff will expand under load.
This is also the no. 1 reason for people having problems with the internal diff gears.
Bent
#7159
Tech Rookie
Bent
Could you please explain to me how the composite diff gears give more traction in low grip conditions as I don't understand how this works. I am considering building a 2015 car with the old composite crown and pinions for a slippy track.
Thanks
Could you please explain to me how the composite diff gears give more traction in low grip conditions as I don't understand how this works. I am considering building a 2015 car with the old composite crown and pinions for a slippy track.
Thanks
#7160
Tech Apprentice
iTrader: (5)
Graphite composite gears?
I had the first release of this chassis...and we did have a lot of issues with the cases...not only leaking...but easily breaking too in collisions. A lot of us went out and replaced the gears with a metal alternative from an onroad car (I think it was an NT1 or something). Has that been abandoned...and this new composite is fine? I'm unsure of the benefit in dumping money on gear material...when the issue is with the user (tightening)
#7161
Tech Regular
Looking at getting a xb4 was wondering about the pro's and cons of this wheeler?
#7164
Tech Regular
#7165
#7166
I had the first release of this chassis...and we did have a lot of issues with the cases...not only leaking...but easily breaking too in collisions. A lot of us went out and replaced the gears with a metal alternative from an onroad car (I think it was an NT1 or something). Has that been abandoned...and this new composite is fine? I'm unsure of the benefit in dumping money on gear material…when the issue is with the user (tightening)
We actually prefer the heavier steel bevel and satellite gears for the diffs when running in low grip conditions. We find the added inertia from the added weight of the gears make it easier to be aggressive without making the buggy nervous.
We always use the hardened alu. diff pins when building diffs though and for the 35T bevel gear we use the aluminum one for the lighter weight (compared to steel) and added durability.
The graphite and steel bevel & satellite gears are nothing new as these have been around for quite a while as option parts for the NT1 and T4 series of vehicles.
The XB4 now has a whole range of different materials to pick and choose from for building the diffs.
These different materials allows you to further fine tune your XB4 to match both different track conditions as well as your driving style and personal preferences.
The graphite parts are the lightest and will have the least amount of resistance while the steel counterparts will be the heaviest.
We pick and choose from these materials to build diffs that both last and give that right feel on the different tracks
Bent
Diff. 35T bevel gear:
#364935 Graphite
#364945 Aluminum
#364955 Steel
Bevel & satellite gears:
#304931 Graphite
#304930 Composite
#335030 Steel
Diff. pins:
#304980 Composite
#335081 Alu. hard coated
#335080 Steel
Last edited by BentKa; 02-15-2015 at 09:16 AM.
#7167
The only thing I would suggest to get is front inner hinge pins and front arms...
One never nows when a pole will jump in front of you!!!! lol
Other wise great car so glade i waited for the 15 to come out!!
Even though the issues were handled professionally ...thanks xray!!!
One never nows when a pole will jump in front of you!!!! lol
Other wise great car so glade i waited for the 15 to come out!!
Even though the issues were handled professionally ...thanks xray!!!
#7168
Tech Regular
I find the outdrives only really wear if you don't change the drive shaft pins often enough, keep an eye on those & you'll stop most wear on the outdrives.
#7169
We actually prefer the heavier steel bevel and satellite gears for the diffs when running in low grip conditions. We find the added inertia from the added weight of the gears make it easier to be aggressive without making the buggy nervous.
We always use the hardened alu. diff pins when building diffs though and for the 35T bevel gear we use the aluminum one for the lighter weight (compared to steel) and added durability.
The graphite and steel bevel & satellite gears are nothing new as these have been around for quite a while as option parts for the NT1 and T4 series of vehicles.
The XB4 now has a whole range of different materials to pick and choose from for building the diffs.
These different materials allows you to further fine tune your XB4 to match both different track conditions as well as your driving style and personal preferences.
The graphite parts are the lightest and will have the least amount of resistance while the steel counterparts will be the heaviest.
We pick and choose from these materials to build diffs that both last and give that right feel on the different tracks
Bent
Diff. 35T bevel gear:
#364935 Graphite
#364945 Aluminum
#364955 Steel
Bevel & satellite gears:
#304931 Graphite
#304930 Composite
#335030 Steel
Diff. pins:
#304980 Composite
#335081 Alu. hard coated
#335080 Steel
We always use the hardened alu. diff pins when building diffs though and for the 35T bevel gear we use the aluminum one for the lighter weight (compared to steel) and added durability.
The graphite and steel bevel & satellite gears are nothing new as these have been around for quite a while as option parts for the NT1 and T4 series of vehicles.
The XB4 now has a whole range of different materials to pick and choose from for building the diffs.
These different materials allows you to further fine tune your XB4 to match both different track conditions as well as your driving style and personal preferences.
The graphite parts are the lightest and will have the least amount of resistance while the steel counterparts will be the heaviest.
We pick and choose from these materials to build diffs that both last and give that right feel on the different tracks
Bent
Diff. 35T bevel gear:
#364935 Graphite
#364945 Aluminum
#364955 Steel
Bevel & satellite gears:
#304931 Graphite
#304930 Composite
#335030 Steel
Diff. pins:
#304980 Composite
#335081 Alu. hard coated
#335080 Steel
Also I run on low-medium grip dirt and we have a bumpy sweeper and all through the sweeper the rear end is all over the place because it bounces and also at different parts of the track. I've already tried smaller hole pistons in the shocks in the rear to try to give the rear more pack and it's still not getting the job done. Any suggestions?
Last edited by blwaz23; 02-15-2015 at 09:57 AM.
#7170
Tech Rookie
We actually prefer the heavier steel bevel and satellite gears for the diffs when running in low grip conditions. We find the added inertia from the added weight of the gears make it easier to be aggressive without making the buggy nervous.
We always use the hardened alu. diff pins when building diffs though and for the 35T bevel gear we use the aluminum one for the lighter weight (compared to steel) and added durability.
The graphite and steel bevel & satellite gears are nothing new as these have been around for quite a while as option parts for the NT1 and T4 series of vehicles.
The XB4 now has a whole range of different materials to pick and choose from for building the diffs.
These different materials allows you to further fine tune your XB4 to match both different track conditions as well as your driving style and personal preferences.
The graphite parts are the lightest and will have the least amount of resistance while the steel counterparts will be the heaviest.
We pick and choose from these materials to build diffs that both last and give that right feel on the different tracks
Bent
Diff. 35T bevel gear:
#364935 Graphite
#364945 Aluminum
#364955 Steel
Bevel & satellite gears:
#304931 Graphite
#304930 Composite
#335030 Steel
Diff. pins:
#304980 Composite
#335081 Alu. hard coated
#335080 Steel
We always use the hardened alu. diff pins when building diffs though and for the 35T bevel gear we use the aluminum one for the lighter weight (compared to steel) and added durability.
The graphite and steel bevel & satellite gears are nothing new as these have been around for quite a while as option parts for the NT1 and T4 series of vehicles.
The XB4 now has a whole range of different materials to pick and choose from for building the diffs.
These different materials allows you to further fine tune your XB4 to match both different track conditions as well as your driving style and personal preferences.
The graphite parts are the lightest and will have the least amount of resistance while the steel counterparts will be the heaviest.
We pick and choose from these materials to build diffs that both last and give that right feel on the different tracks
Bent
Diff. 35T bevel gear:
#364935 Graphite
#364945 Aluminum
#364955 Steel
Bevel & satellite gears:
#304931 Graphite
#304930 Composite
#335030 Steel
Diff. pins:
#304980 Composite
#335081 Alu. hard coated
#335080 Steel
When it comes to the 14T bevel gear, purely from a grip point of view, would you choose to use the steel gear (2015) or the composite gear (2013 & 2014) again if durability wasn't a concern.
Thanks