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It looks light brown... Not black. The best part is that if applied right, it won't infiltrate the diff. It goes on watery and then thickens up. I put it on top shaft and counter gear. It's made to not spin off rotating parts. Good stuff.

I also use it on squeaky door hinges in the house,

Some other weight savings! Of interest is the standard plastic top plate is lighter than the carbon fiber one! The arms are near the same weight, but the shock towers are much lighter in carbon!

Top plates

Carbon



Stock



Arms

Carbon Fr



Stock Fr



Carbon R



Stock R

Now check out the towers!

Carbon Fr



Stock Fr



Carbon R



Stock R

really watching your weight eh Rod

Need to update this build as I have finished it and not posted all the pics!

So I'm still using the vented slipper disk on the back side of the slipper!




Steel front axles 5.1g



Titanium front axles 3.0g

Stock steering bell crank assembly with bag is 7.8g



Aluminium is oddly enough lighter at 7.4g



Now the front stock bulkhead is very light at 4.7g



The sweet blue aluminium FT bulkhead is a heavy 9.8g but I want some of my extra weight forward and low!

Great info! I would only suggest you not use the aluminum bulkhead. You never want weight that far forward or inline with axels.... Think of putting a case of water towards the front of a shopping cart..hard to turn. You will want to add weight in the area of the servo.

Just a note: the stock shock towers are beefier because they are thickened up areas on them to make them stronger. The B4.2 shock towers will be even heavier because there is even more plastic added to them, but that is a running change in the part number. If you take a close look at many of your parts, you will find that a lot of them are beefier.

Might be good to note in your timeline.

Panhead383 wrote:Great info! I would only suggest you not use the aluminum bulkhead. You never want weight that far forward or inline with axels.... Think of putting a case of water towards the front of a shopping cart..hard to turn. You will want to add weight in the area of the servo.

That's because your trying to turn the wrong end nose weight helps rear rotation and mid corner steering

Panhead383 wrote:Great info! I would only suggest you not use the aluminum bulkhead. You never want weight that far forward or inline with axels.... Think of putting a case of water towards the front of a shopping cart..hard to turn. You will want to add weight in the area of the servo.

Reggie beat me to it

Thanks for all the advice guys! I take everything into consideration! I will be changing parts around when I get out to the rebuilt track for testing!

Sean, I did notice a change in the molding of the parts, but would love to know when this took place? I think the later B4 or the B4.1?

I'm pretty sure they started in B4.1 kits.

Reason for the carbon parts is not weight but they are far more rigid for use on high bite tracks. Weight is not a huge deal as we ALL add weight to the cars to make them more consistent. We have been adding weight to the car since 4 months after it came out in 03' .

been Eying to get one, but maybe the 4.2, but just want to ask, what would be the benefit of using the graphite parts against the composite one? is the graphite stronger?i heard that the graphite tends to break easily as compared to the composite one.the composite one tends to flex first then when it reach its breaking point, it will snap . As for the graphite, it tends to snap... dont know if this is true but would surely want to know based from experience of guys on here.

The pros of using Carbon are light weight and on suspension, more significantly, less unsprung weight! Used in high traction situations, quicker response! The cons would be less traction and easy to break!

The pros of composite are harder to break, flex for more traction on loose rough tracks. More forgiving to drive and not as twitchy as carbon! The cons would only be weight! But as you can see in my pictures, the weight difference in the new design arms and the older design carbon arms are not significant, .1g!

In the end it's just a tuning aid and used based on track conditions! On my local track I will probably be using the composite arms and the lighter composite top plate!