Originally Posted by gansei

i changed rear upper arm long time ago. ^^

because rear upper arm movement is not smooth.

kyosho 6.8 ball end + K-Factory 6.8 ball (cut head) + washer

But bolt must be not lock tightly in rear nuklearm portion to smooth upper arm movement.

pls see my rear upper arm picture. ^^

Originally Posted by gansei

i used kyosho 700 oil front/rear in kawahara cup.

front/rear shock piston is same as 1.2 X 2 hole.

normally i used 50k~70k in My G4S.

my carbon setup boards is order production in korea carbon company.

it is not market product.


and i cut off 2mm front sus arm and 2mm rear sus arm..

over all.. i reduced wheel Base 4mm...

so my G4S can turn in corner quickly.


this is my setup in kawahara cup A-main Final.


width: front 196mm, rear 200mm

diff: front 50000, rear 40000 (kyosho oil)

shock: front / rear all 1.2X2hole, kyosho 700

sprint: front mugen gray(1.8mm), rear mugen dark blue(1.8mm)

downstop: front 2mm, rear 4.5mm
toe: front out 1.5, rear in 2.5

camber: front 2.5 , rear 3.5

height : front 5mm, rear 9mm
shock position: front 3rd from top, rear 2nd from top

tire: kawahara 37

body: sturatus 3.1

stebil: front flat(0), rear mugen 2.3mm

tire diameter : front 62.5mm rear 65mm



i want this information will be useful data to Serpentd.

have a nice race... good luck to my metal friend!!

Originally Posted by Danjr

A rookie problem,

I have just been runnin my new motor & G4S in and I have a clutch problem I think. When I put the car on the ground and give the engine a bit of throttle the car doesn't move. Do I need to adjust the clutch - tighten/loosen etc. Or is it something else.

I know this is probaby a very basic question but its easier to ask the gurus than rip stuff to bits and fault find when I just want to go fast!!!!

Originally Posted by Danjr

A rookie problem,

I have just been runnin my new motor & G4S in and I have a clutch problem I think. When I put the car on the ground and give the engine a bit of throttle the car doesn't move. Do I need to adjust the clutch - tighten/loosen etc. Or is it something else.

I know this is probaby a very basic question but its easier to ask the gurus than rip stuff to bits and fault find when I just want to go fast!!!!

Originally Posted by Serpentd

Dude, what color clutch spring are you using? (bright yellow?) Also, how many threads are showing after you tightnen down the clutch spring? It sounds as though your clutch spring is TOO TIGHT. Clutches have a learning curve bro, so post away. Like you said, better to learn properly rather then screw stuff up. Which can happen easily with the clutch. Anyway, loosen the clutch spring until 1/2 to 1 thread is showing. Also, if you breakng in your engine, you will have WAY less power so you may need to back off the spring even more until you have the engine broke in properly. Please take your time with the engine break in, as a good break in will have much more power and last a LOT LONGER! It's hard to keep patients when your at this stage, but DO NOT rush dude! Let us know where you are with engine break in and your clutch settings so we can nail this down for you.

Originally Posted by revo523

Serpentd where will be a good site where a can buy some fastkolor paint and the liquid mask?

Originally Posted by Danjr

A rookie problem,

I have just been runnin my new motor & G4S in and I have a clutch problem I think. When I put the car on the ground and give the engine a bit of throttle the car doesn't move. Do I need to adjust the clutch - tighten/loosen etc. Or is it something else.

I know this is probaby a very basic question but its easier to ask the gurus than rip stuff to bits and fault find when I just want to go fast!!!!

Originally Posted by CraigM

How does the G4S compare to mtx4s and serpent 720s?

Originally Posted by Lycan

Speaking of clutches...

What would cause the clutch to slip for a while then engage? The car is accelerating really smoothly but lacks that sudden engagment/acceleration and the engine sounds like its holding or maintain one certain rev range before the clutch finally grabs.

Running black spring with red upgrade shoes, etc and both weights with 0.7mm gap and 1.23mm tension. If find the less tension on the spring, the worse it gets but 1.23mm seems excessive.

Andrew