Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post - Help with suspension setup, for a Drag day

Master Chief · 02-20-2009, 01:20 PM

Hi guys.

I am not too much into Drag racing, and my car is mainly built for Dirft/Road racing, but there is an upcoming event, and i wanted to try my luck.

Its a S14, SR20DET, 2L, with 457hp and 380lb/ft at the hubs.
Its has Tein Flex suspension and all Kazzama rods etc, Mazworks Z32 box and CF one piece shaft.
Enkei RPF1 17x9.5 front and 17x10 rear, with Dunlop Dirreza Z1 Star spec, 235/40 front and 255/40 rear.

I was thinking of changing to the rear OEM suspension, to have the car softer, and set it to the stiffest at the front.

What else can i do ?
I heared that disconnecting the REAR stabilizer links, would greatly help.
I allso heard something like that about the fronts as well, but i cant see the logic in that.

Can anyone explain, how would dissconecting the Links (Front or Rear) help ?

Another thing i was wondering about, is the pressure i should be running on the rear and front.... As these are basicly street Gtip tires, and not DRAG - i guess the stiff side wall would not be ideal, but still - thats what i have now.

I would allso try to set up my Haltech's launch controll - but not sure to what launcj RPM i should aim for.
Any ideas ???

Any estimation to what times i should be looking for with the above setup ?

Thanks.

02-20-2009, 01:20 PM	#1
Master Chief Zilvia Junkie Join Date: Feb 2006 Location: Israel Posts: 332 Trader Rating: (3)	Help with suspension setup, for a Drag day Hi guys. I am not too much into Drag racing, and my car is mainly built for Dirft/Road racing, but there is an upcoming event, and i wanted to try my luck. Its a S14, SR20DET, 2L, with 457hp and 380lb/ft at the hubs. Its has Tein Flex suspension and all Kazzama rods etc, Mazworks Z32 box and CF one piece shaft. Enkei RPF1 17x9.5 front and 17x10 rear, with Dunlop Dirreza Z1 Star spec, 235/40 front and 255/40 rear. I was thinking of changing to the rear OEM suspension, to have the car softer, and set it to the stiffest at the front. What else can i do ? I heared that disconnecting the REAR stabilizer links, would greatly help. I allso heard something like that about the fronts as well, but i cant see the logic in that. Can anyone explain, how would dissconecting the Links (Front or Rear) help ? Another thing i was wondering about, is the pressure i should be running on the rear and front.... As these are basicly street Gtip tires, and not DRAG - i guess the stiff side wall would not be ideal, but still - thats what i have now. I would allso try to set up my Haltech's launch controll - but not sure to what launcj RPM i should aim for. Any ideas ??? Any estimation to what times i should be looking for with the above setup ? Thanks.