rust_stang

I heard that people at the track run rear air bags.. 5lbs drivers side and 12lbs passenger side. Can someone please explain what these airbags are/how they help? and link me to them for a fox body stang.

WhiteWindsor

When you see a car launch hard which front tire would you say come's up more. The drivers side do's. That means the pass side rear is squating more. I have a bag on the pass side, it's the only one that's really needed. With the bag on pass side it helps for a more even launch.

rust_stang

haha nice. so just 12lbs on the passenger side would be good? could you link me to the part, because i cant find it.

nitrous_bob

i used 8 pounds in my '89 it worked great...any more and it will start to raise that side and look uneven.

they are universal....you just get a bag that goes inside the coil spring, and a lentgh of tubing...you drill through the trunk and put the valve there.

call detroit speed shops http://www.detroitspeedshops.com if you need help

rust_stang

last thing. does it acually help ALOT? i'm building the car to run mid to low 13's. Does it really need it. Because I could use the money on other mods but just someone at the track told me i should get the bags.

nitrous_bob

$25-$30 for a single bag

and yes i think it does...BUT...if you can cut 1.6X 60 foots now...then don't bother ...but if you are in the 1.8X + range then yes i would do it

rust_stang

So just 8lbs in the passenger side and thats it????? Also im guess i'll be at high 1.8 60ft's. I don't think you can really cut 1.6's with a 13 second pass can you?.

Here is my mods so far for good 60 ft's:

-no sway bars
-no A/C
-no spare tire and jack
-front 4 cyl springs, rear 5L
-90/10 struts, 50/50 shocks
-4.10 gears
-weld rodlites racing rims, 15x8 rear, 15x4 front.
-26x10" goodyear slicks rear, skinnies up front.

nitrous_bob

a bone stock 5.0 5 speed on 4.10's and 5k launch can cut 1.65-1.69 all day long

on cheaters w/ a 3500 launch more like 1.72-ish

my '89 was setup similar to you now...it pulled of13.20's @ 102and 12.50's spraying 75 dry

don't shortsell yourself , full slicks you can hit 12's on a big launch
and yes...8 psi was good for me. play w/ it at the track though...you might see a little diff w/ diff pressure

rust_stang

Well I've got a C4 tranny with a STOCK converter! I think the max rpm i'll be able to lauch at is 2 grand or so.

nitrous_bob

hmmmm...air bag might not do much, when you get a 3500+ stall it should though