Another "Help me with my ladder bar setup thread! (w/ video)
Posted: Tue Jun 17, 2014 12:08 pm
Quick Rundown.
79 rx-7
Turbo 5.3 LS engine
Traps around 150
Car is 2800lbs with me. I’m sure it’s nose heavy don’t have the ability to weigh it on 4 corner scales.
1.76 Glide with trans. brake
3.25 gear 9” rear
28x12 MT drag radial
Both rear shocks are at 70/30 full firm with 150lbs springs.
Adjustable competition engineering ladder bars
Oem struts up front. (stuck with it for now!)
Should be able to put this video on 1080p and slow it down to .25 to really see whats happening
https://www.youtube.com/watch?v=AdA0Ip4 ... e=youtu.be
From what I’m told and have seen in pictures the car launched nice and straight. Previous owner was pretty much my exact height/weight. 6’4 and about 210 lbs. This chassis originally had the forward sway bar installed, I removed it. Other than that the suspension hasn't been touched. I’m thinking of reinstalling it to help with the front end “twist”. Is this a big mistake? Should I be looking at trying to straighten the twist with the rear suspension and some sort of front end limit strap instead? I did drop the tire size 1", and switch from a slick to a drag radial. Currently the pass. side wheel barely leaves the ground while the driver side comes up quite a bit.
I believe the car is setup neutral at this point. Ladder bars appear to be level. Car pulls left on the launch. But doesn’t pull left down the track, almost like it points left initially then tracks straight if that makes sense. Should I only adjust the ladder bar preload if it constantly tracks to one direction? I seem to be hitting the tires well initially, then tracking left out of the “groove’ and spinning 20ft out or so.
Included some old pics that how how straight the car picked up the front. And how much twist I'm getting now.
I tried lowering the front mount location one notch and have not been back to the track yet. Any input much appreciated.
Thanks!
79 rx-7
Turbo 5.3 LS engine
Traps around 150
Car is 2800lbs with me. I’m sure it’s nose heavy don’t have the ability to weigh it on 4 corner scales.
1.76 Glide with trans. brake
3.25 gear 9” rear
28x12 MT drag radial
Both rear shocks are at 70/30 full firm with 150lbs springs.
Adjustable competition engineering ladder bars
Oem struts up front. (stuck with it for now!)
Should be able to put this video on 1080p and slow it down to .25 to really see whats happening
https://www.youtube.com/watch?v=AdA0Ip4 ... e=youtu.be
From what I’m told and have seen in pictures the car launched nice and straight. Previous owner was pretty much my exact height/weight. 6’4 and about 210 lbs. This chassis originally had the forward sway bar installed, I removed it. Other than that the suspension hasn't been touched. I’m thinking of reinstalling it to help with the front end “twist”. Is this a big mistake? Should I be looking at trying to straighten the twist with the rear suspension and some sort of front end limit strap instead? I did drop the tire size 1", and switch from a slick to a drag radial. Currently the pass. side wheel barely leaves the ground while the driver side comes up quite a bit.
I believe the car is setup neutral at this point. Ladder bars appear to be level. Car pulls left on the launch. But doesn’t pull left down the track, almost like it points left initially then tracks straight if that makes sense. Should I only adjust the ladder bar preload if it constantly tracks to one direction? I seem to be hitting the tires well initially, then tracking left out of the “groove’ and spinning 20ft out or so.
Included some old pics that how how straight the car picked up the front. And how much twist I'm getting now.
I tried lowering the front mount location one notch and have not been back to the track yet. Any input much appreciated.
Thanks!