Drag racing on Bilstein HDs?
Drag racing on Bilstein HDs? How do Bilstein HDs work for `11.50 second / 120 mph cars? I really don't want to go with fully adjustable drag shocks.
Thanks guys,
Ben T.
Thanks guys,
Ben T.
Just wanted to say a few other things here. I've searched extensively, but haven't had the best of luck finding the information I wanted.
Sam's advice is the HDs for my car. It sees 95% street use as my daily driver and the occasional Saturday night of drag racing. Just wanted some insight from guys who mostly drag race.
Ben T.
Sam's advice is the HDs for my car. It sees 95% street use as my daily driver and the occasional Saturday night of drag racing. Just wanted some insight from guys who mostly drag race.
Ben T.
i had hd's and now i got qa-1 gen f series
the hd's definately do give a little better launch and are an overall great shock and some have even lifter the fronts on them with a good street drag tire but in comparsion to a qa-1 , well there is none imo the qa-1 are a **** load of fun and are easy to adjust.... plus you can adjust the ride height in front on the qa-1
if your car was stockish and not raced oftern id say go bilstein but if your gonna use it on a car thats gonna be raced the qa-1 are a blast and like i said you can adjust all four shocks within 15 without even jacking te car (just gotta slide under it and turn a ****)
in the end when i started modding i went the bilstein rout because i was in a similar position as you .. from that time onward i always wondered what i was leaving on the table.. not that i moved to a qa-1 i wish i woulda done it sooner personally i drive arround in my weekend car with it set on the lowest setting and think its great
the hd's definately do give a little better launch and are an overall great shock and some have even lifter the fronts on them with a good street drag tire but in comparsion to a qa-1 , well there is none imo the qa-1 are a **** load of fun and are easy to adjust.... plus you can adjust the ride height in front on the qa-1
if your car was stockish and not raced oftern id say go bilstein but if your gonna use it on a car thats gonna be raced the qa-1 are a blast and like i said you can adjust all four shocks within 15 without even jacking te car (just gotta slide under it and turn a ****)
in the end when i started modding i went the bilstein rout because i was in a similar position as you .. from that time onward i always wondered what i was leaving on the table.. not that i moved to a qa-1 i wish i woulda done it sooner personally i drive arround in my weekend car with it set on the lowest setting and think its great
I had them on all four and they sucked. Have 5 ways on the rear but need some adjustable front s cause the car won't transer any weight and I can't get it to hook even on slicks
Originally Posted by 1BADAIR
I had them on all four and they sucked. Have 5 ways on the rear but need some adjustable front s cause the car won't transer any weight and I can't get it to hook even on slicks
Ben T.
It looks like you are getting a lot (too much?) squat on the launch and looks like the front isn't transfering much weight to the rear. BTW, the picture was worth 1000 words, pardon the cliche'.
In order to get weight transfer you have to have some traction. Looks like you have more than 'some'.
How did your 60s improve with the drag shocks?
Ben T.
In order to get weight transfer you have to have some traction. Looks like you have more than 'some'.
How did your 60s improve with the drag shocks?
Ben T.
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I pulled 1.8s with the bilsteins in the rear. I have the rears full soft now to try to get it to hook since the front won't unload. I can only launch at 2800rpm without spinning. Spins at 1800rpm if the rears are set above 2. I loved the Hd's before I went drag racing. I have gone 1.60 spinning on this setup but I think I can got low 1.5 once I get the HD's off the front. Then I may be able to launch above 2800rpm and hook.
Haven't even tried to spray it yet cause of the traction issues
Haven't even tried to spray it yet cause of the traction issues
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Originally Posted by 1BADAIR
I pulled 1.8s with the bilsteins in the rear. I have the rears full soft now to try to get it to hook since the front won't unload. I can only launch at 2800rpm without spinning. Spins at 1800rpm if the rears are set above 2. I loved the Hd's before I went drag racing. I have gone 1.60 spinning on this setup but I think I can got low 1.5 once I get the HD's off the front. Then I may be able to launch above 2800rpm and hook.
Haven't even tried to spray it yet cause of the traction issues
Haven't even tried to spray it yet cause of the traction issues
Ben T.
Originally Posted by 1BADAIR
what do you mean by more comfy. The Hds will be alot stiffer
You're saying the HDs will be stiffer? This is just the opposite of what I've read/heard. I thought they were going to give me a better ride AND as an aside make the car handle better. I'm not saying you're wrong or anything. After all, out of the two of us you're the only one who has had a set of them.
Ben T.
So, what do you want for drag racing? The more I try to learn about drag shocks, the less I seem to know.
I'm making 1.76 short times with only ~320 rwhp, so I guess my car is launching well right now considering it's not making that much power. I thought adding the Bilstein HDs would allow me to launch just as well BUT with a better ride- perhaps not the more I read.
A nice ride is important, but being able to launch my car is almost just as important.
Would some of the very inexpensive Competition Engineering adjustable shocks be a better bet for me? I want drag-launching capabilites, but a cushy ride too. I don't care about carving corners. My 108K mile stock DeCarbons never have been pushed to their limit.
Any imput is appreciated. Badair, if you've access to a "shock dyno," you probably are a lot better versed in this area than I am.
Let me know if any more info is needed on my setup, here's the basics;
UMI adjustable trans mounted torque arm
My "built" 8.8" that takes abuse with a smile
Boxed factory lower control arms
Lower control arm relocation brackets
No front sway bar for the racetrack
Six speed gearbox
4.10/1 gears
New factory LS6 clutch (less than 10K miles on it)
27" ET Streets
This is my full-weight daily driver
Approximately 325 rwhp (bolt-ons)
Ben T.
I'm making 1.76 short times with only ~320 rwhp, so I guess my car is launching well right now considering it's not making that much power. I thought adding the Bilstein HDs would allow me to launch just as well BUT with a better ride- perhaps not the more I read.
A nice ride is important, but being able to launch my car is almost just as important.
Would some of the very inexpensive Competition Engineering adjustable shocks be a better bet for me? I want drag-launching capabilites, but a cushy ride too. I don't care about carving corners. My 108K mile stock DeCarbons never have been pushed to their limit.
Any imput is appreciated. Badair, if you've access to a "shock dyno," you probably are a lot better versed in this area than I am.
Let me know if any more info is needed on my setup, here's the basics;
UMI adjustable trans mounted torque arm
My "built" 8.8" that takes abuse with a smile
Boxed factory lower control arms
Lower control arm relocation brackets
No front sway bar for the racetrack
Six speed gearbox
4.10/1 gears
New factory LS6 clutch (less than 10K miles on it)
27" ET Streets
This is my full-weight daily driver
Approximately 325 rwhp (bolt-ons)
Ben T.
for drag racing you want some thing with very little front rebound dampning(extension) and a heavy compression in the front . Called 90/10 formerly. 90 % compression 10 percent rebound. The rear 50/50 is a good start.
If you want good ride and good track about the only way is with adjustables. 12 way qa1 and strange are good and double adjustable are even better. They cost alot more but are well worth it.
I have tokico 5 ways on the back of my car cause I got them very cheap and I know the tokico shock guys so I can get them revalved when/if needed.
If you want good ride and good track about the only way is with adjustables. 12 way qa1 and strange are good and double adjustable are even better. They cost alot more but are well worth it.
I have tokico 5 ways on the back of my car cause I got them very cheap and I know the tokico shock guys so I can get them revalved when/if needed.
