How bad is the Eibach Pro Kit for drag racing?
06-20-2010, 12:23 AM
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How bad is the Eibach Pro Kit for drag racing? Ive got the car in sig with 315 dr's putting down well over 500rwhp. Am I going to have a horrible 60' time and are these springs to soft that I will risk damaging something on the launch? I do have a set of stock springs i could throw in but I dont really want to get rid of the lowered look.
06-20-2010, 06:25 AM
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From someone that has had a prokit on my car before I particularly think they are way too soft. I could be wrong but I thinky they're rated at 132 lbs. I didn't have them long before I went to some 160 lb.er's from ground control. Even the Eibach "drag" springs are too soft. They induce squat which is not productive to an effective launch. A good launch at the track really comes from the front suspension and lots of articulation.
The prokit slams the rear pretty hard.
On the strip you will most likely get way too much squat. Stocker springs (140 lbs.) with the isoloters removed and some rubber hose around the top coil would be better honestly. I don't think you'll damage anything with the prokit, that's what bumpstops are for, and if you get a good hook you'll probably hit them.
Lemme guess, you removed your bumpstops for 315's? If you did than don't get it. You'll likely hit a rear fender, bend it, or slash up your tires with any weight in the back. I personally hate a prokit for anything other than looks.
Bilstein's aren't a bad all around shock and they dampen the prokit alliright. Although some custom valved ones would be better.
Soft rear springs make these cars drive like ***. I hope this helps your decision.
The prokit slams the rear pretty hard.
On the strip you will most likely get way too much squat. Stocker springs (140 lbs.) with the isoloters removed and some rubber hose around the top coil would be better honestly. I don't think you'll damage anything with the prokit, that's what bumpstops are for, and if you get a good hook you'll probably hit them.
Lemme guess, you removed your bumpstops for 315's? If you did than don't get it. You'll likely hit a rear fender, bend it, or slash up your tires with any weight in the back. I personally hate a prokit for anything other than looks.
Bilstein's aren't a bad all around shock and they dampen the prokit alliright. Although some custom valved ones would be better.
Soft rear springs make these cars drive like ***. I hope this helps your decision.
Last edited by joblo1978; 06-20-2010 at 06:47 AM.
06-20-2010, 11:52 AM
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Well the thing is I bought the car with the eibach springs already
on it. I do still have the bump stops on. Is there a possibility that I could send my tq arm through the floor with too soft of a spring?
on it. I do still have the bump stops on. Is there a possibility that I could send my tq arm through the floor with too soft of a spring?
06-20-2010, 01:37 PM
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From someone that has had a prokit on my car before I particularly think they are way too soft. I could be wrong but I thinky they're rated at 132 lbs. I didn't have them long before I went to some 160 lb.er's from ground control. Even the Eibach "drag" springs are too soft. They induce squat which is not productive to an effective launch. A good launch at the track really comes from the front suspension and lots of articulation.
The prokit slams the rear pretty hard.
On the strip you will most likely get way too much squat. Stocker springs (140 lbs.) with the isoloters removed and some rubber hose around the top coil would be better honestly. I don't think you'll damage anything with the prokit, that's what bumpstops are for, and if you get a good hook you'll probably hit them.
Lemme guess, you removed your bumpstops for 315's? If you did than don't get it. You'll likely hit a rear fender, bend it, or slash up your tires with any weight in the back. I personally hate a prokit for anything other than looks.
Bilstein's aren't a bad all around shock and they dampen the prokit alliright. Although some custom valved ones would be better.
The prokit slams the rear pretty hard.
On the strip you will most likely get way too much squat. Stocker springs (140 lbs.) with the isoloters removed and some rubber hose around the top coil would be better honestly. I don't think you'll damage anything with the prokit, that's what bumpstops are for, and if you get a good hook you'll probably hit them.
Lemme guess, you removed your bumpstops for 315's? If you did than don't get it. You'll likely hit a rear fender, bend it, or slash up your tires with any weight in the back. I personally hate a prokit for anything other than looks.
Bilstein's aren't a bad all around shock and they dampen the prokit alliright. Although some custom valved ones would be better.
Soft rear springs make these cars drive like ***. I hope this helps your decision.
06-21-2010, 09:34 PM
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im really afraid that if i run at the track with these springs they are going to be too soft and that i will send my body mount tq arm through the floor. Is this a possibility? I was told this by someone else who seemed to know there ****. but i was also told differently by another reputable person.
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06-22-2010, 06:29 PM
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im really afraid that if i run at the track with these springs they are going to be too soft and that i will send my body mount tq arm through the floor. Is this a possibility? I was told this by someone else who seemed to know there ****. but i was also told differently by another reputable person.
I've never ever seen a torque arm go through a floor, and I've seen some let go violently. Matter of fact, a local guy had a torque arm snap and banged the tunnel hard enough to set off the airbags, but it didn't penetrate. My bet, and I'm willing to place a cash wager, is that it will 60' like **** and you have nothing to worry about.
