Best rear springs for drag racing?
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Best rear springs for drag racing?
I'm looking into lowering my car's 60ft time at the track and want to change the rear springs. I've already researched this plenty but can't come up with answers. Car gets consistent 1.6's and I want better! Currently has LS1 Sportlines but am currently debating getting rear Eibach drag racing springs or would just getting rear v6 springs perform just as good?? Would Strano springs perform just as good for drag racing as Eibach drag racing springs? Car is a street/strip car not my daily driver, already has rear adj. suspension and DanaS60 prepping it to spray off the line! What would you guys recommend for best performance at the track is what I want to know?
#2
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There's alot of guys running stock LS1 springs and cutting some crazy short times. At the same time there are guy's running some crazy short times on BMR's and Stranos as well. I cut 1.5's on my Stranos all day long, I see no reason to swap them out. IMO the Sportlines are junk, I would toss them for a Strano or BMR spring (if you want the car lowered out back) and a set of drag shocks which would be quite beneficial. If you don't mind the car having a stock-like ride height just run some stock LS1 springs.
I don't think the V6 springs work as well as stock LS1 springs atleast that's what I was told, but don't quote me on that. I'm also pretty sure the Eibach drag springs are a waste of money. The Sportlines are probaly a small hinderance upfront as well so I'd toss them all together if it were me.
I don't think the V6 springs work as well as stock LS1 springs atleast that's what I was told, but don't quote me on that. I'm also pretty sure the Eibach drag springs are a waste of money. The Sportlines are probaly a small hinderance upfront as well so I'd toss them all together if it were me.
#3
Launching!
I have Eibach springs all around. Lowered about 1-1/2
With a UMI adjustable TQ arm I've recently cut a 1.44
on 10" x 28" Hoosiers. And I still have the 10 bolt.
Car is full weight.
With a UMI adjustable TQ arm I've recently cut a 1.44
on 10" x 28" Hoosiers. And I still have the 10 bolt.
Car is full weight.
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There's alot of guys running stock LS1 springs and cutting some crazy short times. At the same time there are guy's running some crazy short times on BMR's and Stranos as well. I cut 1.5's on my Stranos all day long, I see no reason to swap them out. IMO the Sportlines are junk, I would toss them for a Strano or BMR spring (if you want the car lowered out back) and a set of drag shocks which would be quite beneficial. If you don't mind the car having a stock-like ride height just run some stock LS1 springs.
I don't think the V6 springs work as well as stock LS1 springs atleast that's what I was told, but don't quote me on that. I'm also pretty sure the Eibach drag springs are a waste of money. The Sportlines are probaly a small hinderance upfront as well so I'd toss them all together if it were me.
I don't think the V6 springs work as well as stock LS1 springs atleast that's what I was told, but don't quote me on that. I'm also pretty sure the Eibach drag springs are a waste of money. The Sportlines are probaly a small hinderance upfront as well so I'd toss them all together if it were me.
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For drag racing you don't want the back end to squat you want it to lift up. With a proper working suspension the space between the fender and the tire will increase when you launch, squatting just absorbs energy. With my Stranos and the rest of the car's suspension my car lifts properly on the launch but that's because the rest of the suspension is working right.
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It's beneficial to have them all around but that doesn't mean you have to do them all at once. Afco's are probaly the best out there but they are the most expensive. IMO the Stranges are the best bang for the buck, second best to Afco and a tad cheaper and better quality than the QA1's. Out back you could also run some cheap Competition Engineering 3-ways that run $45 a piece and work suprisingly well. All depends on how much you want to spend. I personally went with the Strange's upfront and Comp. Engineering out back because I was on a strict budget but I would have gone Afco if I had money to burn.
For drag racing you don't want the back end to squat you want it to lift up. With a proper working suspension the space between the fender and the tire will increase when you launch, squatting just absorbs energy. With my Stranos and the rest of the car's suspension my car lifts properly on the launch but that's because the rest of the suspension is working right.
For drag racing you don't want the back end to squat you want it to lift up. With a proper working suspension the space between the fender and the tire will increase when you launch, squatting just absorbs energy. With my Stranos and the rest of the car's suspension my car lifts properly on the launch but that's because the rest of the suspension is working right.
Last edited by conde'strans; 04-15-2010 at 03:04 PM. Reason: error
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#8
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No problem man! I ordered my Stranges from Eric (ssvert99) at Midwest Chassis & Performance. He is a sponsor on here and offered the best price I could find. The part number for the single-adjustables (what I have) is S5271 and the double-adjustables are part number S5071. I recommend you also grab the Strange torrington bearings and spanner wrench for ~$50, it will make ride height adjustments easier. Not sure if you are aware but you'll want to run a Hypercoil front spring which could can also order from Midwest. I personally got the 300# which seems to be recommended for street/strip, they ran me $120 for the pair. I don't have the part number but if you talk to Eric he will set you up.
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No problem man! I ordered my Stranges from Eric (ssvert99) at Midwest Chassis & Performance. He is a sponsor on here and offered the best price I could find. The part number for the single-adjustables (what I have) is S5271 and the double-adjustables are part number S5071. I recommend you also grab the Strange torrington bearings and spanner wrench for ~$50, it will make ride height adjustments easier. Not sure if you are aware but you'll want to run a Hypercoil front spring which could can also order from Midwest. I personally got the 300# which seems to be recommended for street/strip, they ran me $120 for the pair. I don't have the part number but if you talk to Eric he will set you up.
#13
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It's beneficial to have them all around but that doesn't mean you have to do them all at once. Afco's are probaly the best out there but they are the most expensive. IMO the Stranges are the best bang for the buck, second best to Afco and a tad cheaper and better quality than the QA1's. Out back you could also run some cheap Competition Engineering 3-ways that run $45 a piece and work suprisingly well. All depends on how much you want to spend. I personally went with the Strange's upfront and Comp. Engineering out back because I was on a strict budget but I would have gone Afco if I had money to burn.
I am picking up some Comp engineering shocks this weekend, what I dont understand is the rebound compression split. By the advertisement it seems that they only get lighter compression and heavier rebound with that adjustment? But if I understand what you are saying correctly you want stiffer compression, and stiffer springs????
Also what setting do you recommend running the Comp rear shocks at?
For drag racing you don't want the back end to squat you want it to lift up. With a proper working suspension the space between the fender and the tire will increase when you launch, squatting just absorbs energy. With my Stranos and the rest of the car's suspension my car lifts properly on the launch but that's because the rest of the suspension is working right.
I am picking up some Comp engineering shocks this weekend, what I dont understand is the rebound compression split. By the advertisement it seems that they only get lighter compression and heavier rebound with that adjustment? But if I understand what you are saying correctly you want stiffer compression, and stiffer springs????
Also what setting do you recommend running the Comp rear shocks at?
For drag racing you don't want the back end to squat you want it to lift up. With a proper working suspension the space between the fender and the tire will increase when you launch, squatting just absorbs energy. With my Stranos and the rest of the car's suspension my car lifts properly on the launch but that's because the rest of the suspension is working right.
#16
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Especially if its better to run them over cut ones.
#18
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It's beneficial to have them all around but that doesn't mean you have to do them all at once. Afco's are probaly the best out there but they are the most expensive. IMO the Stranges are the best bang for the buck, second best to Afco and a tad cheaper and better quality than the QA1's. Out back you could also run some cheap Competition Engineering 3-ways that run $45 a piece and work suprisingly well. All depends on how much you want to spend. I personally went with the Strange's upfront and Comp. Engineering out back because I was on a strict budget but I would have gone Afco if I had money to burn.
For drag racing you don't want the back end to squat you want it to lift up. With a proper working suspension the space between the fender and the tire will increase when you launch, squatting just absorbs energy. With my Stranos and the rest of the car's suspension my car lifts properly on the launch but that's because the rest of the suspension is working right.
For drag racing you don't want the back end to squat you want it to lift up. With a proper working suspension the space between the fender and the tire will increase when you launch, squatting just absorbs energy. With my Stranos and the rest of the car's suspension my car lifts properly on the launch but that's because the rest of the suspension is working right.