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I realize they are very much equal in terms of drop... ie, unless you actually measure how much the car is lowered by each, it's almost impossible to tell which is which after installed... or any other spring for that matter. However, in terms of ride quality, is there that big difference? I don't do much track time, no drifting,maybe some spirited driving when the highway's empty.
 

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LakerLand
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i believe there is actually a different drop.

the Pro will retain your OEM shocks much longer than the Sportlines.

Sportlines sit lower and put more stress on the OEM shocks.
 

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Retired Staff
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Sportlines drop the car about 3/4" lower than the Pro-Kit, and have a more aggressive spring rate. Sportlines are great for track usage, and the ride for daily driving is slight rougher. Not a whole lot, but you can tell

The pro kit is a softer spring rate, maintaining a good ride quality, and not so much of an aggressive drop.

I believe the Sportlines are a 1.5F/1.6R drop on the G.C's
 

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I can't decide between the Sport or Pro, either. All i want is to get rid of wheel gap, and have the car look "even".

I heard with the Sports the rear end "squats" a little.

I've also heard that the Pro's aren't "low enough".


All i want from a spring is good ride quality, superior handling, and great looks.



can we possibly get a side-by-side comparison picture?
 

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I have the Sportlines and honestly, the ride is softer than stock. I'd rather opt for the Sportlines for the temporary drop until coilovers than get the Pro-Kit and regret the car not being low enough... My springs have settled and honestly, I still want more of a drop -- which is why I'm getting coilovers soon.

But with some spacers on (I installed some yesterday), the car looks good as it is with just Sportlines + Spacers. Get sportlines! You won't regret. :)



Sportlines + 17mm Spacers in the rears, going to be switched out for 20mm's in the rear and the 17's will go up to the fronts.
 

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I'm looking into lowering my car and I`ve read a couple of threads already, including this one.
But haven`t found the answer I`m looking for.
I have a 2.0T Premium (Canadian)
From what I have found:
2.0 Pro-Kit will drop F 1.2, R 1.3 and retain OEM Shocks a bit longer than
2.0 Sportline which drops F 1.4, R 1.6 (more stress on OEM Shocks)

If the 3.8 Sportline springs have higher spring rates
What is the comparison to the 2.0 PRO KIT does the 3.8 Sportline springs have
For example:
would you say now that the 3.8 Sportline will retain OEM shocks LONGER than the 2.0 SPORTLINE but still LESS than the 2.0 PROKIT
or
Would you say that the 3.8 Sportline will retain OEM shocks the same as the 2.0 PROKIT.

The reason why I'm asking is because I agree with xcQuence when he says "I'd rather opt for the Sportlines ... and regret the car not being low enough"

But at the same time I don't want to get Sportlines and shorten the lifespan of my OEM shocks.

Hope that people understand my question, and that it isn't a stupid one.
Thanks for the input!

P.S. - Is it confirmed that 3.8 springs fit the 2.0? Are any modifications needed or is it a direct swap.
 

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I'm looking into lowering my car and I`ve read a couple of threads already, including this one.
But haven`t found the answer I`m looking for.
I have a 2.0T Premium (Canadian)
From what I have found:
2.0 Pro-Kit will drop F 1.2, R 1.3 and retain OEM Shocks a bit longer than
2.0 Sportline which drops F 1.4, R 1.6 (more stress on OEM Shocks)

If the 3.8 Sportline springs have higher spring rates
What is the comparison to the 2.0 PRO KIT does the 3.8 Sportline springs have
For example:
would you say now that the 3.8 Sportline will retain OEM shocks LONGER than the 2.0 SPORTLINE but still LESS than the 2.0 PROKIT
or
Would you say that the 3.8 Sportline will retain OEM shocks the same as the 2.0 PROKIT.

The reason why I'm asking is because I agree with xcQuence when he says "I'd rather opt for the Sportlines ... and regret the car not being low enough"

But at the same time I don't want to get Sportlines and shorten the lifespan of my OEM shocks.

Hope that people understand my question, and that it isn't a stupid one.
Thanks for the input!

P.S. - Is it confirmed that 3.8 springs fit the 2.0? Are any modifications needed or is it a direct swap.
I believe the eibach pro-kit and sportline are the same for 3.8 and 2.0. Eibach's website gives the same part numbers for either car. Pro-kit is #4244140 and sportline is 44442
 

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Hmmm you are correct quickstang1
But the only difference is the drop for the prokit
the 3.8 prokit drops less than the 2.0 prokit even though it's the same part number.
Could this be due to different suspension between the 3.8 and 2.0.
Either way I guess it doesn't affect me cause why would I want less of a drop.

Back to my main point:
In actuallity, there are only two choices from eibach (because the 3.8 and 2.0 are the same part number).
And it comes down to:
Pro-Kit which retains OEM shocks longer than
Sportline which stresses the OEM shocks more than Pro-kit.

I guess the Pro-kit is better simple because it doesn`t stress the OEM shocks as much.
And a 0.2" difference (translates to 5mm) is next to nothing, which is probably why jvsantosmd (the thread starter) says he can't see a difference between the two because it's so minimal.
 

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Oh crap a speed bump.....
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sportlines



looks good man, I like the way your wheels are done. Do you have spacers on your wheels? cause if not I think it still rides kind of high for my taste.
 

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I'm torn between Sportlines and Prokit.
I want to make sure I'm just low enough to make my future wheels look good.
How much more "stress" are we talking about between the Sportlines and Prokit.
Will I blow my shocks in 1 year? 2 year?
Or will they last me the life of the car if I'm only a daily driver and I don't track
 

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looks good man, I like the way your wheels are done. Do you have spaces on your wheels? cause if not I think it still rides kind of high for my taste.
no spacers.....im in process of trying to get some coilovers before next month
 

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Oh crap a speed bump.....
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I'm torn between Sportlines and Prokit.
I want to make sure I'm just low enough to make my future wheels look good.
How much more "stress" are we talking about between the Sportlines and Prokit.
Will I blow my shocks in 1 year? 2 year?
Or will they last me the life of the car if I'm only a daily driver and I don't track
The struts will never last the life of the car, in fact completly stock struts will not last the life of the car. Struts should be replaced every 50-75K miles depending on road conditions and how you drive the car. so generally speaking either of these springs should not damage the strut before its time for a change anyway. It will strain the struts much more than stock, but if you are changing struts when you should it won't really matter anyway. thats why it's better to get coil overs if you want a long lasting setup, but coilovers require a service or replacement at around 70-100K miles. No suspention setup will last the life of the car.
 

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The struts will never last the life of the car, in fact completly stock struts will not last the life of the car. Struts should be replaced every 50-75K miles depending on road conditions and how you drive the car. so generally speaking either of these springs should not damage the strut before its time for a change anyway. It will strain the struts much more than stock, but if you are changing struts when you should it won't really matter anyway. thats why it's better to get coil overs if you want a long lasting setup, but coilovers require a service or replacement at around 70-100K miles. No suspention setup will last the life of the car.
That's kinda the answer I'm looking for.
Does anyone actually change their suspension every 75k?
I had a 2002 Acura 1.7EL, up until last month and I never changed the suspension. Granted the car felt like it was on metal rods up until I got rid of it. But it wasn't too horrible really.
So I suppose I'm safe either way I go. But like I said on the previous post, the Sportlines are only a 5mm difference in drop. I can't see how the Sportlines will stress the shocks much more than the Prokit does.
 

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Words Matter/Numbers Rule
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Im on prokits and very happy. The drop is aggressive enough for me... any lower and I'd scrape the **** out of my expensive (and fiberglass) front bumper.

Coupled with the fact the roads here in Montreal are one of the worst in North America (surely amongst the worst in the western world).

Plus if you plan on getting the ARK exhaust, going lower will cause a lot of scraping as it hangs low like a pair of testicles.

Ride quality is BETTER than stock with sharper turns. However, the springiness is higher for some reason compared to the GT calibrated suspension (which is spine-shattering stiff... which is weird for OEM).

 

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'11 3.8 Silverstone
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I realize the sportline springs drop the rear more than the front, but does it actually look like the rear has less gap in person? Just wanted to know if the front/rear gaps look uneven when installed.
 

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I realize the sportline springs drop the rear more than the front, but does it actually look like the rear has less gap in person? Just wanted to know if the front/rear gaps look uneven when installed.
yes, mine did
 

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it was noticeable to me, but i notice alot of things cause im very observing, some of my friends didn't notice until i pointed it out to them, the tire to fender gap is a little different from front to rear
 
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