Are lowering springs pointless without upgraded shocks?

[racer24crm]

If I have a non-PP GT and want to add lowering springs, is upgrading the shocks a necessity for performance and longevity?

Seems like most people just leave their stock shocks on their car and are happy but I don't want to add springs and then have to replace the shocks sooner because they can't handle the new spring rates and whatnot. I also don't want to spend money on something that could worsen performance.

I've caught a few posts from BMR that imply that their shocks may be too much for PP shocks so I can only imagine it would be worse for a standard GT setup.

What do you guys think?

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[Bhoris]

I'm interested in this as well. I have a GTPP but I'm on Eibach Pro Kit springs and I've been thinking about adding Viking shocks to the rear. I don't track the car much but I do enjoy some spirited canyon driving pretty frequently. The shocks are only about $185 a pop so it's not a huge investment, just wondering if it's worth it.

 

[Ryubb]

I have BMR performance springs SP080 and cradle lockout.

I can tell a big difference, for the better, especially on the interstate. I still have some short bounce on the rear on certain roads going 30-40mph. I have owned my car almost a year (April 2015), I have not raced or tracked. Almost at 5k miles too.

So I decided to order a set of Viking Warriors (Wife wont let me supercharge) for this reason.

The rear shocks are easy to change, my mechanic that did my springs and cradle lockout quoted me $35 total for both shock replacements and I can watch.

Shocks do not change suspension geometry, so alignment isn't affected.

I would recommend installing the springs first, testing it to your liking and then if wanted, get some shocks if you need a little more control.

 

[racer24crm]

Do springs wear out the stock shocks faster? Especially, since they're not PP shocks.

 

[Cascadia_302]

If I have a non-PP GT and want to add lowering springs, is upgrading the shocks a necessity for performance and longevity?

Seems like most people just leave their stock shocks on their car and are happy but I don't want to add springs and then have to replace the shocks sooner because they can't handle the new spring rates and whatnot. I also don't want to spend money on something that could worsen performance.

I've caught a few posts from BMR that imply that their shocks may be too much for PP shocks so I can only imagine it would be worse for a standard GT setup.

What do you guys think?

I would think for a DD it shouldn't be that big of a deal, l thought l read the rate increase was like around 10% over the PP springs but don't recall which spring numbers they where.
For track use l would go with a matched or matching a set of dampers/springs, the FFRP track set comes to mind as it also gives you F/RSB's, links, and such.

 

[SpeedLu]

I have BMR performance springs SP080 and cradle lockout.

I can tell a big difference, for the better, especially on the interstate. I still have some short bounce on the rear on certain roads going 30-40mph. I have owned my car almost a year (April 2015), I have not raced or tracked. Almost at 5k miles too.

So I decided to order a set of Viking Warriors (Wife wont let me supercharge) for this reason.

The rear shocks are easy to change, my mechanic that did my springs and cradle lockout quoted me $35 total for both shock replacements and I can watch.

Shocks do not change suspension geometry, so alignment isn't affected.

I would recommend installing the springs first, testing it to your liking and then if wanted, get some shocks if you need a little more control.

Wife "won't let" you? Is it your car or hers?

 

[Sinub]

Most if not all aftermarket springs will wear out your shocks faster. They are designed with higher spring rates, lowering, and higher performance in mind. The lower you go, the more stress you will put on the shock and reducing shock travel. Ride comfort will also be compromised due to the fact that the shocks are most likely not designed to other spring rates.

With that said, your shock's life can be reduced about 5,000 miles or 20,000 miles depending on the aftermarket springs you purchase. It is good to keep something with springs rates not to far from stock and something with minimal lowering. I wouldn't go much more than 1in on stock shocks.

All depends on what you want to get.

 

[Side_Pce]

Most if not all aftermarket springs will wear out your shocks faster. They are designed with higher spring rates, lowering, and higher performance in mind. The lower you go, the more stress you will put on the shock and reducing shock travel. Ride comfort will also be compromised due to the fact that the shocks are most likely not designed to other spring rates.

With that said, your shock's life can be reduced about 5,000 miles or 20,000 miles depending on the aftermarket springs you purchase. It is good to keep something with springs rates not to far from stock and something with minimal lowering. I wouldn't go much more than 1in on stock shocks.

All depends on what you want to get.

Main reason I went with the FRPP strut/springs.

 

[Ryubb]

Wife "won't let" you? Is it your car or hers?

Car is mine, Money is ours. Parts and Labor, $10k is a lot of money.

She said "When you get your Mustang, just leave it stock, don't you dare change it." I replied "Yes dear"

Mods I have:

JLT Oil separator
Steeda CAI (No-Tune)
BMR Springs Sp080
Cradle Lockout CB005
Shiftknob + adaptor (Cjponyparts)

Awaiting Mods:

Viking shocks ordered 2 days ago.

Next Mod:
MGW STS

 

[BMR Tech]

Absolutely not.

Our SP080 are designed specifically for OEM Dampers

 

[DrDing.Muscle]

I am running SP080 on stock shocks and have not noticed any bad behaviors. Ride is better than it was stock. Still some PP bounce but not as bad as it was. As one of the other posters said only on certain roads that are really bad with expansion joints does it still bounce some. Before it bounced on every road.

 

[racer24crm]

Absolutely not.

Our SP080 are designed specifically for OEM Dampers

That's great to hear. Now, what if use SP080 in the rear and SP089 in the front for a more aggressive rake? Any concerns? Just to reiterate, these are for non-PP shocks.

 

[DrDing.Muscle]

I thought the drop was the same across all of their springs performance vs drag vs auto cross.

 

[racer24crm]

I thought the drop was the same across all of their springs performance vs drag vs auto cross.

I think they are all relatively the same but they do have minimal drop springs. They don't list the drops on their website because the drop rates may not always be the same on every car depending on various circumstances (lightweighting, supercharger, old shocks, etc.).

 

[BMR Tech]

That's great to hear. Now, what if use SP080 in the rear and SP089 in the front for a more aggressive rake? Any concerns? Just to reiterate, these are for non-PP shocks.

Less aggressive rake.

The SP089 drops approx .875"

The SP082 (SP080 Rear springs) drop .50"

So the car will have less of a rake with that application, than the full SP080 Kit.

The combo you mention is VERY VERY VERY popular.:cheers:

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