pei_guy;n27262 said:
Ok....so here's where I'm at for my S197 ('13 GT 6 speed vert)... Interested in hearing if you think this is going in the right direction.
Looking at the following
- Eibach Pro System package (lowering springs, front & rear sway bars, struts & shocks)
- BMR adj. panhard bar
- Ford Performance GT 500 lower control arms
- Ford Performance lower control arm relocation brackets
Bump stop kit options?
Is a bump steer kit required?
Not sure what direction to go with caster camber plates. I want to make sure I'll be able to keep the Steeda strut tower brace. Will it fit with caster camber plates or will the Ford Racing GT 500 strut mounts be a better option?
Thinking of leaving the upper control arm stock.
What am I missing? Is the too much, too little or a good fit for a vert mostly casual & some spirited driving. Likely not heading to the track or strip.
As far as mods go, I've done the JLT CAI, BBK 85mm TB & Boss 302 manifold on the intake side and BBK 1-7/8" longtubes, BBK offroad x-pipe & MBRP race series catbacks on exhaust side. Suspension next, then once the stance is settled, will look to wheel & tire upgrades & brake upgrade.
Open for some feedback.
Thanks!!
Sorry for responding late pei-guy. I only get on here about once a week.
You are on right track with your choices.
The Eibach kit is a quality kit. The pro springs drop the S197 about 1.5 inch in the back and about 1.25 in front.
That is fairly aggressive and will fill that fender gap nicely. I would not go any lower as per hotobbad's counsel.
Eibach manufactures the springs for Ford Performance.
The FP equivalent to the pro springs is the M-5300-K springs. Simply known as the K springs, a popular choice also.
Oddly enough, although Eibach does not offer a less aggressive spring, meaning less drop, Ford Performance does.
They offer the M-5300-P springs. Known as the P springs, they lower the car 1 inch at all four corners.
Still a huge performance upgrade but leaves a little room for rough maritime roads(potholes and frost heaves), going over speed bumps or getting onto ferries or trailers, or entering steep driveways. For a lot of these reasons, rough roads and trailering, I use the P springs.
If you're interested in the P springs, pair them up with the Bilstein HD shocks and struts and you will love the combination.
Otherwise, nothing wrong with that Eibach kit as complete entity.
The Eibach sway bars are, IMHO, the best. I have them.
BMR adj. Panhard, Great choice. That's the one I have.
For Lower control arms and relocation brackets, I would stick with BMR on these parts.
Reasons: for the lower control arms, the Ford GT 500 is still a stamped steel, open face unit with a stiffer rubber bushing only. It's a stock control arm with a slightly stiffer bushing only. No structural or design improvement.
It does not use polyurethane bushings which resist compression more than any rubber and will give more performance improvement for the same or les money.
In contrast, the BMR control arms are fully boxed, square tubing, units which are stiffer and stronger than stamped steel.
BMR uses polyurethane bushings.
BMR makes two identical looking control arms differentiated only by the thickness of the steel used in the construction.
Both will be better than the Ford piece IMO. The lighter gage one is less money than the heavier gage one.
Up to you to decide which you want when you order.
Relocation brackets: The BMR brackets are the best built and use better anchoring points and bolts to you axle.
In fact, they use an additional bolt over the competition such as Steeda, Ford, and so on.
Mat Dasilva (of Dasilva Racing) used several brand son his car and all twisted on him until he hit on BMR.
BMR are the only ones that have held up on his 2005 manual GT quarter mile race car.
Bump stops: if you are referring to small bump stop on the axle to prevent hitting the chassis, don't bother.
You will likely never load your car enough for axle to hit chassis. You would need four adults and trunk loaded to get to that range.
My axle has never hit my chassis. Put money elsewhere.
Bump steer kit: I don't think you need this either.
I don't have one and don't feel I need one.
My understanding is this becomes more relevant, the lower you go.
I have 1 inch drop and don't feel any twitch in front end when I hit bumps.
Whether you go 1 inch or 1.25 inch, I don't think it will make a difference.
For example, Eibach make Sportline springs that drop car almost 2 inches.
If you had that, maybe an issue, but then you would have trouble on all Maritime roads.
This is really only a show or dedicated track car drop.
Since you are debating caster-camber plates or the GT500 strut mounts, I will make it easy for you.
Caster-camber plates every time, all the time.
Reason: The GT500 mount is only a marginal improvement over the stock mount with, again, stiffer rubber only.
Otherwise it is the same piece as stock.
You have to pay for the GT500 mount.
Take that money and put it towards caster-camber plates.
For only slightly more money, you get total alignment capability.
Plus you replace the rubber bushing mount with a steel ball bearing type mount that will eliminate the deflection of the strut in turns.
Your car will benefit from razor sharp turn in response over stock.
I researched caster-camber plates in 2012.
I went with the Maximum Motorsports cc plates. Love them.
Easy to use for alignment. As advertised.
The Steeda strut brace will fit with the Maximum Motorsports caster-camber plates.
Leaving upper control arm stock. Good call. You do not need to swap this part. Use money for caster-camber plates instead.
Reason: It is mounted center of chassis and very short, only a third the length of lower control arms.
It has a lot less torque or leverage forces acting on it.
Also, changing this part can lead to increase noise and vibration due to being mounted on the rear end housing.
What are you missing? Nothing. You will absolutely love your car if you follow this recipe.
Your 5.0 will get better traction for spirited acceleration and you will not believe how much better it will steer and handle over stock.
You will have a "Ha Haa!" moment.
Optional only: You can add to the chassis strength at the point where the Panhard attaches to the chassis.
That's on the passenger side of the car. Ford knew this to be a potentially week part of the chassis and added a brace at the factory to reinforce this area. The brace ties the passenger side Panhard anchor point to the driver side of the chassis with a brace.
Whereas you have a convertible, you can improve this a bit more to reduce flex by swapping out this factory brace, which is non boxed, stamped steel with a stronger boxed or tubular unit.
I use the Steeda tubular Panhard brace for this. It is lightweight chromoly and the driver side attachment point is cleverly boxed for added strength.
BMR makes a boxed version but it is slightly bulkier and not chromoly, and driver side attachment point is not boxed like the Steeda.
Either one will be better than factory.
You will see the difference when you hold both pieces in your hands.
That's it. Happy modding.