The Complete SPL Front Suspension

cv129

Like a BOSS!

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Setrab | RE-71 | SPL | JRZ | Nismo | ARK | Whiteline | RacingBrake | CJM Oil Pan | Ti shield

nomodsjk

I recently ordered the entire spl line up from A to Z...along with dss axels, an os. Giken diff and new tires..i can't wait to get my car back so i can feel the difference. This post is awesome. Great write up...rep'd

littlejuanito

How much did the whole catalog ran you?

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Fast Intentions Non-Resonated Carbon Fiber CBE | Berk Non-Resonated HFC | Powertrix Coilovers | RJM Clutch Pedal | LatheWerks Shift Knob | Stillen Sway Bars, |SPL Parts | Enkei RS05RR | Fujimura Diffuser | Ecutek Tuned by Seb | 308whp

Rusty

Thank you!

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浪人 - 殺し屋
"The Difficult Anytime, The Impossible By Appointment Only"
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littlejuanito

I wished I had the money to blow on the whole catalog but nonetheless, are there any specific items you recommend I buy on front suspension, besides the upper arms? Tie rods? Impact bushings?

Thanks in advance Rusty

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Fast Intentions Non-Resonated Carbon Fiber CBE | Berk Non-Resonated HFC | Powertrix Coilovers | RJM Clutch Pedal | LatheWerks Shift Knob | Stillen Sway Bars, |SPL Parts | Enkei RS05RR | Fujimura Diffuser | Ecutek Tuned by Seb | 308whp

Rusty

The main things to get would be the upper control arms, If you change sway bars, the end links. In the rear, camber arms. If your rear diff bushing is shot (leaking). The solid bushing kit or the White Line solid bushing kit.

The front tie rod kit may not allow aftermarket wheels to fit. Depending on width, and offset. Also it would be best to have a race shop set them up to get the bump steer correct. They are not something that you install and forget. You have to play around with them.

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浪人 - 殺し屋
"The Difficult Anytime, The Impossible By Appointment Only"
http://www.the370z.com/members-370z-...o-journal.html

littlejuanito

Thank you Rusty and yes I have Stillen sway bars installed so I'll get those end links as well. I don't have aftermarket wheels but may get some later so I'll skip on the tie rod.

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Fast Intentions Non-Resonated Carbon Fiber CBE | Berk Non-Resonated HFC | Powertrix Coilovers | RJM Clutch Pedal | LatheWerks Shift Knob | Stillen Sway Bars, |SPL Parts | Enkei RS05RR | Fujimura Diffuser | Ecutek Tuned by Seb | 308whp

nomodsjk

I bought the front camber arms, traction arms, rear camber arms and eccentric lock out kit from forum so i got a discount there but everything else i just bought from kyle Puckett (kyle houston forum sponsor) but off the top of my head i would say 4k give or take 100$

OptionZero

Kyle at Import Parts Pro (site sponsor) got me the best deal on the SPL stuff. See his thread in the Suspension Parts sponsor section

The Tie rods ends are very, very good but if you aren't going super low i wouldn't prioritize them.

Like Rusty said, the front upper control arms are the biggest thing

Note that what type of coilovers you get will affect whether you need to get the rear mid-links or the toe arms

If you get "true" type coilovers (spring wrapped around the strut), you don't need the midlinks, you want the toe arms (there is no spring bucket needed)

If you get an "OEM" type (spring separate from strut) you'll need the mid-link arms that have a mounting point for the springs. ALSO note that its built for a 2.5inch diameter spring. Swift Springs will be a needed part of that equation, they come in the right diameter and a variety of specs. Oh, and if you're doing either mid-links or toe arms, get their eccentric lockout kit. It eliminates toe adjustment from the OEM bolts and eliminates the play in those bolts. You get toe adjustment from the arm itself (threaded adjuster)

Just get the fronts for now and you're good. Save up for the full rear setup later and get a full alignment.

I would skip any of the diff or subframe bushings unless you have damaged/worn OEM bushings until absolutely last. They make an undeniable difference in stiffening up the rear end, but it WILL cause a noticeable difference in ride quality AND the install is a complete pain in the ***. You have to drop the diff/subframe and get a press. There may be fire involved.

I did the full SPL solid bushings (and threw in some custom other ones too!) in the rear of my S14. Responsive as hell, no doubt. But it was a ton of trouble installing and the ride was bone jarring afterwards on the street. No going back at that point

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OptionZero Build Thread

littlejuanito

Thanks for the very detailed response

You got me debating whether I should get the mid link arms or not. I do have Swift springs on my Powertrix coilovers but was wondering what benefit would these links bring to the overall suspension feel/ride?

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Fast Intentions Non-Resonated Carbon Fiber CBE | Berk Non-Resonated HFC | Powertrix Coilovers | RJM Clutch Pedal | LatheWerks Shift Knob | Stillen Sway Bars, |SPL Parts | Enkei RS05RR | Fujimura Diffuser | Ecutek Tuned by Seb | 308whp

OptionZero

Well, you're replacing rubber (worn rubber, depending how much mileage/use you have on your car) with metal, so there's a big difference right there.

SPL uses good joints that are self-lubricating so they're durable.

You will "feel more of the road" in ordinary driving

How harsh it is in daily driving will also be affected by tire and coilover quality. Your personal tolerance level is gonna be different from everyone elses. My Z is not my daily driver, but i have good coils (Aragosta Type-S), so even with low profile (25 series in back) and all the SPL arms (still have rubber diff/subframe bushings), its very tolerable.

I got mine mainly for the adjustability. I am fairly low and have aggressive fitment, so the arms were needed.

The best way to find out is to ask around your fellow Z owners to see if anyone equipped with SPL stuff is willing to let you drive/ride in the car. Since you're in socal it should be feasible, plenty of modded Z's around

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OptionZero Build Thread

JerryDeluxe

Well installed bc coils and the fronts rub, do I really need front camber arms or can I adjust front bc plates for negative camber

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Swift Spec R/KONI Yellow Shocks, SSR Executor CV01, GThaus, CF Lipkit, CF Hood/Fenders

OptionZero

our cars don't use camber plates



Camber is adjusted by that wishbone shaped arm. OEM you don't get worthwhile adjustment, if at all

Thats why everyone should be rocking the SPL FUCA

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OptionZero Build Thread

JerryDeluxe

Where can I purchase the spl fronts best price tho. Thanks

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Swift Spec R/KONI Yellow Shocks, SSR Executor CV01, GThaus, CF Lipkit, CF Hood/Fenders

littlejuanito

As OptionZero suggested, try "Kyle at Import Parts Pro" (site sponsor) or Kamispeed where I actually bought a few SPL parts.

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Fast Intentions Non-Resonated Carbon Fiber CBE | Berk Non-Resonated HFC | Powertrix Coilovers | RJM Clutch Pedal | LatheWerks Shift Knob | Stillen Sway Bars, |SPL Parts | Enkei RS05RR | Fujimura Diffuser | Ecutek Tuned by Seb | 308whp