Adjusting Ride Height and Adding Spacers to My 718 GT4 

Thank you for using millimeters so we can all understand your measurements. Enough with those fractions 😃

The way you guys shoot this makes me feel like a foodnetwork or other live TV series. Really cool. Keep it up OG bros.

Having zero preload could lead to the spring becoming loose while driving if you crest a hill at speed, could lead to damaging the collar or spring. Side note changing preload also changes the amount of travel you have in either direction droop/compression due to the piston in shock changing static position. Scrub radius is the thing to keep in mind when using spacers or changing offsets, street driving I would say not really an issue may notice different feeling in steering wheel but probably not

12:31 " just a little dab". An obscure reference to the painter Bob Ross.

If you want to do it right, and I have a sneaking suspicion you do. Extend the lower control arm with a camber shim and then remove the added camber at the top adjustment. This gives you a wider track without the negatives spacers add like jacking and scrub radius.

Lighting looks great in this video from some reason.

WTF??? You have every thing else but no guides to save those PCCBs when removing the wheels!

Suspension geometry is crying in the background, but it’s your Porsche and you should enjoy it. For street driving, it doesn’t really matter much once you get an alignment it’s all good. Just careful about rubbing if you put luggage and a passenger in

Just lowered my 06 C2S with eibach 1.2 inch lowering spring, man it was great and the rake is nice, now i need spacers too, thanks Mat

No wonder your arms are so big Matt. How many times have you removed these wheels since owning this car? Ride height is looking good.🔥👍

I'm so glad this channel exist!

To anyone saying spacers are stupid and Porsche engineers know better, my C2S had Porsche spacers. As a factory option. And they were listed on my build sheet. Also, the car comes delivered with a height adjustable suspension for a reason.

Changing ride height changes toe.

The production and editing value in these simple install videos is bonkers. Thanks Matt

Widening and lowering a porsche of this caliber. Oh boy, this man has some serious first world problems.... I wish i had em. Dayum

I enjoyed this experimentation to get what you want out of it. I was thinking 7mm wasn’t going to be enough, but didn’t get see a good shot of the track width. The negative comments strike me as haters/posers that think they know better what you want than you do.

If you lose all preload on the springs, the only risk is like with any other suspension: if you come off the ground that the spring might shift around as much as it can not being consistently pressed in. So unless you're a group b rally driver or you plan on taking it to a track where elevation changes are sudden and extreme enough to lift your car, there wouldn't be any issue.

Agree about hub lip....Yes this is his car. Fun stuff! Need to drive it before measuring. Also, I measure from the lower rim edge to the fender. Takes away tread and inflation differences. Metal to metal. Frame to floor is best but way harder.

Get a couple of wheel lug guides to help you take off the wheels without chipping the callipers or wheels... if it’s anything like the rest of the VAG group it’ll have some in the boot.

You need to take into consideration the height when you sit in the car and how that effect things, I think the first adjustment looked pretty good.

Is the driver's side factory height higher to offset the weight of a driver?

Yep, moving the collar height translates to more ride height change at the tire. It’s called the Motion Ratio of the suspension. However the difference is much less on a McPherson strut suspension design, than it is on a car with conventional double wishbones with the shock attached farther inboard from the hub’s ball joints.

That Gentian blue looks stunning! You don’t see enough blue Porsche.

I did 15mm spacers all around my 997 c2 running 295 in back and 235 in front. Spacers by ECS tuning and came with long Philip head screw just like factory porsche.

This is our generations 911! Affordable, great looks, NA, wow! Congrats.

You have to watch the lowering as it will have an effect on shock travel. Also, you'll want to make sure that you zero the ride height out with your PASM computer when lowering the car.

I've had good luck with spacers as well. You should look into getting a set of wheel hanger guides. Basically 2 long posts that screw into the lug hole and lets you guide the wheel on and holds it in place. Super handy for cars with lug bolts and not studs

With that spacers you are altering the negative Scrub Radius( -10mm.) An advantage of a negative scrub radius is that the geometry naturally compensates for split braking, or failure in one of the brake circuits. It also provides center point steering in the event of a tire deflation, which provides greater stability and steering control in this emergency. Maximum spacers thickness allowed is 5mm

I’ve always wanted to lower my ‘16 GT4 but I live in an area with MASSIVE speed bumps and horrible drive way curbs and I barley don’t scrape. Wish we could make speed bumps illegal....

I’ve always had good luck with spacers. I don’t see how they cause problems like some people talk about.

Bought the future classic spacers. 7mm for front and 15mm for rear. Have run 15mm on 981 since 2016. They are hub centric, the the 15mm have a hub centric lip. I will let you know how they do on the 718. Super excited about the FC spacers.

matt is a true little honda bro, he even has 2006-2008 civic si style wheels on his porsche

You should have this car corner balanced, it's the only way to truly adjust a pre-load style coilover properly. By adjusting the preload on the front to lower the car you just unsettled the rear of the car, corner balancing will square everything up with your new intended ride height.

Was going to do front spacers on mine but the paint on the rocker behind the front wheel is already getting chewed up. Didn’t want to risk the sticky Cup 2s throwing up crap on the outer edge of the rocker, fender, door or side air intake (which also take a beating). Decided to do PPF after 1000 miles but i still won’t be adding spacers due the same concern, even with the PPF. The Gentian Blue seems to magnify even small paint chips.

I love all the daily CONTENT THanks MATT!!!!!!!!!

One suggestion when looking at the car's profile to compare the height, I would have the car sitting on a flat surface with nothing under it. Having the lift under the car, may cause you to see the height of the car differently in relation of the ground.

Doesn’t 7mm reduce the hub contact to the wheel by a lot? Reason I go 10mm spacers with built in hub lip. Or 5mm at most to retain some of the factory hub lip

Looks good! Definitely go with a 10mm - 12mm spacer in the front.

I like how you go sit in the corner and view the height lol

What size spanner wrenches or where to buy them?

Just to get you thinking about it, how about a shorter final drive?

It’s too bad that hub isn’t coated with anything from the factory to keep them from rusting like that.

You mentioned no negatives about good spacers, but I'm genuinely curious on what their upside is? Why did you put them on?

Great video. My GT4 arrives next month. Love the Getian blue but mines Black with gold wheels as my Taycan is gentian blue and didnt want the same colour for both.

I just can't believe Matt changed the anvil - it was orange - to a baby blue color just to make a composé with the OG blue 😂

I see you have Koch Chemie products on top of your cabinets. Green star and GSF are good. If you've not already tried it I would. Highly recommended Wax Planet 8 Below snow foam. It's one of the best I've tried so far.

33:40 those calcs are Janky, should have done a Solid Works project 🤔 🤨

More ''improvements'' to a Porsche GT car

front is perfect but rear needs more low and yes get helper spring

What’s with the rust?

Great video as usual! How are you liking the 7mm spacers? Any change in steering feel? Any vibration? Thanks a million!

I say go with bigger hub centric spacers. What's the point of running spacers if the wheels are not flush.

The only thing I hate about lowering is how the spacing around the tire from the wheel well arch is so uneven. I think it looked about perfect the first time you lowered it.

What was your final measurements? Originally it was 10mm down front and rear. Did you drop it to 15mm with the final look?

Just did my height adjusted OG spec haircut watching this. Debating if I should go 2mm lower.

What were your final numbers front and rear suspension settings in mm? I can’t make out your diagram at the end even with a 65” TV 😂

Get it right... then it should be corner balanced.

Get some wheel hangers Matt. Or convert to Studs & Nuts

Don’t make it flush Matt, be happy how it is. Once u go flush and U get onto some bumpy roads, ur fenders will rub against your tires and start shaving off your rubber!

Hey brother you have any pics of the car lowerd? Thinking about lowering mine. Luv the channel 🤙🏻

hello, im looking for buy one, but in my country there are a lot of speedbumpers... from factory settings, is possible increase the height from the ground? by this adjustable coilovers?

What happened to the Sonic ride height calcs sheet tool?

Toe may be affected more than you think by lowering the car.

Nice !!!

Damn Matt! Who does your nails? They look fab!

Yeah that blue looks really good, tesla has a similar blue but tesla paint quality is questionable

Are you going to do an alignment?

Can you provide me the part number and source of the coil over spanner wrench please.

If one should not adjust, why adjustable from factory? Matt no track so no issue.

I need to adjust my GT4’s height. What size spammer wrenches do I need and where do I get them?

what's the maximum height you can rise the car from stock settings ....?

Matt, did you end up having to re-align after lowering?

I wonder if dark blue is Matt`s favorite color?

does GT4 / 718 SPYDERGT4 COMES WITH THAT OEM ADJUSTABLE SPRINGS?

10/16” same as 5/8”

Nice

Have you seen the new GT4 RS ? It has a gooseneck style rear wing 🦆. Will you get one when its lauched ? Ops, forgot to post the link ☺️ ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-XNTxyE5YtrA.html

Uguale alla mia blu genziana però wells gold 👍👍👍

strangely narrow tires. 245 front 295 rear? thats cute =]

Full send it. Slam it.

Hope you don't ruin the car's handling just for looks.

Haha, I am sure you are well aware adding spacers to a new GT4 is going to trigger many people. Lol

10/16” 🤪

Corner balance your.

Dunlop’s need to go

Matt, are you going to do the gear swap?

Hi mate. I am thinking of raising height since I am using my GT4 as daily. what height could be ideal in your opinion? Thanks in advance.

So Matt, try driving fast :-)

No locktite on the spacer bolts to the hub??

10mm = 1/4 of an inch... Hmm not exactly

What you just did to your GT-4 is really a piss poor way to F... up the suspension. Is it possible to obtain replacement springs that will lower the ride height but not result in a stiffer/harsh ride? I'm looking for 3/4 to 1 inch lower for cosmetic reasons only. The answer is no for any significant reduction in ride height, because it is not the springs that create the harshness on a lowered car it is the change in geometry. Specifically, it is the change in the angle of the trailing arm. Lowering the car reduces or eliminates the angle in the trailing arm reducing the moment (lever arm or vertical distance between the forward mount point and the mount point on the control arm) that operates the spring. Think of it like a motorcycle swing arm - there must be some angle in the arm for the suspension to work. if there is no angle (no vertical lever arm) the force vector from a bump (which comes in horizontally and not vertically like you might think) is transferred to the chassis and not the spring/damper. This is what creates harshness. It should also be noted that lowering the car increases the roll couple (roll force) by increasing the distance between the roll axis and the CG. This causes a lowered car to roll more, not less on the same springs. This is one reason why most lowering springs are stiffer than stock. Lowering the car too far also removes the dynamic camber gain while turning resulting in reduced traction and increase tire wear. In general it is not a good idea to lower a Porsche (or any strut-based suspension). Race cars get away with it for two reasons - the first, and main reason, is that they almost always use different suspension pickup points through different wheel carriers (i.e., the GT3, Cup, and GT4). The second is that they generally operate on smooth tracks and can run stiff springs to control the roll.

So many dislikes already, tough crowd

Dude loves himself

do you even drive the car? lol