Jump to content
HybridZ
mull

What front suspension for my 240z?

Recommended Posts

"Everyone's" bashing the 240z front suspension and say the rear suspension is

fine. Since I've swapped a R32 Skyline IRS into the back of my 240z I'd like to

upgrade the front as well - the question is: To what?

 

I was thinking about the S13/S14 200sx/240sx front suspension which looks a

lot like the existing suspension on the Z. What's the difference between them

anyway?

 

Throw your ideas into the mixing pot.

 

 

 

240z_frontsuspension.jpg

240z front suspension.

 

S14_frontsuspension.jpg

S14 front suspension. Same "crap" as the Z?

 

R32-Susp.jpg

R32 Skyline front suspension. Extra arms/weight. Superior? Same as the Z32 300zx.

Share this post


Link to post
Share on other sites

Put S14 front and back under my S130, from memory the R32 has similar multilink rear suspension to the Z32 and S13 while the S13 front is similar to but not the same as the S14.

 

If you are prepared to change to front tension rods and the rear located steering rack is no problem then I'd suggest S13/14 front. Alternatively it may be possible to mix and match parts, the struts and axle assemblies are the important S13/14 bits although the rear located rack give you Ackerman.

Share this post


Link to post
Share on other sites

Mull,

If was going to change the front suspension, I would look into double wishbone technology. RX7, RX8, 350z(I believe) would be good choices. There are some setup where both control arms bolt to the front crossmember, which makes it a lot easier to adapt to your car.

 

Dayz

Share this post


Link to post
Share on other sites

I'd say a rx8, C5 vette or something along those lines. I'm just not sure how you would find a good balance. Just slapping in a double wishbone front suspension isn't going to make it handle well instantly. There will be a good amount of setup necessary to make it all work well together.

 

2004 RX8:

2004rx8frontsuspensionge4.jpg

Share this post


Link to post
Share on other sites

I'm looking at doing the sc300 front. It along with most other double wishbone fronts would require a wider body/flares. Witch I'm pretty sure your doing anyways. Justin Posted some good pics of the sc300 front suspension. Just search sc300.

Share this post


Link to post
Share on other sites
"Everyone's" bashing the 240z front suspension

 

Those same "Everyone's" in their Z06 Corvettes, Honda S2Ks, Porsche Boxsters, and Dodge Vipers finished behind my old 240Z with its "crap" front suspension. But hey, this is the Internet so "everyone" is an expert.

 

OK, I'll get off my soapbox and be quiet now.

Share this post


Link to post
Share on other sites

Yea, what makes people think its a terrible suspension. Like johnc says, its how a car is setup. Ive seen prepared z cars run circles around cars with so called "better suspension". Its all how its prepared. For the money you would spend on swaping, you could have a guy like John setup your car for you, and come out on top.

Share this post


Link to post
Share on other sites
Those same "Everyone's" in their Z06 Corvettes, Honda S2Ks, Porsche Boxsters, and Dodge Vipers finished behind my old 240Z with its "crap" front suspension. But hey, this is the Internet so "everyone" is an expert.

 

OK, I'll get off my soapbox and be quiet now.

98268~Caution-Drama-Queen-Just-Ahead-Posters.jpg

 

:D

Share this post


Link to post
Share on other sites

I think the comments about the front suspension are usually made in threads where people are talking about swapping the rear suspension. I know I've made comments like "It's the front end that needs attention, not the rear" and my basis for making that comment is years of trying to get the front end to stick better for autoxing.

 

That's not to say that you can't make a stock-ish front suspension handle with modifications, and everyone's interpretation of "good handling" is different, but if you're talking about a car where the guy has already torn out the rear suspension why hold onto the front? Certainly we can all agree that there are better suspension designs out there.

Share this post


Link to post
Share on other sites

I've seen too many stockish S13/14's do times around a circuit that a stockish S30 can only dream about. Obviously that is not all about the differences between the two strut front suspensions but from all accounts the later models front suspension works very well. Adapting it to a S30 though could be problematical as I indicated, depending on engine clearance and so on.

 

Of course it may be easier to adapt a crossmember mounted double wishbone type from another car, depending on the track required. Another alternative is to fabricate something up using this stockcar stuff http://www.howeracing.com/Chassis/Index-Front.htm

Share this post


Link to post
Share on other sites
What is soo horrible about a 240Z suspension?

By the time/money you installed some other front suspension you could have modified the stock suspension to work perfectly.

marcg has a very interesting front suspension with an RX7 control arm and stock Z strut.

Nobody said the stock stuff was horrible. But even with the stock stuff most people change everything out to aftermarket parts. So whats stock about that. And if nobody ever changes to other types of front suspension then we will never know if there are benefits to doing so. Same goes for any other mod you do to your car whether it be suspension, brakes, engine, etc. I mean this is HYBRID Z. Most people here do not want stock. And it's also fun to do new and diffrent things.

Share this post


Link to post
Share on other sites

I don't know crud about the geomerty of suspention.

It seems to make sence to me that you should use the frount suspension out of the same car the rear came out of.?

 

How and what a car dose based on suspension has got to be more involed than the aero dynamics of cars. (guessing)_

 

I would just hate to see all that wonderful work that you have done go to waste, guess that is why your posting for an opinion.

Share this post


Link to post
Share on other sites

Any more double wishbone front setups that come to mind? Need options : )

 

• Lexus SC300

• Corvette C4/C5

• Mazda RX8

• Opel Speedster

 

I've more or less made up my mind; the front end/rails will be redesigned to

assure better safety, handling and possibly more room for my Tilton pedals.

 

I have a lucky someone that will be doing the math on the scrub radius,

ackerman, rollcenter, caster, etc to assure than the car won't handle like

a sack of ♥♥♥♥.

Share this post


Link to post
Share on other sites

 

Plenty of aftermarket stuff for both of those too, particularly the MX5. And of course the stock spring/damper top mount and brace arrangement of both can be modified to fit the S30.

 

Use the S2000 setup and you may be able to go like this, turbo model, genuine daily driver with street tyres

Share this post


Link to post
Share on other sites

I don't think there will be a double wishbone setup due to regulations. A double

wishbone installation would probably push it over the edge from "modified" to a

less appealing "amateur built vehicle".

 

This would mean I'd lose the 1971 "vintage" and end up with a 2009 or what

year it is when the car is ready for The Swedish Motor Vehicle Inspection Co.

A 2009 title would mean checkups every year instead of every other and more

regulations on emissions/etc.

 

So, I finally got off my ass and went to Huddinge Kustoms and borrowed their

Nissan 200sx S14 front suspension. Will add pics tomorrow. Seems like it'll be a

good fit though. It's approx 1½-2" wider per side using standard arms. Looks like

the wider front ZG-flares will come in handy once they're ready... : )

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

×