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R34 Suspention Help

s14_boosted
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s14_boosted Community Regular

s14_boosted

Posted
Posted

hey guys i wanna change my suspention and im finding it hard to find sumthing that suits my needs, i few people have told me to get the green aus diliverd teins but im not sure if there any good cause theres a bit of debate on em, one of my other mates has said to me to the 50/50 setup on the rear with sumthing like a 3kg spring on a standard shoker with a 90/10 with a 9 or 8 or7 kg spring on the front,

im not after sumthing to slide i want sumthing that when i launch i get a good squat and hopefully the least amount of wheel spin possible.

what do you guys rekon???

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https://www.sau.com.au/forums/topic/302405-r34-suspention-help/
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  • 2 weeks later...
-Jimmy- Mentor

-Jimmy-

Posted
Posted (edited)

Just so you know, you have an NA R34 which means you'll need to buy suspension which fits R33... Unless yours is the R34 GT-V model? Don't ask me why.

I would suggest maybe TEIN Super-street coilovers. They are a good compromise between street and track.

Edited by -Jimmy-
s14_boosted Community Regular

s14_boosted

Posted
  • Author
Posted
Just so you know, you have an NA R34 which means you'll need to buy suspension which fits R33... Unless yours is the R34 GT-V model? Don't ask me why.

I would suggest maybe TEIN Super-street coilovers. They are a good compromise between street and track.

yea the 33 is a strait fit, i wonder why nissan designed it all like that? i heard and i think it may be stupid but the hks streets 1's in the purple range are ok?

john-e boi Mentor

john-e boi

Posted
Posted

hks coilovers are heaps stiff. had them in my car, and to my experience they were stiff as bricks

you've mentioned you want something that when you launch squats over the rear wheels for good traction take off. best bet is stock suspension. read somewhere that the best suspension of drag and launch is the standard springs and shocks.

lowbro Community Regular

lowbro

Posted
Posted

I purchased BC coil-overs with 30 settings for dampening for my R34 N/A, I set them to L6 for dampening and they have been really good for the price $1299.00

There is one downfall having coil-overs that are not configured for street use though, but if you never go up any steep gradients then you will be fine.

A good starting point with suspension would be to upgrade your sways bars to something a bit more beefier (fairly cheap these days), and you will definitely need to upgrade your rubber bushes all round if installing lowered suspension, they make all the difference in the end.

ordinary Enthusiast

ordinary

Posted
Posted
Not meaning to diss your coilovers, but a mate of mine had BC coilovers on this 03 wrx sti, spring snapped clean in half

LOL... i havent heard or seen that before.

I have run BC Type BR coilovers for over 12 months and done a probably 8 or 9 track days. They are fairly soft once you go the track - spring rates could be a lot stiffer! - however on teh road they are great. The travel is enough that it never lifts wheels - very important some you you 2 wheel drive guys!

On damper settings 5-10 its comfortable on all but the sharp bumps and on 20-25 its good at speed with sufficient damping to controll the car under brakes on the throttle and at any speed.

Best of all they are cheap and have 12 month thingy - bonus!

GTR-N1 Grand Master

GTR-N1

Posted
Posted

There are TEINS that are bricks and...

there are TEINS that are brilliant...

Just repeating Ryan's earlier Q, what do you want to do with your setup - besides 'do squat'?

Are you after progressive springs on coilovers for different road variations? Track?

Harey Veteran

Harey

Posted
Posted

As said previously, if you are just worried about straight line launches then I would leave the factory suspension.

I get quite a lot of wheel spin on launches with coilovers with a lightly modded GT-T. They are too stiff for launches as they dont get enough squat.

Coilovers are more for cornering and/or lowering your car.

No disrespect intended but are you having traction problems now with the N/A RB25?

  • 2 weeks later...
s14_boosted Community Regular

s14_boosted

Posted
  • Author
Posted
As said previously, if you are just worried about straight line launches then I would leave the factory suspension.

I get quite a lot of wheel spin on launches with coilovers with a lightly modded GT-T. They are too stiff for launches as they dont get enough squat.

Coilovers are more for cornering and/or lowering your car.

No disrespect intended but are you having traction problems now with the N/A RB25?

im currently makin just over 300rwkw and i wanna go for more but yea... wats the use of goin more power if i dont hook up, ill just end up goin slower. yea i mite go the stock suspention, any ideas for spring rates???

  • 2 weeks later...
nato_wp Enthusiast

nato_wp

Posted
Posted
im currently makin just over 300rwkw and i wanna go for more but yea... wats the use of goin more power if i dont hook up, ill just end up goin slower. yea i mite go the stock suspention, any ideas for spring rates???

Leave the stock rear spring rates and dampers, and raise the rear right height by 10-15mm, then lower the front by the same. This angled stance encourages more weight transfer to the rear end on take-off, resulting in more traction at launch.

Use a higher profile sticky tyre to absorb the shock and 'hook up' better, and if you don't have some sort of mechanical diff lock, then get one so that both rears hook up exactly the same every time, with an up-graded rear swaybar to resist the torque transfer to the chassis.

You're obviously using the widest tyres you can fit under there...right?

If you are still having issues after doing all that, then you'll have to decide how much driveablility you're willing to sacrifice to launch harder.

Another thing is that you can get your computer mapping changed to only hit full RPM/boost later, when you are already moving, ie launch control.

NZM.031 Grand Master

NZM.031

Posted
Posted
Not meaning to diss your coilovers, but a mate of mine had BC coilovers on this 03 wrx sti, spring snapped clean in half

my mate has had bc coilovers on his gc8 rex for 3 years now... no dramas... and it wears semi slicks and sees regular thrashing round corners.

Chris34 Enthusiast

Chris34

Posted
Posted
im currently makin just over 300rwkw and i wanna go for more but yea... wats the use of goin more power if i dont hook up, ill just end up goin slower. yea i mite go the stock suspention, any ideas for spring rates???

300 rwkw from an N/A RB25?! hmm...

SS8_Gohan Grand Master

SS8_Gohan

Posted
Posted

i think you'll find his car is far from N/A..... try RB26, with some help from Race Pace

you still have stock suspension even after all the work you've done? if so, you're a brave man...

I have 290rwkw, ~560nm and no traction issues with KU36's and SydneyKid's suspension kit. SK's kit can be easily replicated with off the shelf stuff. Mainly whiteline parts but with bilstein shocks. Not ridiculous spring rates, but still firm and can handle street and track duties.

But the old bridgestones i had were not up to the task, only once i switched to the KU36's did i get full traction back.

I would start with sway bars and good tyres, and go from there.

  • 2 weeks later...
s14_boosted Community Regular

s14_boosted

Posted
  • Author
Posted

yea ive done the sway bar along with rods etc... im using falcons 1 stage before semi slicks nd they still get spiining.... im not using stock suspention, rear atm i got hks hyper D (f*kn shit) and front i got standard strut with modified springs.... when it hooks up it hooks up... i get awsum lift on the front and a decent squat its just a matter of bouncing on the throttle till i get sum traction happeining... im desperate for more power but like i said... i need a good suspention... theres so much debate about wats good and whats not

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