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From A 290Rwkw R34Gtt To An Evo 7-9

rondofj

By rondofj,
in Engines & Forced Induction

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jjman Mentor

jjman

Posted
Posted (edited)

It is a S15 Silvia with RB25DET and R33 gearbox. 8kg fr 6 kg r on softest setting. It has camber and toe arms and it doesn't have much camber.

It holds up if I floor it from a rolling start on a motorway in 2nd, but it will lose traction on back roads or where tarmac is not as good

decent setup then.

im surprised those tyres don't hook up better...

I used to have those coilovers in that spec and I found that running the rears at about 10-25% damping was the best. Something about fully soft wasn't goood and I remember the traction not being as good. THat was in an R33 though and only 240rwkw...

Edited by jjman
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niZmO_Man
niZmO_Man

This is important

discopotato03
discopotato03

There is never going to be middle ground between Skylines and later Evos . There is no perfect performance car either . People ask me which of mine is better and I just say they're different . Much o

discopotato03
discopotato03

The manufacturers loved it because they never made money out of the special production cars anyway . Not so good for petrol heads . It allowed the change to Bogun spec-tater racing because beer swill

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rondofj Veteran

rondofj

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Mick, yes the supra will, but then the thrill being its a different car and right up there at the performance forefront, not to mention the easy power u can get outa them and the GT feel, cockpit etc, a monster that actually looks nice /sporty

rondofj Veteran

rondofj

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Kasko I was lucky, checked ebay and a set came up at one of the skyline wreckers-think I got away with $450- a steal.. Just test the dampers by removing tops, compressing by hand and checking rebound. And f$&k those coilovers off..

discopotato03 Grand Master

discopotato03

Posted
Posted

Yep dunno if the SK Bilstein Whiteline kits are still around , I think he said some of the springs may not be available .

However , the SK re rated Bilsteins are and that is a good start . He said you can do a coil over conversion on them (threaded sleeves on circlips) and use small diameter springs in the right rate . Really all the bling lookin tops with spherical bearings do is give you grief on a Skyline .

Also he organised some years back an adjustable Silvia stut top that solves some of the lack of compression travel issues .

If genuinely interested I may be able to contact him , cheers A .

GTSBoy Grand Master

GTSBoy

Posted
Posted

Yep dunno if the SK Bilstein Whiteline kits are still around , I think he said some of the springs may not be available .

However , the SK re rated Bilsteins are and that is a good start . He said you can do a coil over conversion on them (threaded sleeves on circlips) and use small diameter springs in the right rate . Really all the bling lookin tops with spherical bearings do is give you grief on a Skyline .

Also he organised some years back an adjustable Silvia stut top that solves some of the lack of compression travel issues .

If genuinely interested I may be able to contact him , cheers A .

It's not hard to contact Gary. He responds to PMs on here. I bought a set of his tricked out dampers from him only a few months ago.

I did have some trouble with springs on an R32 GTSt. The normal low Kings springs seem to be all wrong, about 35mm too low, even when the Bilsteins' perches were set on the highest groove. So I ended up with GTR springs, which is not a problem at all, as they are a higher rate than the GTSt springs anyway - right in the middle of the happy range of about 5 kg/mm.

You can of course get Eibach springs, and the coilover conversion (which costs a fair bit of money) is of course still an option.

R32Abuser Mentor

R32Abuser

Posted
Posted (edited)

It's not hard to contact Gary. He responds to PMs on here. I bought a set of his tricked out dampers from him only a few months ago.

I did have some trouble with springs on an R32 GTSt. The normal low Kings springs seem to be all wrong, about 35mm too low, even when the Bilsteins' perches were set on the highest groove. So I ended up with GTR springs, which is not a problem at all, as they are a higher rate than the GTSt springs anyway - right in the middle of the happy range of about 5 kg/mm.

You can of course get Eibach springs, and the coilover conversion (which costs a fair bit of money) is of course still an option.

When I bought mine originally, I had the same issue.

On the "std" (middle) setting, the whiteline lowered springs were about 30mm too low. Even on the highest circlip groove, the car still sat too low (10-15mm from memory). I ended up having more grooves machined into the shock (as recommended by SK). Car now (at its highest setting) sitts about 355mm eyebrow height on all corners but drivers front. Drivers front sits at 350mm.

Contemplating chucking stock springs back onto the bilsteins and running them at std height...

Edited by R32Abuser
GTSBoy Grand Master

GTSBoy

Posted
Posted

When I bought mine originally, I had the same issue.

On the "std" (middle) setting, the whiteline lowered springs were about 30mm too low. Even on the highest circlip groove, the car still sat too low (10-15mm from memory). I ended up having more grooves machined into the shock (as recommended by SK). Car now (at its highest setting) sitts about 355mm eyebrow height on all corners but drivers front. Drivers front sits at 350mm.

Contemplating chucking stock springs back onto the bilsteins and running them at std height...

That was with Whiteline springs? Gary has recently said to me that he'd not heard of anyone else having this problem with either type of spring. The Kings springs are supposed to be copied from the original Whiteline design (according to Gary, who designed the Whiteline spring). I had wondered if Kings had started stuffing up the specs on the R32 springs, but maybe there has been a problem of bigger proportions.

GTScotT Grand Master

GTScotT

Posted
Posted

When I bought mine originally, I had the same issue.

On the "std" (middle) setting, the whiteline lowered springs were about 30mm too low. Even on the highest circlip groove, the car still sat too low (10-15mm from memory). I ended up having more grooves machined into the shock (as recommended by SK). Car now (at its highest setting) sitts about 355mm eyebrow height on all corners but drivers front. Drivers front sits at 350mm.

Contemplating chucking stock springs back onto the bilsteins and running them at std height...

I have previously driven a well set up soarer in anger and loved the setup, bilsteins and 'stock height' King Springs.

Just a thought.

True to his name this thread is on track as a trip to whitecastle.

R32Abuser Mentor

R32Abuser

Posted
Posted (edited)

That was with Whiteline springs? Gary has recently said to me that he'd not heard of anyone else having this problem with either type of spring. The Kings springs are supposed to be copied from the original Whiteline design (according to Gary, who designed the Whiteline spring). I had wondered if Kings had started stuffing up the specs on the R32 springs, but maybe there has been a problem of bigger proportions.

Yup...with the whiteline springs that came in the kit.

IIRC I had a PM from gary where he explained words to the effect of..."On the std (yellow) cir clip groove, std springs will sit at OEM height (~360mm eyebrow height or there a bouts)."

The whiteline springs being the lowered type (~25mm lower than std), would make the car sit 25mm lower than OEM height on the std cir clip groove.

Hence, you would need to have a cir clip machined 25mm offset to the std. All of this is not taking into account any spring sag...

Edited by R32Abuser
R32Abuser Mentor

R32Abuser

Posted
Posted

Nah that can't be right. That ~350mm height is the best lowered height. The standard height is somewhat higher than that. Something like ~370mm.

Cant remember what the OEM eyebrow height is, but I know to pass regency its 360mm. 370 probably is about right now that I think about it!

discopotato03 Grand Master

discopotato03

Posted
Posted

Last time I asked Gary he said the Evo spec Bilsteins from some 8s and 9s are pretty good valving wise . A certain 7 is doing well with them though you do get side load problems if you use concentric lower spring seats on the front ones - which would include pretty coilovers .

A .

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