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Forum: performance & modifications 06-27-2017, 02:29 PM
Replies: 27
Views: 4,058
Posted By Poik
Well, wheel travel is more of a compromise of...

Well, wheel travel is more of a compromise of packaging than anything else, which is why I didn't mention it. And we're talking about a 240, so the packaging has already been taken care of. In...
Forum: performance & modifications 06-22-2017, 02:36 PM
Replies: 27
Views: 4,058
Posted By Poik
Yeah of course the height matters as well, but in...

Yeah of course the height matters as well, but in general terms for a car those should hold true :). For a kart it's more tuning around the compromise of not having a differential. If you are...
Forum: performance & modifications 06-22-2017, 01:48 PM
Replies: 27
Views: 4,058
Posted By Poik
50-50 is a decent compromise. 50 to 55% front is...

50-50 is a decent compromise. 50 to 55% front is probably a bit better (safer behavior) for a street car, and 45 to 50% front is better for performance (better RWD acceleration, better braking, but...
Forum: performance & modifications 06-21-2017, 01:46 PM
Replies: 27
Views: 4,058
Posted By Poik
Well I'm not going to go through all the data...

Well I'm not going to go through all the data input work for you, but I'll give you the info you need to check for yourself. But you should pick your springs based on what type of car you want it to...
Forum: performance & modifications 06-19-2017, 04:35 PM
Replies: 27
Views: 4,058
Posted By Poik
The numbers in your first post about the Koni...

The numbers in your first post about the Koni dampers are useless. You can't just assume those values are at some measurement speed without actually knowing. I guess since you have chosen a fairly...
Forum: performance & modifications 02-21-2016, 11:30 AM
Replies: 41
Views: 5,830
Posted By Poik
Ok, so you are saying this is more of an aeration...

Ok, so you are saying this is more of an aeration problem comparing the stock twin tubes to monotubes then? How was a transponder used to measure wheel speeds? I've taken measurements too, as I do...
Forum: performance & modifications 02-21-2016, 06:26 AM
Replies: 41
Views: 5,830
Posted By Poik
And easier to get the overall valving correct, as...

And easier to get the overall valving correct, as disc changes result in less change in force at the wheel, so the steps between valving changes are smaller, so you have a finer range of adjustment...
Forum: performance & modifications 02-20-2016, 01:33 PM
Replies: 41
Views: 5,830
Posted By Poik
:drama:

:drama:
Forum: showroom 12-09-2015, 03:32 AM
Replies: 14
Views: 3,499
Posted By Poik
You can charge the battery with the engine, but...

You can charge the battery with the engine, but I'm pretty sure you can only drive the rear wheels from the battery, so it needs to be above the minimum soc to do that.

It's an eco car, even...
Forum: showroom 12-07-2015, 03:21 AM
Replies: 14
Views: 3,499
Posted By Poik
Every day at work, and I'm proud of what my team...

Every day at work, and I'm proud of what my team has done!
Forum: showroom 12-06-2015, 02:15 PM
Replies: 14
Views: 3,499
Posted By Poik
The car is a real driver's car. I know there...

The car is a real driver's car. I know there won't be so much interest on here for the car because of the price, but if you get the chance you should drive one. It will change your perception of...
Forum: projects & restorations 03-24-2015, 06:56 PM
Replies: 50
Views: 39,095
Posted By Poik
Well, I'm about 7500km away from the car, so it's...

Well, I'm about 7500km away from the car, so it's not going too fast. I have however made a new decision for the front suspension that will be super awesome and good and bring the car more in line...
Forum: showroom 02-20-2015, 02:51 PM
Replies: 11
Views: 2,292
Posted By Poik
It's not just all that and newer, it's a totally...

It's not just all that and newer, it's a totally new platform, and so much better. It does not handle like you would expect a 2 ton SUV to handle. This new platform is going to change how people...
Forum: showroom 02-18-2015, 02:15 PM
Replies: 11
Views: 2,292
Posted By Poik
New XC90 press reviews are in

Boom.

http://www.autocar.co.uk/car-review/volvo/xc90-0

And plenty more on google.
Forum: performance & modifications 01-08-2015, 05:25 PM
Replies: 67
Views: 20,782
Posted By Poik
Like is stated in the first post, the shocks are...

Like is stated in the first post, the shocks are about 1.5" shorter in their extended position than stock shocks, so you will be able to have it as high as 1.5" lower than the stock shock in it's...
Forum: projects & restorations 12-18-2014, 02:00 PM
Replies: 50
Views: 39,095
Posted By Poik
It'll always be still going :). I graduated in...

It'll always be still going :). I graduated in 2009, so that's probably why we never met. Yeah, I was mainly working on V40 and V45 when I was there. I graduated and started working full time, so...
Forum: performance & modifications 11-27-2014, 07:10 AM
Replies: 108
Views: 21,625
Posted By Poik
You can define the stiffness in each direction!

You can define the stiffness in each direction!
Forum: performance & modifications 11-26-2014, 04:18 PM
Replies: 108
Views: 21,625
Posted By Poik
Basically, the standard (in ISO and J670 Z-Up) is...

Basically, the standard (in ISO and J670 Z-Up) is X forward, Y to left, Z up. Origin is normally at rear axle centerline and ground plane.

I have access to Lotus Shark, but really this is all in...
Forum: performance & modifications 11-25-2014, 07:27 AM
Replies: 108
Views: 21,625
Posted By Poik
I'm going to go ahead and say that is not a "good...

I'm going to go ahead and say that is not a "good reference" since it was obviously written by someone with only a basic understanding of suspension designs, and it really doesn't touch much on the...
Forum: performance & modifications 11-24-2014, 05:48 AM
Replies: 23
Views: 2,944
Posted By Poik
Thanks John now there's coffee on my keyboard!

Thanks John now there's coffee on my keyboard!
Forum: performance & modifications 11-23-2014, 10:43 AM
Replies: 27
Views: 3,671
Posted By Poik
This. Ladder frames are good for 4x4s and...

This.

Ladder frames are good for 4x4s and long vehicle combinations, not cars that you want to have any sort of torsional stiffness in.
Forum: performance & modifications 11-23-2014, 05:06 AM
Replies: 50
Views: 8,389
Posted By Poik
The welds look just fine, and if the tubes are...

The welds look just fine, and if the tubes are pressed in the weld is actually barely even important. Nice job man, really nice to see someone look outside the box for options. My only complaint is...
Forum: performance & modifications 11-23-2014, 04:54 AM
Replies: 108
Views: 21,625
Posted By Poik
Did she pass?

Did she pass?
Forum: performance & modifications 11-22-2014, 01:17 PM
Replies: 108
Views: 21,625
Posted By Poik
When you get body roll, the outside tire gains...

When you get body roll, the outside tire gains camber to try to keep the tire at about the same angle to the road as it was before you started cornering. When you turn, the body roll angle is in the...
Forum: performance & modifications 11-22-2014, 07:19 AM
Replies: 23
Views: 2,944
Posted By Poik
Just wondering, why would you like to keep kjet?

Just wondering, why would you like to keep kjet?
Forum: performance & modifications 11-21-2014, 11:49 AM
Replies: 46
Views: 5,462
Posted By Poik
The wheelbase and things like tires and alignment...

The wheelbase and things like tires and alignment will have a big effect on the steering response, but Z3 M guys swap in the non-M rack if they are even remotely interested in performance. The non-M...
Forum: performance & modifications 11-21-2014, 05:00 AM
Replies: 46
Views: 5,462
Posted By Poik
I started compiling a list but then I found...

I started compiling a list but then I found another list, so I'll just add mine to this. Steering ratios of common sporty cars (plus our Volvos):

E92 M3: 12.5
Evo IX: 13.0 (2.1 turns)
Alfa...
Forum: performance & modifications 11-20-2014, 02:19 PM
Replies: 108
Views: 21,625
Posted By Poik
Woah dude, step away from the keyboard.

Woah dude, step away from the keyboard.
Forum: performance & modifications 11-20-2014, 12:57 PM
Replies: 46
Views: 5,462
Posted By Poik
I think the ZF racks are like ~3.5 turns...

I think the ZF racks are like ~3.5 turns lock-to-lock. At 55mm/turn, that's ~192.5mm total stroke, which would be quite a bit more than the XR4ti rack. Last time I had a 240 ZF rack in front of me...
Forum: performance & modifications 11-20-2014, 12:00 PM
Replies: 4
Views: 1,496
Posted By Poik
Definitely wrong, but hey, it was 50/50.

Definitely wrong, but hey, it was 50/50.
Forum: performance & modifications 11-20-2014, 11:51 AM
Replies: 46
Views: 5,462
Posted By Poik
There seems to be some misinformation in this...

There seems to be some misinformation in this thread as well, something isn't adding up with the 55mm per turn on the Volvo rack. Anybody have a 240 rack handy they can measure? Both lock-to-lock,...
Forum: performance & modifications 11-20-2014, 07:03 AM
Replies: 46
Views: 5,462
Posted By Poik
Well I don't have both, I gave up on the idea of...

Well I don't have both, I gave up on the idea of fitting a faster rack and just got the quick steer roll correction spacers instead for my 245, and am totally content. Still looking to find some...
Forum: performance & modifications 11-19-2014, 06:10 PM
Replies: 46
Views: 5,462
Posted By Poik
For comparing rack A to rack B, yeah. But...

For comparing rack A to rack B, yeah. But generally the "steering ratio" of a car will be the ratio of steering wheel input to the achieved wheel angle.

I've done quite a bit of internet...
Forum: performance & modifications 11-19-2014, 01:59 PM
Replies: 4
Views: 1,418
Posted By Poik
Ben's quick steer roll correction things are...

Ben's quick steer roll correction things are probably the best mod I did to my 245. You get fast steering, more steer angle, and it corrects the roll center after you lower the car. Boom.
Forum: performance & modifications 11-18-2014, 08:27 PM
Replies: 46
Views: 5,462
Posted By Poik
But John also said the rack travel on the XR4ti...

But John also said the rack travel on the XR4ti rack is 64mm/turn, compared to the 55mm/turn on the Volvo. It's faster, but nowhere near twice as fast, it must also have less travel than the Volvo...
Forum: performance & modifications 11-17-2014, 05:26 AM
Replies: 5
Views: 1,985
Posted By Poik
With a low spring rate, you pretty much will need...

With a low spring rate, you pretty much will need to have a long spring. But I think around 200lb/in will work really good for what you are going for. That's a bit stiffer than what the new V40s...
Forum: projects & restorations 11-15-2014, 06:43 PM
Replies: 83
Views: 27,671
Posted By Poik
No real updates to speak of. I was in the US...

No real updates to speak of. I was in the US this summer and drove the car for about 3 months. Didn't really make any progress on the car, but did have to work on it a little bit. I had two...
Forum: projects & restorations 11-14-2014, 07:45 AM
Replies: 148
Views: 32,930
Posted By Poik
Are you mounting springs in the stock location? ...

Are you mounting springs in the stock location? Because the motion ratio in the back is about 1.22, so the wheel rate will be 1.22^2 times the spring rate. I have 500/250 on my 245 and I think it's...
Forum: performance & modifications 11-14-2014, 06:20 AM
Replies: 5
Views: 1,985
Posted By Poik
Generally you will pick the spring rate based on...

Generally you will pick the spring rate based on how you want the car to behave (the ride frequency). Once you have a spring rate, if you want to get an understanding for damping curves, read these:...
Forum: projects & restorations 11-13-2014, 01:58 PM
Replies: 50
Views: 39,095
Posted By Poik
Yeah, originally I was planning to use an E30...

Yeah, originally I was planning to use an E30 rear axle (very similar to the E28), but the more I thought about it the more I leaned towards the E39. For me, it's not a daily driver or anything so I...
Forum: performance & modifications 11-12-2014, 02:18 PM
Replies: 52
Views: 5,878
Posted By Poik
That can be said about any sway bar combination.

That can be said about any sway bar combination.
Forum: showroom 11-11-2014, 03:32 AM
Replies: 290
Views: 60,979
Posted By Poik
Those wheels will look awesome on there!

Those wheels will look awesome on there!
Forum: showroom 11-10-2014, 04:02 AM
Replies: 50
Views: 6,120
Posted By Poik
They even came with the original tires!

They even came with the original tires!
Forum: projects & restorations 11-08-2014, 03:27 PM
Replies: 50
Views: 39,095
Posted By Poik
BMW E39 Rear Suspension

Well it’s been way too long since I’ve posted an update, but I have actually done some work on the car. I was able to spend some time working on it this summer, and my priority was to get the car...
Forum: showroom 10-16-2014, 03:27 PM
Replies: 53
Views: 8,196
Posted By Poik
Just saw this, glad it made it down without any...

Just saw this, glad it made it down without any issues!
Forum: projects & restorations 06-17-2014, 04:39 PM
Replies: 61
Views: 4,546
Posted By Poik
How did it go with pump gas and this compression?...

How did it go with pump gas and this compression? Great work so far!
Forum: performance & modifications 06-17-2014, 01:51 AM
Replies: 2
Views: 1,019
Posted By Poik
It would be easier just to make new ones.

It would be easier just to make new ones.
Forum: performance & modifications 06-11-2014, 02:25 PM
Replies: 9
Views: 1,013
Posted By Poik
Racecar.

Racecar.
Forum: performance & modifications 06-10-2014, 05:47 PM
Replies: 9
Views: 1,013
Posted By Poik
You think adding a return spring on the clutch...

You think adding a return spring on the clutch fork is going to change the actuation speed of the clutch...?
Forum: showroom 05-30-2014, 03:12 PM
Replies: 15
Views: 1,764
Posted By Poik
http://i.imgur.com/HiZVxDM.jpg

http://i.imgur.com/HiZVxDM.jpg
Showing results 1 to 50 of 300

 
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