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Topic Started: Sat Sep 6, 2008 5:59 am (1,140 Views)
Racing
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This is where we´re at right now.
Buildup has been postponed a fair bit due to workload at the shop i´m sorry to say,so plans for this season had to be put on hold.
Work DOES continue though and i expect the build to be done over fall/winter.

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(C 32 brakes asf)
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Neil
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Two words.
Nice wheels! :P

Looks like a serious setup, but tbh I've no idea what half of that stuff is... I'm sure the Turbo boys will be along to soil themselves shortly though :D
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dennisbots
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hey jesper good to see your internet still works haha
i just was wondering, you talked to catcams about some spec camshaft's for turbo charging.
Did you end up ordering the 'turbo's cams they offer now or did you orderd some NA cams?
I don't know if they already did offer the turbo profile when you orderd them.
I have the turbo profile in house btw.
see page post 343 in your turbo questions topic (second last page)
Edited by dennisbots, Sat Sep 6, 2008 9:47 am.
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Dennis.
No.
Ones i use are NA cams of rather hefty numbers.
Like stated previously i expect the shiftpoint of the new engine to come in at around 10 000 rpms.
"Turbo" cams btw...what´s up with that on a DOHC engine?
Put another way,someone pluuuueaaase explain to me more in detail what a turbo cam is?

No pun intended or disrespect ment anywhere,but first couple of times i got in contact with Cat over their cams they were all hell bent on that they got a escort cossie engine to put down 500+,and wanted to recomend me cams accordingly.
Doh.
We do that up here with old pushrod Volvo B20 engines that ain´t even cross flow.
600 even.
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dennisbots
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well i thought the idea of the ''turbo'' profile was that the exhaust cam close's earlier so that you have minimal valve overlap.
So you have minimal lose of the boost.
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Racing
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Neil.
Those are the "every day" wheels for the car.

The ones i´m going to use for more serious work are center bolt speedlines.
Friend that has made the hubs called me up late last night and told me they were done.
Speedline EVOII centerbolts are true magnesiums and weighs of "nothing" compared to a more common alloy wheel.
Rubber...common "R" Toyos.
Then..for dragracing a pair of M&T 26*10.5*15 ET streets.

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Racing
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Dennis.
Exactly.
..and for a DOHC engine that is set where?
Ie,please tell me what comes with the word "turbo" here,and to my knowledge none offers ready cut adjustable cam gears for the merc cossie as of current.
They´re something you have to have cut yourself.
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dennisbots
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yea ok but if you set up the exhaust cam like that with big NA cams (make it close verry early) doesn't your exhaust cam in the ignition stroke opens to soon?
So that you lose some of the power (pressure) of the ignition stroke because of the early opening exhaust cam?
Or isn't that a problem
(not sure if im getting the point here i still have some jack daniels in my head from yesterday haha)
Edited by dennisbots, Sat Sep 6, 2008 10:29 am.
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Neil
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Jesper, for the sake of educating some of us, could you please give us a few captions for the pics?
Turbo conversions do intrigue me, but all I ever recognise are the chargers, intercoolers and manifolds.
All your other fabrication looks incredible, just wondering what all the parts are / do.
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Dennis.
Yeah,i know what you´re getting after and the short answer is that there´s about as many ways to set this up as there are tuners.
Up here we tend to rev a little more and bias the setup vs flow to try n keep the amount of boost down.
Ie,when it comes to camshaft phasing we tend to end up working with primary hedder lenght and exhaust back pressure to have the cams set more or less per NA.
For the sake of reasoning,i just helped out a friend with his vivedly tuned Volvo 4 banger.
Sports a Garett GT42 on 2.1 liters.Runs a cam set of an LCA of 104 deg.
Get´s boost at approx 3k,and boost is set for 2.2 bars total.
Runs like a friggin bat outta hell.
Point is that the whole LCA debate comes down a LOT to bias and how you put stuff together AS WELL as cultural differences.
Ie,in the US and Japan they tend to run wider LCAs with turbo than we do.
On the other hand..over here we´ve had to learn to work with the limited displacements that we had-cultural speaking.
Who´s right?
You tell me,but i for one at least cherish an engine that has a little character built in.(Ie numericaly lower LCA,which in the case of the cossie means 108-110deg depending)

Neil.
Sure.
Most of it is of the new diffusor intake setup.
All of that flash n fancy aluminium will be finished off in eggshell black as time goes by.
It´s of how we CNC machined an intake flange for MY specific porting of my head.
Aluminium welds...
The new radiator and intercooler.Radiator btw is a "kit" intended for a US sprint car(Ie tube chassis and hit V8)

Lasercut exhaust flanges for welding up turbo hedders-black steel.
Turns out that for various reasons when building such the heavy hitters seem to use a black steel flange and stainless pipes of high end.Unholy as far as welding maybe,but doable.
The ones we cut are 15mm thick so not to warp as easily when you hit them with the TIG.

Then there´s the new valve retainers that we CNC cut out of a fairly expensive material known as Alumec.
Last pic of them are when they´re hard anodized,which brings the hardness of them up to rockwell scale C 65 approx(which to the layman means they´re harder than most steels)

Last pic is of intake,and then the vaccum station of it.
Vaccum ports are needed and used in abundance on turbo engines.
Like..pressure gauge,MAP sensor,BOVs,wastegates,boost controllers aso aso

Some of the "new" gearbox.
Now modded to take an external pump as we´ve experienced excessive wear due to acceleration throwning the lubricant rearwards in the box making the front gears running dry.
Likewise,a modded shifter setup.
Elongated arms and uniball ends for the shifter rods.Makes for a VERY sturdy feeling shifter as you start to lean in on it.

Then..pics of the front wishbones and how we in a simple manner mod these to take Delrin bushing setups with "aircraft" 7075T651 aluminium inserts of larger diameter to reduce loads on the bushing.
Works very very very well...
Ask Johan...Kim et al that has driven the car as it stands(use it as a daily and have been since i picked it up)For a streetcar it is very well balanced and corners like on rails.Really.

Car is up and running since months back on a prototype VEMS unit.
Has taken me and the mrs for instance back n forth to Berlin at elevated speeds,and the only complaint I have is that it turns a little loud as you pass 200km/h...but i guess that comes with the territory as everything rubber in sight is tossed out of the car these days.

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Cruising along like this for miles and miles at end is no prob what so ever-in contrast to stock.
Car really "talks" to you,and you(I at least) feel total comfort in it doing so.
Radiator setup,fan aso-that is controlled by the VEMS btw-works better than expected i´d say.
No matter how silly i get...temp stays at 83deg celcius.
Going to be interesting to see the outcome with the new engine though...anxious to say the least.

Just helped a turbocossie guy over here cross the finish line yesterday.Martin.
A GT37 @ 1.6 bars.VEMS.
Only real prob left to solve is that of temp,which is on par with the fidnings with my late car as well.
OEM rad simply does not cut it as power goes up beyond 400+.
Edited by Racing, Sat Sep 6, 2008 10:53 am.
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Racing
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Btw.
We had to recalibrate the speedo for the new face of 320km.
Not the end of the world,and it turned out that another old friend did that for a living(works on taxi cars day to day)
Tacho on the other hand could be recalibrated inhouse by the use of a GOOD(Mac tools) strobe light and taking it apart on a running engine.
There´s potentiometers on the circuit board that can be adjusted to make it be spot on.
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Racing
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Neil.
Like stated.
Speedline centerbolts.

Requires some sort of fasteners.

Well....made in gothenburg...unique...with pride.
This...this is pure sex.
Pure.

2541CrMo Swedish toolsteel(sort of like a very very high end 4340 US) and 7075T651 spacers.
Nuts are from Porsche GT3 as are retaining clips.
"Ra"(surface finish) under 0.8 for all pts.
Remains to have the aluminium anodized and the steel electrolyth treated.

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Lighter and easier than your girlfriend of past even... ;)
Edited by Racing, Thu Sep 18, 2008 11:38 pm.
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Mohammad
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weneakhborz
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how much Hp out there?
by the way what did you say the button on the gear knob was for?
Edited by Mohammad, Sun Sep 7, 2008 2:30 pm.
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Racing
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W.
Yeah...i know...i know...i´m an idiot...tell me about it :)
Center bolt spacer did turn out as works of art.No two ways about it.

More serious note tho.
Button on the lever is hooked up to something called launch control.
Mainly used for turbocars to get boost from a standstill.
As i press the button the ECU activated a "second" map matrix that retards the timing adversly(commonly set timing to after top dead center) and injects extra fuel at the same time.
What this results in is that the unburnt fuel will burn in the exhaust hedder,and have greater mass,which in turn spins the turbo into positive boost levels whith the car still standing idle.

Brings that i can leave the "line" in dragracing with for instance 1 bar right out of the hole,and the turbo will in effect "feed" itself as soon as i let go of the button and clutch simultanously..
Amount of boost is controlled by how much i play around with the timing and fuel mainly.

One also normaly set off a lower rev limit at the same time-with the button-for instance 5000rpms if that is your starting rev,and this can also be ECU controlled.
This leaves you with a scenario where you mash the throttle pdeal to the floor and the engine will just create boost and stand hammering at 5000rpms.

To ad insult to injury i for one also monitor and overide the whole process with an exhaust gas temperature probe as the procedure produces ENORMOUS amounts of heat and might very well damage a motor and/or turbo.
Therefore i program the ECU to cut the process if EGTs go through the roof(for instance if i have to wait for the guy in the other line to get into stage for too long)
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pentoman
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Man alive.

I would have kept the weight in though, full interior but with a roll cage.
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Mohammad
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weneakhborz
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really awesome man.i got it man.it is called anti lag somehing isn't it?

that is amazing
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Racing
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In essence,yes.Altho antilag works a little different they amount to about the same thing.

Hub setup for the centre bolts are done.

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Mohammad
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very nice
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Everton
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saweet!!!!!!

I'd love to take that for a spin, lovely interior also
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zoomer46
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good to see you back here in fine form jesper, are you going to put it on a rolling road to fine tune it ?
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Racing
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Idea is to put the entire engine on a dyno when time comes.
Friend of mine has an engine dyno that will take 800hp and 10000rpms.

When i told Stefan about the whole setup,and that we might very well surpass at least the 10 000rpms...i asked him how we´d handle that.
He went silent for a couple of second and replied.
"-We´ll just wear helmets in the dyno room!-"

Well....*LOL*

Further,as things are prospering rather well me and Jörgen of VEMS have agreed on picking up a brand new chassis dyno when time permits from the US company land&sea.
A dyno by the name of dynomite.
Supposed to be good,and seing the current exchange rate for the dollar...

Then tuning.
Yes.
A dyno has its merits.
However,for a turbocar there´s no replacing tuning it out on the open freeway/street as that is where it is going to live its life.
God knows that there´s a LOT of little things that make for an entire car setup.

I just finished a couple of turbo installs on valvers for some Swedish boys,and they´ve spent the season competing in drifting and god knows what,so...hard currency to me is actualy time.
But..consistancy always wins.
I´ll get there...although a little johnny come lately.
Drawback of going balls to the wall i guess.
All the little things indeed sum up.
Edited by Racing, Thu Sep 18, 2008 11:36 pm.
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Mohammad
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weneakhborz
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i always wonder why don't we find any media stuff for such machines.you say you have done some.why don't those folks post any on the net.if i had such a thing,Even the girlie looking males in Bangkok would know who is WeneakhBorz and his 190 :lol:
Edited by Mohammad, Fri Sep 19, 2008 12:40 am.
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Racing
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Oh...they´re out there.
Just that Scandinavia is a long way.
Don´t fret.

Try youtube.Search for 190s.
For instance Dennis("Denta") and his gun metal grey 190 valver turbo....
Or..Martin and his black valver turbo that i just finished the other week.
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Or Johnny and his 300CE with a 104 24 valver Lotec from origins..
Asf asf asf..

However,it´s not all mercedes.

Like...we souped up this one just recently

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...and this....

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(M3 E36 turbo)

As well as an AC cobra,another Pantera II,an old excalibur from 69 asf asf asf.

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Mohammad
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i have seen denta's Video on the tube.oh my god man.what a machine.and the guy Drives Really good.
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Raceboy
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Hi Jesper! ;)

Finally ended up here too. I now have a 2.3-16 as a daily driver (Porsches are for pure fun now) and it runs on VEMS already. No plans on modifiying it (YET).

And you've been very busy as I see! VERY nice work.
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Neil
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Welcome fella - your 2.3-16 on VEMS sounds interesting...
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dave_irl
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Welcome :)
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Mohammad
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yeah.Pictures and Vids mate.as soon as possible :)
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Neil
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Basically, we want a full report, on our desks, by 9pm.
Tonight.
Got it? :P
Edited by Neil, Fri Nov 14, 2008 6:13 pm.
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Enthusiast
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Part of things
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off to the pub more like
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Neil
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This NEEDS a bump ;)
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Mohammad
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it really needs it.
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