update

[e30_Turbo]

A few more pics:









Please excuse the air filter hash up, have a proper one sorted, just didn't make it to lakesdie to pick it up or my new suspension

[Jon_Bmw]

Looks good Mark, excuse my ignorance but on the first picture what is getting a pressure reading from the inlet manifold, the little black box beside the nicely placed coil . Is it something for megasquirt or have i got the wrong end of the wrong stick?

Thats turbo looks huge compared to mine

[e30_Turbo]

Looks good Mark, excuse my ignorance but on the first picture what is getting a pressure reading from the inlet manifold, the little black box beside the nicely placed coil . Is it something for megasquirt or have i got the wrong end of the wrong stick?

Thats turbo looks huge compared to mine

Jon,

Thats the sender for my DEFI boost gauge, it changes the signal to electrical and plugs into the control box. It's a real bigboystoy mate, it tells peak boost and you can set limits, even record a run and then play it back afterwards so you can see how the boost levels creep up or down.
Not cheap mind, but one hell of a bit of kit.
Not looking forward to buying the rest of them tho, about Ԛ£110 each!!

Still gotta have the toys aint ya

[Turbo-Brown]

Hooray, some good news!

Not all that interesting really, oil cooler, take off plate, remote filter housing and thermostat arrived today

Also, a load of little ball joints for the throttle linkages arrived. Just so hacked off with shearing a stud in the head that I can't be arsed to design some decent progressive linkage geometry.

Now if it were up to you, would you have a pretty much linear throttle opening to pedal position ratio, or slow opening for the first half of the travel and then much more aggressive opening for the second half?

Pissed me off the Clarkson was doing the M3 CSL on Top Gear and said "why isn't the throttle response on the super sharp setting all the time?" Well it's fucking obvious isn't it!? If you're tootling around town, you don't want to cough and end up zooming up the road, whereas if you're on some country lanes, that's exactly what you want!

Anyhoo, I've done some closed loop positioning systems and they're a pain in the arse to make work properly so I don't think I'll go for a two setting fly-by-wire system just yet......although, hmmmmmm.

On a simpler note, I'm thinking of making a couple of simple electronic boost controllers (one for each turbo) which will be a closed loop system, but which just switch solenoid valves on and off. Makes the strength of the spring in the actuator less of a factor

[lentec]

If i remember right isnt that how the old vauxhall throttle bodys work ie.a smaller choke for first half of pedel travel then a huge secondary that opens real quick?
If thats what you mean only with throttle bodys instead id say go for it!
Your dead right you cant have it opening like an on/off switch just wont be driveable in todays analy retentive roads not forgetting all the morons you get stuck behind who think its sunday 7 days a week!

[Turbo-Brown]

Was thinking more about having a linkage that causes the butterflies to open slowly initially, then speeds up their motion per unit pedal travel.

Have made the throttle tubes now and can't be arsed to make another 6

[lentec]

thats what i ment!
dont blame you

[lentec]

Does anyone recon that a 316i fuelpump is up to the job! me neither.

All that time and i forgot the bloody fuel pump! any sugestions for an upgrade or perhaps running two in paralel?

[e30_Turbo]

Does anyone recon that a 316i fuelpump is up to the job! me neither.

All that time and i forgot the bloody fuel pump! any sugestions for an upgrade or perhaps running two in paralel?

Are you still running that pump in the car now then lennie?

I bet the poor thing is shagged trying to cope with your 2.7!! Not too mention the more than triple fuel requirements!

Walboro seem to very popular, although I'm stayin with the stock pump until my MS tells me it's maxing out.

[lentec]

Another update from me!
Been playing with the m3dk its bloody great! but as ant sugested i do need bigger injectors!
So while at my local i noticed they had two volvo 760t turbos the plan was
that if 4 of these injectors can fuel a 2.0l turbo then 6 would be capable of running a 3.0l turbo!

So i noted the part# after a bit of googling looks like they are 350cc and 2.8 Ohms
So got on the phone to emerald to see if the m3dk will run them
it wont but the guy on the phone said i can run them with a resistor pack!
And back to google again and found quite a lot of talk on these resistor things
being little more than 10R 100w resistors
Have anyone else heard of this??

[lentec]

Right im off to the US to get some bigger injectors ect....
Oh i mean on hols
Just aswell realy costing me a fortune in fuel at the moment
and cant get any ultimate/optimax/super so have been running it on 95ron


Two weeks not working on my e30 what will i do?

[Toby_Unna]

Does anyone recon that a 316i fuelpump is up to the job! me neither.

All that time and i forgot the bloody fuel pump! any sugestions for an upgrade or perhaps running two in paralel?

Are you still running that pump in the car now then lennie?

I bet the poor thing is shagged trying to cope with your 2.7!! Not too mention the more than triple fuel requirements!

Walboro seem to very popular, although I'm stayin with the stock pump until my MS tells me it's maxing out.

all the e30 in-tank pumps give the same flow rate/pressure

i spent a long time unnecessarily worrying whether the 316i fuel pump was the problem when my old 3.5 was running crap at the top end

remember it's a 3 bar recirculating system so the pump runs at same pressure and flow rate however much fuel the engine uses...

andy335touring and i both have the standard e30 in-tank pump and it runs Andy's car fine at 250bhp-ish.

[Jon_Bmw]

A little update from me, fitted a 4x4 pajero possibly? intercooler into the car the other day, after not connecting up one of the boost pipes properly it felt rather slow, once connected it was fine! NO PINKING-so quite a good result, well chuffed, also finally got round to fitting a few gauges:






I feel relieved now that i can see a bit better whats going on, especially the oil pressure gauge. I think they look quite a factory finish...well i'm pleased with how they look. But the main thing was the functionallity of them not the looks.

Sorry for big pics, not to sure how to resize

[Ant]

Lookin good Jon

[e30_Turbo]

Well, so far so expensive!

Seems the head stud is gonna have to be sorted with the head off, so going to have to say goodbye to her for a week while it's being done.

So a new set of gaskets, head bolts, cam belt and tensioner on order and 12 new head studs too! (I need studs fit the manifold as it's tight to get bolts in when against the head!)

So no more boost for me for a few weeks

Jon, looking good mate

[lentec]

Alex send me your email so i can send you this map!

[Turbo-Brown]

Hi Len, sorry, forgot to put it in that PM!

Could you send it to mcbain3@gmail.com

Anyway, update from me is that nothing's going right

The exhaust doesn't fit and I might need to adjust the front manifold to clear the oil take off plate.

Also spent ages trying to figure out how to machine that bolt that held the old take off plate on so that the new one would fit it. I've only chased one thread on the lathe before and that went alright. Of course, when you've only got one chance at it, something goes wrong :

Ho hum, gonna take a week off work soon to get the bloomin thing done I think, before winter really starts!

[Jon_Bmw]

Get that week booked off Alex, we want the first zone twin turboed,throttle boddied e30 completed! and apropriate videos supplied

Just came home from uni to get the runabout car, but couldn't resist my baby that was parked there. Finished painting up a mirror, slapped it back on, ready for my first go with the oil and boost gauges.

As expected its spiking up to 10 psi as the revs increase causing small "pinkage" so when it cools down and i've dragged my butt off the zone, i'm gonna close the wastegate up a bit to stop it over boosting.

I've heard of porting the internal wastegate to stop the dredded creep but unsure as to what benefits this really has.

Gonna try for an MOT in a couple of weeks at my old garage-this should be fun trying to get it through.

Howz it all going FI people. Yours still going ok Ant? I've read about Marks manifold stud problems,gutted for you but i hope you will have your baby back soon too! Lentec haven't read anything for ages, is it still alive? I hope so.

Jon

[lentec]

It is!
Been in the US for past 2 weeks thus no posts
Came back with a set of 42lb racing greens in hand luggage

First time to start after two weeks CLICK!!

Looks like my starting probs may have been the starter!
After a bit of 12v spaner welding on the starter it started

So going to try them now!

[Ant]

Mines alive and well, not used her much since I bought another tech 1 sport to runaround in, boost is still V low and I have yet to finish the tuning, no time and very little Ԛ£Ã”šÃ‚£ @ the mo

Situation has improved though, I'm changing employer next week as I've outgrown where I am now

[e30_Turbo]

I now have a laptop, new cleaned and polished cylinder head, new cleaned and painted rocker cover and inlet manifold so all is GO GO GO for head transplant and some tiding up, followed by some tuning!

Been playing with the boost levels also, now getting serious pull in 3rd and fourth, 5th needs more boost tho

[Turbo-Brown]

Woo Hoo!

Only 2 weeks untill my week of toil on Brown.

Will aim to finally get the TBs completed before then though

Did get the interior of the car back together on the weekend which is quite nice.

I've also rigged the shift light to use the Check light hole. I was planning to rig the lights in the gauges up to the ashtray light so I cut the bulb holder off from that, conveniently, said holder clips into the instrument cluster

[Ant]

Mark, I hope you did two R/covers

[e30_Turbo]

Mark, I hope you did two R/covers

No worries.....but you will have to fight me for the inlet manifold

[e30_Turbo]

<downer mode enabled>

Fcuking laptop aint up to the job to run the ECU program, bugger, start again! LOL!

[lentec]

wont that run on just about anything tho?!?

[e30_Turbo]

wont that run on just about anything tho?!?

Well yes, but as long as it's win 95 or above.......

I pressumed (oooops) it would too, ow well, start again.

One good thing from today is....I've been adjusting the boost up slowley over the last few weeks and for some reason I was not getting anymore, just thought it was due to the manifold leak, but having had a good chat to the guys at Essex Turbos's it seems, yes it is what you think...

I'VE BEEN ADJUSTING IT THE WRONG WAY!!!!

So have just been out to wind the damn thing the right way and see how it goes!!

(and it's def wound up a LOT more now )

[Turbo-Brown]

How's everyone adjusting their boost? Have you got threaded rods on the actuators or something?

Thinking I might run with the gates disconnected to start with I think. Should give me time to make some lower pressure ones.

[Jon_Bmw]

Yeah playing with the actuators alex, i did i simliar thing to mark the other day, wasn't really concentrating on what i was doing, tightened it up(when i actually wanted less boost) went for a drive and it felt like a rocket ship!

But basically, the harder the wastegate actuator is holding the wastegate the more boost, mines actually very slightly open as i don't want to much...for now

[Ant]

mine is ajusted the same way, I have a sapphy cosworth 4x4 actuator on mine, factory set for 7 psi, I halved that to start with and am now working back up to stock, then I'll stick a -31 on there for 11 psi

5.5 PSI peak for me, makes a big diff that extra 1 psi , I am wondering how much longer we can all be patient

Alex I assume your turbos are int wastegated , I used a coolant pressure testing pump to set mine up dude, lowest without getting boost loss was 2.75 psi, that actually boosted @ atmosphere and covered the depression from the cyl vacuum

worth a tweak chaps, just dont go mad

Oh, fitted new centre and rear exhaust today too, must say the turbo growl is quite loud now

[Turbo-Brown]

Yeah mine are integral wasgated. Have no idea what they're set to so will have to have a play with the boost gauge and a bike pump I think.

Given up for tonight after squodging my hand between the pillar drill and a shelf

Thought cossies ran more boost than 7psi!

Might buy a couple of actuators from them as that's all I'm after anyway

[e30_Turbo]

I turned it up to 0.5bar!!

YYYEEEHAAAAA

Catch me if you can!!!!!!

WOOOHHOOOOO

This is why I did this, every ounce of my body started shaking, every pore shed cold sweat............YYYEEEAAAHHHAAAAA!!!!!

All i can hear is VROOOOOOOOOOOOOM PSSSCCCCCHHHHTTTT.....FLUTTER FLUTTER...VROOOOOOOOOOOOOM PSSSCCCCCHHHHTTTT.....FLUTTER FLUTTER

IT'S FCUKING GREAT!!!

Sod patience TURN THE DAMN THING UP!!!!!

(ow but it pinks at 4k and above, so what )

[Andy335Touring]

(ow but it pinks at 4k and above, so what )

[glenn]

Thought cossies ran more boost than 7psi!

i think standard cossies are between 7-10 psi.
the mk4 escort cosworth i converted was 25 psi when i got rid of it.
that was with some other mods aswell.

[Toby_Unna]

right that's it

that really is it you've done it now mark.

'This is why I did this, every ounce of my body started shaking, every pore shed cold sweat............YYYEEEAAAHHHAAAAA!!!!! '

i'm doing this.