E30 Zone

Hyabusa turbo. Might find rallying it kills the gearbox/clutch though? Redtop, NA Cossie, Duratec, S2000 are probably your best NA options for a 4-pot rally car. No problem getting RWD bits for any of those. As someone else has mentioned, the MSA rules on drivetrain swaps are changing in the next ye...

Alex, have you considered glueing your intercooler together or at least the end cans to the core? I found some Loctite epoxy with absurd strength (something like 20N/mm^2 adhesion to clean aluminium, tensile test. Stronger in shear), it was also stable to well over 100degC, resistant to water and oi...

Morat wrote:Heresy on the e30 zone perhaps but if you've driven one you'll know that its begging for a thrashing.

Apart from the battleship sized fuel bill I'd have to agree

jk

pre facelift 318 M10 carbed car is 995KG with Engine. Strip it out and seam weld the whole thing you may get it down to 500kgs If those figures are right 900kg (un-caged) should be pretty easy then without touching the glass or wheels. Getting it under 800Kg would be a serious mission and would cos...

Going to drill a grid pattern of 8mm holes all the way through and weld an 8mm stick into each one to tie the sheets together :D Looking good! Just a word of caution, I did this with mine (just one support, not a whole array) and the circular weld seemed oddly prone to cracking as the plenum moved ...

Much is made of the 'peaky delivery' of a bike engine, it's nonsense... you have a 6spd sequental box so if you want more power you just shift down, it takes a fraction of a second. My BEC pulls like a train from 2nd to 5th (it lights the tyres if you push it in first and 6th is merely quick rather ...

I know that feeling
jk

Hey, this is looking pretty close to being done :cool: Just the plenuum and a thousand and one little bits left to do :x Out of interest, why have you pressed the bearings into carriers then the carriers into the TBs, why not fit them direct, do they retain an O-ring between TB and carrier? And what...

Anyone else ever get the feeling that VW made the G-LADER supercharger as one of their "for the sake of it" exercises? It certainly looks like that doesn't it. It couldn't be much more complicated or fragile yet doesn't perform much better than the simple roots blowers. I guess the justification ma...

Gear shifter is for a friend's Mini I'm doing (I really don't 'get' Minis but I do love hanging bike engines where they weren't designed to go :D ). I'm giong for a column mounted sequential shifter, WRC style (though mechanical obviously rather than electro-hydraulic). Sorting the shift in the E30 ...

It's always worth re-doing work you're not happy with even if it's bits nobody will see. You'll know it's there and it'll bug you (well, they bug me anyway!). It's all coming together now. but the 'little jobs' all take ages don't they. I just spent hours machining part of a gear shifter that nobody...

Ah... right <brain clicks into gear>

I was thinking of filling the rubber bush on the front wishbone.

I'll search for the PBMW mod.

If you can press new ball joints into the arms it'll save you about Ã‚£18 a side; the steel control arms are designed to have this done. Cool, I can but I'd have to drive to a friend's garage to use the press. Whole arms (no messing about) are tempting if the quality is ok. The rear rubber void bus...

you could always lower it, double skin the turrets and fit bigger gaurds :twisted: :eek: I like your thinking but with the tracks we use I've been wondering about trading the old dog in for a Cherokee Ltd 4L. You can never have enough ground clearance and guards don't come much bigger than the one ...

Brilliant idea!

My suspension has taken a bit of a pounding of late so it needs some work :chuckle: It's a (very low) budget build. Front is OEM 45mm struts, platforms moved up 35mm. E34 520 springs. Rear is stock + 17mm spring spacer platforms. When it works the handling is ok if a little vague but the ride height...

ya. i to believe that the ix has the drive shaft through the oil pan. so major $$$$ If you have to pay someone to do the machine work maybe. Parts from something less rare than the ix might save some money at the expense of added complexity. I had a similar thought after reading the RB25 Skyline tr...

Awesome work. I love the attention to detail, I just wish I had your patience.

jk

Turbo-Brown wrote:Guess if I rig it up to a 5v supply and a pressure gauge and list out what effect varying pressures have on the voltage output or something to that effect?

Now where did I put that power supply?!

That'll do nicely.
jk

The later designs have an ECU controlled (fly by wire) secondary butterfly to give progressive throttle response (and presumably to limit torque in lower gears as per the 'busa?). I guess people remove them and blank the spindle holes rather than just lock them open to improve the flow. Yamaha used ...

Your ali welding's looking really trick, as is the whole thing for that matter! All polished up it's going to look really :cool: I guess the thing to do with the small turbo is try it! Might be worth installing a mesh screen somewhere near its outlet for the first few runs though just in case :eek: ...

Looking really good :cool: I had to scratch my head for a moment to figure where all the plumbing will go, is there really room in the E30 for all that :) One thing that did worry me (and it may not be a problem at all) is what happens to the small turbo when the air divertor valve opens? Basically ...

Another A* from me. Very helpful indeed with organising shipping etc especially considering the meagre money in it for him. Genuine enthusiast and nice guy

Cheers,
jk

While you have the head off have it crack tested,they go at the back of the cam valley above 5 and 6.Other than that,all you say would suggest a radiator partly blocked,or a fan coupling not working.Are you winning any prizes? I think the rad's new just before I bought the car but I'll flush it thr...

Ah... if the ecu generates the tacho signal you probably can't get away with treating half the V8 as a 4 pot.

jk

I tried looking up the IC in the coding chip, but couldn't find a data sheet on it. What part no. is it? Building /2 frequency shifter is in principal easy, it's justa flip-flop but interfacing with existing circuits and making it withstand the harsh electrical conditions for more than a few minute...

It's a standard 1990 M20B20 abused for navigational rallying. Basically it wont regulate its temperature, on long downhill runs it gets cold (just above the blue) but under load and even at idle it shoots up into the red. First instinct was broken fan or mud on the rad (it's used off road) but they ...

Pity none of those make clear how they dealt with the clutch, the best of the fake lambo motors still has the flexplate fitted in all the pics. Custom flywheel and clutch would cost more than the motor, wonder if any other stock flywheel will fit

jk

Have a look on www.locostbuilders.co.uk and search for 'bellhousing', 'gearbox adaptor' and the like, loads of simple innovative ideas on there along with tips on getting alignment right. First thing I'd consider after not finding an E31 box is welding the bolt ring (cut down) from a 750 autobox ont...

There's a 5.0L and 5.4L varient but i and iL models could have either. All were auto.

Does the 5.4L have a VANOS system does anyone know, it looks like it does?
jk

Why not choose a lighter or shorter engine if you're worried about the weight distribution or are you just after a straightforward, well documented conversion so set on the M30? Next best option is going to be moving everything you can as far back as possible. Obviously there'll come a point where y...

Right, I'll sort you something out, increasing PW with increasing pressure, fully adjustable thresholds.... and a flashing light... should be fun. Do you have a sensor in mind? I finally figured why your PIC was misbehaving, switching leds off as you switch others on. It's to do with the read-modify...

Ok, if you're only wanting to look at the big blower op pressure as the reference signal that simplifies matters. You'll be able to do the core of that that with some op-amps (1 or 2 chip) and a few R's and C's, other than that you'll need a robust power supply and an output driver (MOSFET based). L...

If you can dedicate some time to the PIC solution it is your best option (besides finding extra PWM OP channels from your ecu). It should however be easy enough to make an analogue controller though it'll never be as adjustable and versatile as the PIC could be. All variable components in a car are ...

Turbo-Brown wrote:All I've been doing is clamping them down to a plank of steel about 3/4" thick which has been doing the trick nicely

That'll be a nice heatsink. I wish I'd done that, mine looked like a curly wurly when I'd finished welding up my runners

jk

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