VIN 12306 'Auryn' : RHD twin turbo rebuild

[Domi]

The page in question is here I think: http://www.facebook.com/photo.php?fbid= ... =3&theater

Thanks for the link

[bozzzydmc]

Interesting little read

[Starglider]

Yeah that guy is pretty crazy. He finds and starts complaining about an engine build that has nothing to do with him, declares himself a 'stakeholder' for no comprehensible reason, and then works up a persecution complex about people somehow criticising his car despite no one else in the thread doing anything but try to calm him down. I've seen him do this on DMCtalk before; randomly explode at people and then try and pretend that he is the one being picked on (e.g. when one guy turned out to have a similar username to him).

[dmc4087]

I was able to read a few posts down then

[Starglider]

Earlier in the thread there was some debate about how the car should be registered. I initially was expecting 'new build' but then everyone advised '1983, restored' (including Chris, at the time). However I've now had a detailed discussion with the DVLA, explaining the circumstances and asking how they think it should be registered. They said that if it was built this year from components never used in a road-going vehicle before (except for some engine parts if fully refurbished)*, it should be registered as a 2013 vehicle. They also said that if constructed (substantially, based on the IVA points system) to a mass-produced design (UK import approved although not EU type approved) with original engine then it should be a 'low volume production vehicle' not a 'kit car'. Fortunately Ed's EFI & modern catalytic converters will easily pass current UK emissions standards, hopefully the rest of the car will pass IVA inspection in which case it will be a genuine 2013 build DMC-12. We can keep the original WH VIN plate and will not get a Q-plate, as given a 'certificate of newness' from P J Grady and DMC Europe there is no ambiguity about the build date. I've checked with some insurance companies that a 2013 DMC-12 (RHD, twin turbo etc) can still be insured at a semi-sane price.

To the best of my knowledge this will be the first official DMC-12 built since 1983; various people have done total rebuilds e.g. DMCH remanufacturing but AFAIK those were always registered as restorations of 1983 vehicles. Of course, please correct me if you know of another DMC-12 with a post-1983 build date.

* The binnacle is salvaged/refurbished but I don't think it counts.

Here's the up-to-date list of all modifications from stock made (by me, Chris N and Ed Uding) so far in the build process, none of these compromise IVA compliance (some of them actually improve it);

Chassis / Body

Original unused fibreglass tub & (most of) stainless panels (a few newly made panels).
Epoxy & powder coated original unused frame
New stainless door mounting box, front energy absorbers, numerous stainless brackets.
New stainless door latching boxes, NOS torsion bars
All new glass (small 'twin turbo' badges in rear quarter glass), weather seals.
Flat / no-flap hood with DeLorean logo moved to left side, 'twin turbo' logo added below
Fibreglass front & rear fascias, glossy black
Clear perspex headlight covers
Soft lift door struts mounted with stainless load spreader plates.
Thinsulate sound insulation in wheel arches, various body cavities
DMC Europe wide-view curved wing mirrors
Removable goose-neck tow bar (with multi-point stainless support structure).
Front coil tower brace strut
Original Wooler Hodec VIN plates (VIN 12306)
Luggage rack
Split side rub strip with indicators & grey dealer strip & 'twin turbo' badges between halves
Stainless door handles, upper finnisher, brackets, warning labels, hinges, rock screen etc
UK style number plate bezel with glossy black metal apliques
Rear stainless DeLorean lettering + new recessed 'twin turbo' stainless lettering in same style

Drivetrain

Replica Wooler Hodec RHD steering rack & column (P J Grady Europe)
Electric power steering module (DMC Europe, speed & torque sensitive)
Heninger strengthened lower control arms
Refinished / refurbished late-style wheels, with new center caps & chrome nuts
5-speed gearbox rebuilt with new seals, one-piece input shaft (no coupler), strengthened fifth gear and altered ratios.
Stronger shifter pivot bolt
High-performance turbo clutch (DMC Europe)
Quaife torque-sensing limited-slip differential
SPAX shock absorbers, Eibach coil springs (european bumper height)
All-around polybushes for suspension & sway bars (except rear arm bushings).
Rear sway bar, mounting to hubs, routed through cradle tunnel (Martin G)
DMC Europe upgraded TABs with special T auto upgraded TAB covers
NOS Saab 900 brake master (for 50/50 balance), new stainless hardlines & flexible lines
Numerous other new or NOS parts (angle drive, bolts, fasteners, boots etc : essentially everything that didn't come in the salavaged-from-WH parts pile)
New tyres with DMC logo valve caps

Engine

'Legend-style' twin-turbo PRV with air-to-air intercoolers, cast replica Legend V-piece etc
Built up from scratch using refurbished DeLorean bottom end & Volvo block
Ed's forged turbo pistons, new cam shafts & conrods (target ~300 HP)
Z7U 2.5 metering air manifold, Kronenbrug EFI & ignition system
Custom stainless exhaust with twin mufflers / catalytic converters
Chrome-effect powder coated
Stainless coil cover replicating Legend / VIN 502 style.
Stainless throttle cover, custom coolant tank, drain plug etc
All new water pump, seals, pulleys, hoses (all sillicone) and belts
New fuel lines, high power pump (special T auto), refurbished distributor.
Brass/copper three-row radiator with low current fans & air dam (special T auto)
Stainless engine cover grills with DMC logo
Air bleeders on clutch & coolant lines
'Production-style' intercooler air scoops (shorter than Legend prototype design)
Cruise control (late 80s NOS system)

Electrics

140 Amp new alternator (special T auto)
All LED interior / exterior / door / console lighting (except headlights)
Electronic courtesy light dimmer
Electronic instrument panel light dimmer
Pop-out motorised 7" LCD screen & radio & amplifier
Bluetooth hands-free system
Main speakers upgraded to Eclipse units (329CF fronts + Infinity 529I rear)
12" subwoofer in cubbyhole door, fed by dedicated bridged amp
8 x external marine speakers; four behind grill, four in rear, with dedicated amp
Splitters and volume controls for sub & external speakers
Aux instrumentation in boxes magnetically attached to top of binnacle (invisible mounting)
Twin boost pressure and exhaust gas temp sensors feeding digital + analog LED displays
Eight ultrasonic parking sensors feeding four way proximity bars + front/back distance readouts
Digital speedo (not GPS : uses power steering speed sensor), outside air temp, voltmeter
Rear camera embedded in license plate holder, feeding LCD screen embedded in rear view mirror
Heated wing mirrors (on rear defrost circuit)
More robust fuse panel with light-up (on blow) fuses.
Quad-port powered ruggedised USB3 hubs in glovebox and center console
Powered radio aerial coming up through shaft / hole in intercooler scoop
Heated seats (dual temp)
Switchable side marker mode (classic / indicator repeater only / hybrid flashing marker)
Sidelights relay (unloading headlights switch)
Wings-a-loft remote locking, door & trunk opening & car alarm/immobiliser
Battery isolator solenoid (manual concealed switch) + improved earth strap
Electronic replacements for fan/fan fail/RPM relays, other relays are just new.
Some NOS wiring harnesses, some brand new.
Annoying warning buzzer replaced by Pontiac chime module, with silencer switch
All-new switchgear, LED light-up center console switches from DMC Houston
Defrost / Fog / Aux switches are window switches with relays for touch-on / touch-off
UK spec LED dual rear foglights. Concealed white LED strips in radiator area for front fogs
Concealed white LED spotlight, uplights DMC grill logo
Submersible white LED uplighter strips in engine bay
Rear bumper DeLorean & Twin Turbo lettering illuminated with white EL wire outline
Retractable remote-controlled front number plate holder
Split sidelights / indicators in front marker bays; '80s halo' custom lenses made from six Lada indicator/sidelight cluster lenses
Trailer electrics (13-pin euro style socket behind flap)

Interior

Grey, with new pedal box & dead pedal
Refurbished / recovered binnacle & cluster (with 140 MPH speedo), new vinyl
Flipped vents and radio mounting (so that pop-out screen does not block vents)
New two tone grey seat-covers with Legend logo on headrests
Machined aluminium shift knob (replaced stainless sphere one)
Stainless shifter gate with light-up DMC logo
Stainless electroluminescent door sill logos
Soft-touch dark grey headliner fabric
NOS steering wheel with DMC logo leather center patch
Stainless electroluminescent headlier logos (matching sill logos)
Original console clock.
'(LI) Twin Turbo' seatbelt covers (with Legend logo)
Assorted detailing e.g. 'handling by Lotus' badge on center console
All-new AC system with special T auto upgraded orifice valve & hub (with pressure meter)
Reinforced grey-painted stainless latching points for BTTF props (e.g. overhead & center consoles)
DMC Europe floor mats
Cargo net

TODO

Brake calipers. Martin G does hi-spec ones but
(a) they're $3000ish,
(b) the all-hydralic version loses parking brake force when the discs cool
(c) the version with mechanical parking brake isn't UK IVA compliant
Ed Uding does front-only sports calipers for $2000ish
Or could find some NOS originals.

Stainless rear spoiler with integrated high-level brake light (rear fascia integrated)
Car computer (media center & GPS Nav)
Might integrate a 240V inverter for convenience
Dash cam
Maybe use waterless coolant e.g. Evans
Unfortunately Welmeod's slightly larger wheels have no ETA, would have used them if available
Quick install/remove BTTF prop pack!

Happy to hear any further suggestions for stuff to do on the car, although I am trying to maintain a 'plausible 1984 factory turbo car' theme as much as possible (electroluminescent logos excepted).

[dmc4087]

Some spec.

Would you not get the chassis galvanised?

Also the fibreglass front fascia - having to remove the entire fascia to change a bulb would be a real pain. The originals can be reinforced and straightened.

[bozzzydmc]

Yes just my thoughts if I'm honest

Hope you are happy with it .. must have spent a small fortune on it .. For that it must be a keeper?

Hope to see it soon !


Mike

[Manxmann]

Cool, I must admit I thought the handbrake was the other way round ie. hydraulic was _NOT_ allowed they had to be mechanical, so does this mean your keeping the original style 'park break' as well?

[Starglider]

Would you not get the chassis galvanised?

Seriously considered it - got a quote from a place Manxmann recommended - but Chris N strongly advised against it, both because of the risk of warping and because badly done it can corrode worse than the original. Chris applied his own epoxy + powdercoat technique which he says is most robust than the original. Since we started with an unused bare steel frame and I won't be leaving the car outside or driving it on salted roads, I don't think frame corrosion will be an issue.

Also the fibreglass front fascia - having to remove the entire fascia to change a bulb would be a real pain. The originals can be reinforced and straightened.

The only bulbs left in the whole car are the headlights and the battery charge bulb, everything else is LEDs. There weren't any fascias in the original ex-WH parts pile so we had to source new ones anyway. Chris was telling me about the difficulty of getting a properly straight plastic fascia without the outline of the stiffeners becoming visible and seemed sure fibreglass was the best way to go.

Cool, I must admit I thought the handbrake was the other way round ie. hydraulic was _NOT_ allowed they had to be mechanical. Which is all our cars are after all.

The problem with the HiSpec mechanical ones is apparently that the clamping force (on the calipers that will fit) is insufficient for a car of the DMC-12's weight, hence unlikely to pass IVA and probably MOT (this is according to Martin G). The pure-hydralic ones clamp very strongly as long as the discs aren't hot, which you can get away with in an MOT but probably not in an IVA.

[Manxmann]

The 'Park Break' thought has peaked my interest so I've just been going through the M1 IVA test document. I can't see anything that specifically excludes using a hydraulic park brake, they do seem to use language that infers that a 'cable' is used I guess you can argue that hydraulic line comes under the partner term they always use of 'or associated component'

The only thing I see that would put me off i under section 9a the very first stipulation of:

'1. The vehicle must be fitted with a service braking system that is
completely independent of the control of the parking brake, capable
of functioning on all wheels by a single means of operation, which
will gradually increase or reduce the braking force through action of
the control.'

So you going to need a 'completely' separate hydraulic line and callipers to achieve this, is it really worth all the hassle? How are you going to modify the rear hubs for the 2nd calliper?