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Now in 2010 we do not have a JBA Factory producing any vehicle that has been evaluated in any articles in the various Kit Car Press magazines or approved by VOSA BIVA testing.
Please note these are the old build pages from 1999 to 2004 when we had a JBA Factory in full production from 1982 that was regularly featured in the Kit Car Press and complied with regulations including passing UK Vosa SVA/BIVA tests and TUV tests in the EU.
A 2004 JBA Engineering Ltd Sports SR kit has passed the new BIVA test in June 2009.
The
Donor
You have various options open to you. Lack of space
may prevent you from stripping down a car.
New regulations are making it increasingly difficult to
rid yourself of the remaining shell. However the bonus
here is that the cars are becoming cheaper and you can
cut your donor up to transport it to a scrap dealer.
Other alternatives are to buy a Donor Package. this is
all the parts you need already stripped from the Sierra.
JBA does such a package Email
them for a price.
Another Donor Package specialist is KitFit who supply
reconditioned parts for kit car builders, telephone
contact number is 01636-893-453. Another source is your
local vehicle dismantler, but be wary of buying a
written off vehicle, always ask for the log book, see
below.

New Regulations have come
into force 07-04-2003 regarding cars that have
been written off by the insurance companies. This is
crime prevention scheme against car thieves
"ringing" stolen vehicles.
This can pose problems for anyone building or
refurbishing a kit.
If a kit uses a part from a written off vehicle e.g.
Sierra rear sub frame, then it may be subject to a VIC
Check at a goods vehicle test station or other
government appointed station arranged by your local
Vehicle Inspectorate. This could happen when you come to
register the kit after it has passed it's SVA test. Fees
apply, More
Info.
The
donor car you need is the Ford Sierra saloon.
Remember that the Estate versions is not suitable as a
donor nor are 4 X 4 Saloon Configurations.
The engine size is up to your own preferences, various
Ford engines, Rover V8 and Fiat twin cam have all been
fitted. In fact JBA make a special chassis for the Rover
V8 engine.
Don't
just run out and buy any Ford Sierra, but go for one
fitted with the choice of engine you have in mind. It is
a very good idea to register the donor car in
your own name, this helps with the registration
procedure once your kit is built. Remember to complete
the SORN details, so that you do not become liable for
Road Tax.
The
components needed are
- The
whole back end, except the shock absorbers.
- Remember
the Bump stops.
- Final
Drive Assembly, diff including IR Suspension.
- The
engine complete with starter, alternator,
distributor, carb etc. engine mounts and exhaust
manifold.
- All
the electrical wiring and engine management system wiring
on an EFI engine.
- Side
Flashers.
- Gearbox
plus mountings and gear lever and all ancillaries.
- Exhaust
System (can be modified) Plus Downpipe.
- Whole
front end
- You do not need
the Mac Pherson struts.
- Steering
rack, steering shaft, steering wheel and lighting
stocks and cowling, anti roll bar etc.
- All
brake parts servo etc discs, drums, brake balance
valve.
- Wheels
necessary for moving chassis around, even if you are
buying new ones.
- Clutch
and accelerator cables.
- Pedal
Box including Pedals, Clutch, Brake, Accelerator.
- Also
label and save the wiring loom if you are going to
use part of it later, as you do not need it all,
remember the reversing lamp cable on gearbox.
- Plus
electric radiator fan if fitted and Fuse box.
- Battery
and Coil.
- Interior
door lock handles and connecting rods, you may want
to use them.
- Centre
Console you may or may not want to use it.
- Keep
the radiator and hoses plus heater hoses, use
radiator as part exchange.
- Bonnet
Stay use this to make stays for the Falcon.
- VIN
Plate or details from it. Handy if you have to order
new cables etc.
Some
builders use the original Sierra instruments etc. rather
than individual units and blend them in behind their
wooden dashboard.
If
possible try driving the Sierra around for a while, to
test it out, to ascertain it's mechanical condition
before you strip it down. Remember that the car
must be legal for the road, in order to do this.
Cleaning
Donor Parts
Once
you have stripped all the parts including engine &
gearbox you will have to use a degreaser, to clean the
parts. Remember
to block off all entry holes into the engine.
I used shrink rap and
polythene bags held on
with masking tape and left the old spark plugs in place.
You can buy
degreasing agents from Halfords, products such as "Gunk" is a good one, this can be brushed or
sprayed on, then leave it a while to get to work, before
washing off with water. If you have one of these Power
Washers use this to wash off the Gunk.
Next
is to use various sizes of wire cup brushes on an electric
drill and a wire hand brush to clean up and de-rust the
front & rear assemblies. Alternatively you can
have these parts sand blasted, which will produce far better
results.
These were then painted with undercoat and finally with
black enamel.
Many builders have these parts Powder coated.
Recondition
It
is advisable to refurbished all the brake parts with new components.
If the engine is sound, always renew the cambelt or
timing chain along with the fan belt. clutch plate &
thrust bearing.
You may also want
to fit a new alternator and starter motor. For anybody living in
central Scotland I would recommend Shandon Electrical at
Bellshill Industrial Estate. Tel: 01698 843602 for
alternators and starter motors. For other areas visit
your local motor factor. The steering rack is another
item that you should consider renewing, cost is about
£30.00p from a motor factor.
You will usually find
motor factors in an industrial estate near you.
More information about the Donor strip down below.

Save on Parts
If the firm you are employed with has their own vehicle
fleet and the fleet is maintained in your company's workshops. Ask your
fleet engineer or mechanic to order your parts. He will get them cheaper than your company
does.
Here is how it works, your company
gets a discount on the goods they buy, the more they buy the bigger the
discount. The firm supplying them wants your firms business and they want
to keep it. So they keep in with the mechanic, fleet engineer or stores
person and allow him maximum discount on parts for his own
use.
The next page deals with
collecting your Kit.
Top Photos Courtesy Of David Bradburn, Doug Philp, Robbie Gibson.
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