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Tech Autos

CAR BUILDERS make your dreams reality

CAR BUILDERS make your dreams realityCAR BUILDERS make your dreams reality

Roadster

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Design

Factory Five use an authentic 4” round tube design, and they feel strongly that a quality replica should have a period correct, 4” round tube frame, just like the original legend. The tubular ladder-style frames used in the original 1960s AC cars are more than beautiful, they are representative of a period of automotive design that is legendary. Factory Five chose to use this style of frame despite the manufacturing difficulty and cost, since a huge part of a quality replica is its faithfulness to the spirit of the original cars.


While originality is very important, if the frame doesn’t perform, what good is it? Factory Five kept the design style, but used CAD technology, better materials, and more consistent manufacturing methods to make it more than twice as strong.


Since 1995, the Factory Five Roadster frame has become known for its strength and ability to protect its occupants. With over 800 welds and hundreds of individual pieces of steel, the Mk4 frame is both engineering excellence and functional automotive art. The frame is a completely welded assembly and requires no welding or cutting.

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Interior

Inside a Factory Five you’ll find the largest cockpit possible for the car’s authentic exterior dimensions. The Mk4 has good legroom and excellent front/rear visibility.


The Mk4 kits include a complete interior:

  • Original British style bucket seats in black with tubular steel
  • frames (not inexpensive fiberglass buckets); optional leather
  • seats are also available in black
  • Padded dash cover, aluminum dash, toggles and indicator
  • lights
  • Complete carpet set
  • Emergency brake handle boot, shifter handle boot/ring, shifter and shifter knob
  • Authentic door latches, door hinges and leather check straps
  • All trim and gauges (or gauge conversion kit)
  • 5-point Simpson racing H-harnesses for both driver and passenger
  • Authentic wood/aluminum steering wheel with aluminum boss and center section
  • Rolled edge along the entire cockpit
  • We offer either modern or vintage-style electronic gauges, both made to match well with Ford electronics.

Factory Five Racing 289 AC Cobra USRRC

Mk 4 Running Gear and Spec

The Factory Five Mk4 Complete kit is configured to use a engine / transmission package  rear-end out of a 1987-2004 Mustang donor car (5.0 or 4.6 liter V-8, T-5, T-45, TKO, T-56, or 3650 transmission, and Ford 8.8” rear end). The kit is designed so that these parts literally bolt right in. You can use almost any Ford engine in the Factory Five Mk4. Select from:


289/302

351W and derivatives

390/427 FE

4.6L SOHC & DOHC Modular V8

5.0L Coyote Modular V8

Suspension

Front Suspension type: Independent double arm

Rear Suspension type: Solid rear axle 4-link, 3-link with panhard bar, or IRS

Shock-Springs: KONI coil-over with ride height adjustability

Steering: Manual or power assisted rack and pinion

Brakes: Vented 11/11.65 disc f/r

Wheels: Vintage or modern 15”, 17”, or 18” diameter

Tires: Common sizes are 245 series front/315 series rear


Vehicle:


Weight: 2,250 lbs.

Weight Distribution F/R: 46.9/53.1 (percent)

Wheelbase: 90 inches

Overall Length: 158 inches

Front Track: 58.5 inches

Rear Track: 58.5 inches

Overall Height: 48.0 inches

Overall Width: 70.5 inches

Ground Clearance: 4.5 inches

Fuel Capacity: 15 gallons


Construction:


Layout: Front/mid engine RWD Roadster

Frame: Twin tube space frame with integral backbone

Roll Cage: 3-point, structurally mounted 1.5” DOM Tubing

Sub-Structure: Aluminium paneling riveted and bonded to frame

Restraint System: 5-point Simpson Harness

Learn more

The Complete Kit

  

Frame:

Complete jig-welded original style 4” round tube frame. Includes all mounts ready to accept small block Ford and 1987-2004 Mustang running gear. Kit can be ordered to accept a wide variety of engines/suspensions.

• Includes 3-point roll bar, powder coated gloss black

• Includes passenger side roll bar mounts

• Chassis powder coating optional

Body:

Hand laid 3/16” laminate composite body and panels made with vinylester resin.

• Driver and passenger doors with moulded door liners and integral steel door frames

• Hood with moulded hood liner, and separate hood scoop

• Trunk with moulded trunk liner and improved mount face for license plate light

• Includes secondary body fasteners

• Adhesive backed and foam weatherstrip

• C-channel door edge trim and fasteners

• Plastic end caps and body fasteners

• Trunk and engine bay seal, push on rubber bulb seal

• Rubber hood and trunk bumpers

• Includes multi-adjustable door hinges with bronze bushings and fasteners

• Includes adjustable hidden trunk hinge kit, hinge mount plates and fasteners

• Includes hood hinge kit with hydraulic piston supports and fasteners

• Original quick-jack comp bumpers with stainless steel sleeves and fasteners

Chassis Aluminium Panels:

Includes over 40 laser cut, pre-formed 6061-T6 aluminium panels for cock pit, trunk, and engine bay.

• 1,200 pre-packaged rivets; 1/8” and 3/16” short and long

• Complete MK 4 cockpit aluminium with optional block-off plates and covers

• Engine bay aluminium assembly with aluminium nose sections and splash guards

Complete Front Suspension:

Unequal length A-arm control arms with coil-over shock suspension. Comes complete with all components and fasteners.

• KONI brand high-performance mono-tube, rod-end shock absorbers

• Coil-over kit for KONI dampers including spring hat, threaded seat and 500 lb. black powder coated springs

• Adjustable upper control arms with ball joints and fasteners

• Lower tubular control arms with ball joints and fasteners

Rear Suspension:

Our 3-link rear suspension option includes rear axle brackets, fasteners and axle straps to mount your Mustang 8.8” rear solid axle and brakes. Comes with all hardware required for installation.

• FFR Deluxe 3-Link suspension kit with rear-end brackets, upper link kit, and fasteners, including panhard bar kit with rod-ends and grade 8 fasteners

• KONI brand high performance mono-tube, rod-end shock absorbers

• Coil-over kit for KONI dampers including spring hat, threaded seat and 350 lb. black powder coated springs

• Factory Five tubular rear lower control arms with polyurethane bushings and fasteners

Or select our 2015 Mustang independent rear suspension option includes:

• Welded tubular steel IRS frame

• Upper and lower control arms with bushings, grease fittings, and fasteners, powder coated gloss black

• Left and right IRS toe adjustment arms with rod ends and fasteners, powder coated gloss black

• KONI coil-over shocks with coil-over kit, springs, and fasteners

• Right and left CV axles

• Rear wheel studs

• IRS e-brake cable adaptor

• Differential mounting components, bushings, and fasteners

• Driveshaft adaptor for manual cast iron centre section

Brake Kit:

• SN 95 style spindles with integral upper ball joint mount and fasteners

• Front hubs, fasteners and dust covers

• Front Brakes, Ford Mustang GT 11” front rotors with twin piston PBR aluminium calipers, brake pads and fasteners

• Master cylinders (listed in pedal box assembly), stainless braided brake lines front with mount clips, banjo bolts and brake line mounting fasteners

• Pre-flared 3/16” brake line and brake line T-adaptor

• Complete emergency brake handle assembly with leather boot and fasteners

Complete Steering System:

Complete steering system using 15:1 manual rack from tie rod ends and fasteners to vintage steering wheel and badges; collapsible design.

• 15:1 manual steering rack with inner and outer tie rod ends and fasteners

• Polyurethane steering rack bushings and fasteners

• Rack shaft adaptor 9/16-26 spline

• Nickel plated lower steering shaft (fully welded U-joints)

• Collapsible upper steering shaft, with friction washers

• 14” vintage wood and aluminium steering wheel with boss and FFR centre section and fasteners

• Steering bearings and hardware, including flange bearing, pillow block bearing and fasteners

Complete Fuel System/Parts:

Based on OEM style fuel tank and system, this assembly provides everything from the gas cap to the lines, and is designed to work with carburetted or fuel injected systems.

• OEM style fuel tank with mounting straps and hardware, vents, gaskets, pick-up and fuel level sending unit

• Fuel lines, connectors, and filler neck

• Pre-flared fuel lines (1/4” and 5/16”) with unions, barbs, hose clamps and high-press flex lines and fasteners

• Aston Le Mans style polished aluminium fuel cap with integral pressure cap, gaskets, ground strap, fuel hose to tank with fasteners

• 3/8” line, fuel filter, and connectors

Complete Cooling System/Parts:

Electric cooling fan and mounting hardware, radiator hoses, and fasteners.

• Electric cooling fan and mounting kit

• Aluminium radiator with cap and in-line filler neck

• Radiator mount kit and fasteners

• Stainless steel radiator hose kit including adaptor kit, fasteners and hose

• Stainless overflow tank with cap, hoses, hose clamps and mounting hardware

• 185 degree thermostat switch and wiring

Engine Accessories/Side Exhaust:

The Mk 4 base kit is configured to accommodate some big block Ford engines, small block Ford Windsor engines, and modular 4.6L and the 5.0L Coyote engine. Kit comes with alternate drive pulley assembly, oil filter relocate kit, and exhaust assembly to adapt Mustang engine and headers to vintage side exit exhausts.

• 4-into-1 side exhaust, bare steel with rubber hanger brackets, gaskets and fasteners

• 1987-1995 or 1996-1904 straight pipes

• J-pipe header-to-side exhaust adaptor, optional catalytic converter replaces this part. Full tubular headers are also an available option

• Oil filter relocate mount with fittings, hoses, barbs and fasteners

• Spin-on engine block adaptor

• Alternate drive pulley, spacer, pulley wheel and fasteners

• SB performance air filter, conical

• A/C replacement pulley kit and custom length fan belt with fasteners.

• Accelerator cable assembly: Includes the cable, return spring and retainer

• Optional full length tubular headers for: 302, 351, 390/427/428, or 5.0L Coyote

• Optional catalytic converters for: ‘87-’95 302, '96-'04 4.6L 2V or 4V

• Optional shorty headers with J-pipes for: 4.6L 2V and 4V, and 5.0L Coyote

• Driveshaft: Select from one of three available driveshafts with fasteners to match the engine/trans of your choice.

• Select one of the following:

• 28 spline 10.375” driveshaft for T-5 or Tremec 3550s

• 31 spline 10.375” driveshaft for Tremec TKO 500s or 600s

• 31 spline 12.875” driveshaft for 4.6L engines with T-45s or 3650s

Gauges, Dash, and Electrical Assembly:

End those wiring harness woes. Integrated harness and electronic gauges are just the start of this massive assembly. Choose either vintage/replica or modern/performance gauges to complement an authentic street style dash. Complete assembly comes with covered aluminium dash, dash buttons, toggles and indicator lights, switches, and horn.

• MK 4 pre-cut aluminium dashboard with fasteners

• Padded dash cover, black vinyl

• Custom fit chassis wiring harness

• Ignition switch with FFR keys, headlight switch, three-position turn signal switch, starter solenoid and horns

• Red, green, and blue dash lights

• Wiring harness mounting kit and hardware includes fuse panel mount

• Insulated line clip hardware and fasteners

• Cable ties, wire loom and flex grommet

• On/off switch, horn button, flasher and all connectors

• Battery ground strap

• Trunk mount battery hardware, cables and hold-downs with fasteners.

• Speedometer sending unit, pigtail, fasteners and speedometer gear

• Complete set of seven Autometer electronic gauges, with connectors, terminals and installation kit, which includes the following gauges:

• Speedometer (programmable)

• Tachometer

• Oil Pressure Gauge

• Water Temperature Gauge

• Fuel Level Gauge

• Voltmeter

• Oil Temperature Gauge

• OR select optional complete set of seven vintage FFR replica electronic gauges with connectors, terminals and installation kit, which includes:

• GPS Speedometer (reverse read)

• Tachometer

• Oil Pressure Gauge

• Water Temperature Gauge

• Fuel Level Gauge

• Voltmeter

• Clock

Complete Interior Accessories:

The MK4 Complete kit comes with all the interior accessories you need. Authentic style seats, door latches, toggles, rear view mirror, and more complement the dash and gauges assembly for a full interior that is period correct. Check out this full list of standard parts and assemblies.

• Authentic style roadster metal framed seats, black vinyl with fasteners

• 5-point Simpson brand harnesses. 3” wide driver and passenger, frame mounted with fasteners

• Complete cockpit carpet set, black all-weather

• Emergency brake boot, black leather

• Authentic interior rear view mirror with fasteners

• 7-piece electronic gauge assembly

• Original style door latches, fasteners and leather check straps

• Authentic stainless shifter handle, shift knob, boot, polished ring and fasteners

• Authentic 14” wood and aluminium steering wheel (listed in steering assembly), with polished aluminium boss and small centre badge

Exterior Accessories and Lighting:

Along with the goodies on the inside of the car, the MK4 complete kit is loaded with the right parts on the outside.

• Authentic chrome-on-brass vintage windscreen, tinted with side bars and fasteners; DOT safety glass compliant

• Authentic style three-lock set including T-trunk handle, L-shaped hood handles, matching keys, cam wedges, fasteners, latch pin sleeves and plastic end cap

• Authentic license plate light and bracket with fasteners

• Authentic style 3.5” Aston roller gas cap, polished cast aluminium with adaptor kit and all fasteners

• Competition hood pins

• High-quality laser-cut aluminium side louvres

• Ceramic FFR badge for nose and tail

• Original style headlamp assemblies, including buckets, halogen headlamps, trim rings, and fasteners

• Original style British front amber turn signals, and red rear tail-lights

• All lighting is DOT-approved

• Authentic bullet style side view mirror

Complete Pedal Box and Components:

Leaving the Mustang pedal box behind, the complete MK4 kit utilises the proven Wilwood brand pedal box with fasteners and all the required ancillary parts

• Wilwood pedal box with adjustable pedals and mounting hardware

• Master cylinders, clutch quadrant, clutch cable, threaded firewall adjuster

• Accelerator pedal, accelerator cable, return spring and ball stud retainer, with fasteners

• Brake line adaptors and T-fittings

Oil Filter Relocater/Alternate Drive Pulley Assemblies:

An oil filter relocation kit comes with all hoses and hardware. Other parts to help 302 EFI and Mustang engine users include:

• Oil filter relocation mount with fittings, hoses, barbs and fasteners

• Spin-on engine block adaptor

• Alternate drive pulley, spacer, pulley wheel and fasteners

• Air filter, conical

• Fan belt, six rib

Fasteners:

More than 1,500 top quality zinc plated, chrome and stainless steel USS and SAE fasteners, numbered and packed individually by assembly.

MK 4 Roadster Complete Kit Assembly Manual:

Bound 400+ page assembly manual, also available in PDF by email.

What needs to be added to the complete kit is:

  1. Engine and gearbox, we got you covered with engine packages direct from Blue Print engines prices starting around £11000.
  2. Rear end which can be either a fixed live axle or a 2018 mustang rear end and rear brakes.
  3. Wheels and tires again we have packages available if you wish to stay period 
  4. Paint
  5. Battery


With the RHD conversion we have it done in house with Factory Five. If you wish you can modified to suit your own comfort and enjoyment. 

Factory Five Racing Mk 4 roadster AC Cobra

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