Presenting the 1975 XB John Goss Special Group C Prototype. Come and check out this Prototype John Goss Special race car at Muscle Car Masters at Eastern Creek Raceway today, Sunday, 9 June and hear it ROAR!!!! Built in collaboration with a high profile Queensland based car collector, a car builder and engineer extraordinaire and John Goss himself over the last 3 years from a genuine John Goss special. This car is engineered and built to 1975 Group C specs to the highest standard of quality. A true work of ART that must been SEEN and HEARD to be believed! Proudly presented for sale by AMCS.
This is the car that John Goss dreamed of building and racing at Bathurst in 1975. Using a car that he and Ford Sales and Marketing head honcho, Keith Horner were determined to put into production as a 351 version of the Goss road car. It nearly happened then. A car that through much hard work and determination has now become a reality. Come see it ROAR!
John Goss Special road car converted and built to 1975 Group C Race Car specification by John Goss
Project Consultant: John Goss
Project Engineer: Darren Tongue
Build time: 3 years 2014 - 2017
Chassis Number: JG65RS 26237K
Engine Type: Ford 351 cubic inch Cleveland
Objective – True to period build spec, but upgrade to modern higher spec components where critical for safety and durability. Operating rev range 7500rpm. Safe limit 8500rpm. Block +0.030 bore, re-machined, trued and squared. Scat 351 billet steel crank, Scat H-beam rods, Venolia Hypertech pistons 12.75:1 will run on Premium 98. Bore clearance 0.007 inch. (1975 bore clearance 0.010 inch but not required due to new tech piston material). All bolts ARP brand.
Heads Ford 2V closed chamber modern bench flow ported. Enlarged stainless steel valves. Roller rockers. Port matched Edelbrock dual plane aluminium intake (copy of the Ford 1971 Boss 351 intake). Waggot E2 grind solid lifter camshaft reproduced by Clive Cams. Matching Isky valve springs and solid lifters. Mallory electronic distributor and coil. JE double row timing chain and sprockets. BoLaws billet Holley 750DP with Pavtek mechanical fuel pump with custom pressure modulating valve located on inner guard. Twin return springs. All braided lines. Period Ryco stainless mesh air filter.
John Goss custom sump with personal design surge protection baffles and windage tray set up. Blueprinted oil pump and custom pick-up.
Drive Train & Suspension:
Close Ratio Top Loader, new Ford shifter. Mid mounted cooler with electric pump. 11 in. Exedy single plate heavy duty hydraulic clutch. Custom fabricated heavy duty thicker tailshaft and hd universals. Nine inch disc brake rear end 3.25:1. Detroit locker centre, Strange 31 spline billet axles. Electric pump and external rear mounted diff cooler.
Front - Koni adjustable shocks, custom front coils, lowered top control arm, 21mm front sway bar, fabricated tower bracing kit, custom steering stop blocks. Rear – custom narrowed 5 leaf springs, custom design Panhard rod and modified diff housing to suit, Ford track bars creating period correct 4 link’ set-up with full rim/tyre clearance.
Brakes & Exhaust:
Willwood brakes master cylinder, booster, 4 piston callipers and cross drilled vented rotors. Head Mods (HM) short Try-Y design headers into period design handmade TIG welded Inconel aircraft steel dual side exit exhaust and mufflers sort of. (Ed: work of art).
Ford power steering with quick ratio box. Steering pump custom modded with pressure regulator. External engine oil cooler and pump. Custom engine oil catch can and return. Three core radiator and single manual 300mm electric fan.
Recreated long range fuel tank with two halves and serviceable seam joint to access custom internal 60 litre alloy fuel cell. Holman & Moody roll over plate and ball valve design with surge tank. Custom twin fillers in each rear guard, RHS requiring special fabrication for genuine cap insert with matching Ford fuel caps fitted.
Specified numerous extra gussets, body stiffening, body to chassis bracing and heavily reinforced front cross member. Custom rear brake ventilation through functioning rear guard side vents to custom plenum ducted under back seat flowing to inside of rear brakes. Body painted in 6 coats of 2-pack solid Polar White and clear over base Apollo Blue.
Original White trim changed to Saddle to reduce glare. 1970’s spec Recaro seats covered in period cord/velour. Twim SAAS 4 point harness. Rear seat foam is only recreation. Tall handle gearbox shifter and metal pedals. Custom alloy roll cage with improved design with front down tubes routed through dash to tie off to A-pillars and down to sill box. Medium sized period steering wheel (still manageable if power steering failure). Custom gauge panel with all new special order from UK Smiths gauges: diff oil temp, gbox oil temp, engine oil temp, radiator temp, engine water temp, engine oil pressure, tacho. Standard glass, winders, door handles and locks and hood lining. 1kg floor mount fire extinguisher. Painted metal floor.
Wheels & Tyres:
Wheels Performance Challenger 4 x 15 x 10in, with Hoosier racing slicks 265/50/15 rear and 245/50/15 front. 12in rims and tyres possible in rear wheel wells.