SOLD! 1975 XB John Goss Special race car.
1975 John Goss Special XB Falcon Two Door Hardtop – Bathurst Prototype #01
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 Number: JG65RS 26046K
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. Port matched Edlebrock 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. 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. 11in 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.
Front – Koni adjustable shock, 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 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 (Ed: work of art).
Ford power steering with quick ratio box. Steering pump modded with pressure regulator. 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 extra gussets, body stiffening, body to chassis bracing and heavily reinforced front cross member. Custom rear brake ventilation through rear guard side vents to custom plenum ducted under back seat to inside of rear brakes. Body painted in 6 coats of 2-pack solid Polar White and clear over base Apollo Blue.
White changed to saddle to reduce glare. 1970’s spec Recaro seats covered in period cord/velour. Rear seat foam only recreation. Tall handle gearbox shifter and metal pedals. Custom alloy roll cage with improved design front down tubes routed through dash to tie off to A-pillars and down to sill box. Medium sized period steering wheel (steering 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. Painted metal floor.
Wheels & Tyres
Recreated 4 x 15 x 10 inch Globe Bathurst, with Hoosier racing slicks 265/50/15 rear and 235/50/15 front.