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1990 Coupe quattro, Engine: RS4 biturbo V6 30V, capacity increased from 2.7 to 3.0, custom forged pistons ceramic coated, compression ratio reduced from 9.5:1 to 9:1, ported and polished heads, metal head gaskets, wire ringed block with grooved heads, polished and enlarged throttle body, high capacity injectors, original injectors fitted as secondary items in custom fuel rail, twin fuel pumps mounted in boot, adjustable fuel pressure regulator, reprofiled cams and valves (same size), twin chargecoolers, hybrid turbos, based on standard K04s but with larger compressor housings and roller bearings, water injection, custom stainless exhaust system with dual exits (built by Hayward & Scott in Rayleigh), remapped Motronic ECU, maximum boost pressure set to 1.6 bar with .4 bar overboost (maximum 14 secs) secondary ECU to run water injection and secondary injectors, external 20 row oil cooler, Audi 4.2 V8 radiator. Transmission: standard RS4 6 speed box with seperate 10 row oil cooler, S2 driveshafts all round, S2 5 stud hub all round. Target is 625PS and 575 - 600 lbs/ft. Hopefully ready for next Autumn.
Wheels: 8.5"x20" ET45, with Continental 255/35ZR20 tyres.
Brakes: Fronts are 370mm two piece discs, with Porsche / Brembo "Big Red" four pots, rears are 330mm two piece discs, with standard S4 aluminium callipers in original location operating handbrake only, while Porsche / Brembo calipers are fitted on the trailing end, operating conventional rear brakes.
Suspension: Custom coilovers all round, with Bilstein dampers, lowered 25mm, polyurethane wishbone bushes front and rear, solid aluminium bush for rear differential support, solid aluminium engine mounts, steering arms with custom rosejoints to replace standard ball joints, rear track arms similar.
Body: Standard 1990 Coupe quattro with fabricated widened arches built onto shell in sheet metal, front doors lower section blended into new metalwork, Sport quattro - style vented metal bonnet, Subaru Imprezza WRX front bumper, RS2 - style rear bumper, twin round headlamp conversion with VAGparts Xenon conversion, LED afterburner rear lamps, custom mirrors with repeaters fitted to a pillars, vented R/H wing, Mercedes SLK grille, deeper sills. Audi TT door handles. Colour to be decided.
Interior: Standard RS4 dash and instruments, RS4 switches and heater controls (clima) with digital operation modified to suit standard type 89 heater controls, supplementary instrument panel by Stack, automatic dipping rear view mirror. Cobra Daytona seats, standard rears trimmed to match. Standard Audi Concert 1 with standard 6 disc changer.
Wheels: 8.5"x20" ET45, with Continental 255/35ZR20 tyres.
Brakes: Fronts are 370mm two piece discs, with Porsche / Brembo "Big Red" four pots, rears are 330mm two piece discs, with standard S4 aluminium callipers in original location operating handbrake only, while Porsche / Brembo calipers are fitted on the trailing end, operating conventional rear brakes.
Suspension: Custom coilovers all round, with Bilstein dampers, lowered 25mm, polyurethane wishbone bushes front and rear, solid aluminium bush for rear differential support, solid aluminium engine mounts, steering arms with custom rosejoints to replace standard ball joints, rear track arms similar.
Body: Standard 1990 Coupe quattro with fabricated widened arches built onto shell in sheet metal, front doors lower section blended into new metalwork, Sport quattro - style vented metal bonnet, Subaru Imprezza WRX front bumper, RS2 - style rear bumper, twin round headlamp conversion with VAGparts Xenon conversion, LED afterburner rear lamps, custom mirrors with repeaters fitted to a pillars, vented R/H wing, Mercedes SLK grille, deeper sills. Audi TT door handles. Colour to be decided.
Interior: Standard RS4 dash and instruments, RS4 switches and heater controls (clima) with digital operation modified to suit standard type 89 heater controls, supplementary instrument panel by Stack, automatic dipping rear view mirror. Cobra Daytona seats, standard rears trimmed to match. Standard Audi Concert 1 with standard 6 disc changer.
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