Compromised Internals

Overview Specs Highlights Characteristics

Overview

Renault introduced the Renault 15/17 two-door fastback coupé family in 1971, building on front-engine, front-drive mechanicals from the Renault 12/16. The fuel-injected Renault 17 TS evolved into the Gordini-badged road model in late 1974. The name therefore identifies a competition family with different model badges and chassis tunes, not every Renault 17 being the same specification.

FIA historic records show the Renault 17 TS Group 4 form 638 effective 2 April 1974 for a 1,605 cc front-wheel-drive car, and a separately recorded Group 2 form 1665 effective 2 October 1974 with the same base swept volume. A Group 2 16-valve cylinder-head option appears in the FIA catalogue only in May 1975. That does not negate Renault's own factory history, which explicitly identifies the winning 1974 works experimental competition engine as 1,774 cc type 807-G4, twin-overhead-cam 16-valve, 200 DIN hp at 7,750 rpm. The championship-winning works engine, standard homologation base and later FIA extension must be distinguished rather than assumed to be one legal configuration.

Renault's primary museum history says three Renault 17s entered the October–November 1974 Press-on-Regardless Rally, an American gravel rally near Michigan/Detroit. Jean-Luc Thérier/Christian Delferrier won and Jean-Pierre Nicolas/Geraint Phillips finished third; Bernard Darniche placed sixth. This was Renault's first outright World Rally Championship round victory and the only such win for the Renault 17 family in the 1970s, not a modest Group 2-only class award. A Renault museum promotional summary incorrectly describes the Stratos as second; independent event results clearly show Markku Alén/Atso Aho's Fiat 124 Abarth second.

Technical Specs & Innovations

Model family: Renault 17 TS / Gordini 2-door fastback coupe and convertible-based range
Commercial brand change: 17 TS renamed 17 Gordini for later 1974/1975 road marketing; different late-road versions continued to 1978
Original road engine: Renault 17 TS 1.6-litre front-longitudinal inline-four with fuel injection
FIA Group 4 form: Renault 17 TS Group 4 638, effective 2 April 1974, physical 1,605 cc
FIA Group 2 form: Renault 17 TS Group 2 1665, effective 2 October 1974, physical 1,605 cc
FIA later 16V extension: Group 2 form 1665 documents 16-valve cylinder-head option effective 2 May 1975, after US 1974 victory
1974 winning race motor: Renault factory saga explicitly cites 1,774 cc type 807-G4, a special factory competition engine
1974 works valvetrain: Twin overhead camshafts, four valves per cylinder, 16 valves
1974 works power: 200 DIN hp at 7,750 rpm, factory Gordini retrospective; not the road TS output
1974 road engine reference: Renault road museum gives 1,565–1,647 cc engine versions rated 90–108 hp, depending on model/year
Road/works output difference: 200-hp competition configuration is not road Gordini showroom specification
Drivetrain: Front engine, front-wheel drive; no rear driven axle
Induction: Fuel injection on principal 17 TS/Gordini road versions; tuned works injection differs
Competition gearbox: Five-speed manual with homologated shorter ratios and upgraded clutch
Road gearbox variation: Early low-power Renault 15/17 models had different 4-speed gearing; not the works 17
Front differential: Competition traction controlled through front final-drive and possible limited-slip equipment
Front suspension: Independent front suspension with modifications to wishbones, springs and steering
Rear suspension: Non-driven rear axle/suspension developed from Renault 12 platform
FIA Group 4 amendments: Form 638 lists suspension reinforcement, five-speed gearbox, brakes, steering and underbody guards
FIA Group 2 amendments: Form 1665 lists 1975 cylinder head and later steering/dash updates
Road body: Two-door sloping hatchback coupé with reinforced monocoque competition shell
Competition weight: No verified exact works 1974 car scale ticket available; do not borrow later 1975 engine/power from a restoration
Crew and rally safety: Competition cage, harnesses, rally lighting, spare tyres, rally navigation instruments
Press-on-Regardless surface: High-speed and technical gravel Midwest USA stages, with 64 starts and 29 recorded finishers
Official period class: 1974 Group 2 Renault 17 Gordini on final event entry listings; FIA base documents also describe 1974 Group 4 form
Winning crew: Jean-Luc Thérier and Christian Delferrier (spelling occasionally Delferrié in Renault documents)
Third-place works crew: Jean-Pierre Nicolas/Geraint Phillips
Sixth-place works crew: Bernard Darniche in Renault 17 Gordini; co-driver event sheet needed for exact attribution
World victory distinction: 1974 US rally was a WRC manufacturers' calendar round; Renault did not win the 1974 manufacturers' title

🏆 Competitive Highlights

1971 Renault 15/17 production launch: Road front-wheel-drive fastback line introduced with TS performance variants.
1974 Group 4 FIA registration: Renault 17 TS form 638 gained eligibility in April; separate Group 2 form came in October.
1974 R17 Gordini branding: The TS high-performance variant began using Gordini name as works activity expanded.
1974 Press-on-Regardless Rally: Jean-Luc Thérier/Christian Delferrier won outright in Renault 17 Gordini, powered by a special 1,774 cc works engine.
1974 Press-on-Regardless runner-up: Markku Alén/Atso Aho finished second in Fiat 124 Abarth, not a Lancia Stratos as a Renault museum summary misstates.
1974 Press-on-Regardless third: Jean-Pierre Nicolas/Geraint Phillips completed a Renault 17 1st–3rd result.
1974 Press-on-Regardless sixth: Bernard Darniche brought a third works Renault 17 Gordini home sixth.
1974 first Renault WRC victory: Renault marque took its first outright world rally round win on the American gravel event.
May 1975 FIA later head: Group 2 form 1665 gained 16V cylinder-head extension, distinct date from 1974 special works engine.
1975 rally activity: Group 2 Renault 17 Gordinis continued in European and national events with selected class wins.
World title distinction: Lancia claimed 1974 manufacturers' championship; one Renault 17 WRC rally win did not equal season title.

Driving Characteristics

The R17's front-drive architecture and relatively long coupé shell helped keep a stable line over uneven Michigan gravel, with traction under steering load as the main performance constraint. The special 1,774 cc twin-cam engine demanded correct gear selection but provided much greater top-end output than the road TS.

Engine capacity, head layout and legal homologation amendments changed substantially between factory prototype/works builds and customer road cars. A standard 1.6-litre 90–108 hp Gordini cannot be used to describe the Thérier car's outright WRC stage pace.

On loose surfaces the front tyres performed steering and driven-wheel duties simultaneously, so precise torque use and suspension compliance were important. The 1974 result depended on reliability and a strong multi-car Renault entry, not a four-wheel-drive system.

Development & legacy

The Renault 17 Gordini is a true 1970s WRC round winner whose 1,774 cc works engine warrants a separate technical paragraph from the 1,605 cc FIA form and production 17 TS. Getting the 1974 podium right also avoids perpetuating a misstatement on Renault's own museum page.

Research sources & verification

← Previous Car Porsche 911 Carrera RS

Back to Cars Index

Saab 96 V4 Next Car →