Lotus 34

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title: "Lotus 34" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["lotus-racing-cars", "american-championship-racing-cars"] topic_path: "geography/united-states" source: "https://en.wikipedia.org/wiki/Lotus_34" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

| name = Lotus 34 | drivers = GBR Jim Clark USA Dan Gurney USA A. J. Foyt USA Parnelli Jones | team = Team Lotus | tyres = Dunlop | predecessor = Lotus 29 | technical ref = | chassis = aluminum monocoque | front suspension = lower wishbones, top rockers, in-board coil springs over dampers, anti-roll bar | rear suspension = reversed lower wishbones, single top links, twin radius arms, coil springs over shock absorbers, anti-roll bar | length = 3,810 mm (150 in) | width = 1,651 mm (65 in) | height = 787 mm (31 in) | debut = 1964 Indianapolis 500 | poles = 2 | designer = Colin Chapman Len Terry | wins = 4 | wheelbase = 2,438 mm (96 in) | track = Front: 1,422 mm (56 in) Rear: 1,422 mm (56 in) | engine name = Ford 4,195 cc (256.0 cu in) OHV 90° V8, naturally aspirated, mid-engine longitudinal | weight = 543 kg (1,197 lb) | category = USAC IndyCar | successor = Lotus 38 | gearbox name = ZF 2DS-20 2-speed manual gearbox. | power = 425 bhp (317 kW) | image = 1964Indy500LotusPole.jpg ::figure[src="https://upload.wikimedia.org/wikipedia/commons/0/02/1964_Lotus_34_-June_2022-_Sarah_Stierch.jpg" caption="Lotus 34 at the [[Indianapolis Motor Speedway Museum]] in 2022."] ::

The Lotus 34 is an open-wheel race car built by Team Lotus for the 1964 Indianapolis 500. Driven by Jim Clark, who qualified on pole, and Dan Gurney, tyre failure led to Clark retiring and Gurney being withdrawn.

Development history

The Lotus 34 was a very similar car to the 29. It differed principally in featuring a four-cam 4195 cc (255ci) DOHC Ford V8 with Hilborn fuel injection, producing 425 bhp, through a ZF 2DS20 gearbox.

Race history

At Indianapolis, Jim Clark qualified on pole, with Dan Gurney qualifying sixth. The Dunlop tyres failed during the race, leading to Clark crashing and Dan Gurney being withdrawn, much to Ford's displeasure. Later that year Parnelli Jones won twice in a Lotus 43 at Milwaukee and Trenton.

In 1965 A.J. Foyt won three USAC races in a Lotus 34 on his way to second in that years championship, while Parnelli Jones finished second at Indianapolis behind Jim Clark's Lotus 38.

References

References

  1. "1964 Lotus 34 Ford Specifications".
  2. Setright, L.J.K. "Lotus: The Golden Mean", in Northey, Tom, ed. ''The World of Automobiles'' (London: Orbis, 1974), Volume 11, p.1232.
  3. Setright, p.1232.
  4. "Race Results - Indianapolis 500 - 1965".

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