Lotus Elan

Care And Feeding For The DOHC

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Care And Feeding For The DOHC
Magazine Title: Road & Track
Published: February 1965
65 care feeding dohc.jpg

The sportsman who acquires any device of a high-performance nature, often finds himself host to an endless parade of maintenance expense. This traditional truth seems to apply equally to horses, dogs, women, and motor cars. As a result, the knowing enthusiast displays understandable concern when appraising any creature of uncommon capability. In the case of the Lotus dohc engine, there appears to be a happy departure from this tradition. This exotic performer has a most conservative appetite for maintenance luxuries, and can be supported quite comfortably on modest means. A large portion of this attractive condition is attributable to the basic engine design. Low cube, high-tick engines require very busy valves. This mitigates in favor of an intimate relationship between valve and cam with the least possible amount of linkage. The dohc provides a cam for each side of the head and the cam lobes drive directly on the tappet cups. This layout also permits an optimum form for the combustion chamber, and greatly improves breathing, thus utilizing the full capabilities of the twin Weber carburetors. All in all, one has a very tidy and efficient machine in the Lotus dohc, and one that should be running long after the hairy over-bores have cast their last piston.

LOTUS ELAN ROADSTER 1558 cc top speed 115 mph acceleration 0 to 60, 7.5 sec.; 0 to 100, 20.5 sec. four cylinder Lotus twin cam Twin Weber Carburetors 105 bhp @ 5500 rpm four-speed close ratio all synchro all independent Chapman suspension Lotus/Girling disc brakes. Approximate delivery 30 to 60 days $4157 P.O.E. Los Angeles.


MANHATTAN BEACH. Bob Challman-Ecurie Shirlee 2301 Sepulveda Blvd.

FRESNO, Foreign Motor Sales 310 Blackstone Ave.

HAYWARD, Stan Peterson, Autocourse Inc., 21135 Mission Blvd.

LA CANADA, La Canada Sport Cars, 1300 W. Foothill

MONTEREY, Leslie Motors 999 Del Monte

OCEANSIDE, Willie West Mtrs, Inc. 1617 So. Hill

SACRAMENTO, Von Housens Motors 1729 Fulton Ave.

SAN BRUNO, Bob Cole Motor Imports 444 El Camino Real

SAN DIEGO, Dale Shoupe Quality Foreign, 3464 Kurtz

SANTA ANA, Fritz Warren 702 East First St.

BOISE, Thompson Motor Co. 1112 Bannock Street

SPARKS-RENO, Dan Gillum Motors 1840 "B" Stret

TACOMA Geno's Imported Cars 5911 Steitacoom Blvd., S.W.

PORTLAND, Pierre's Motors 11614 South East Stark

ECURIE SHIRLEE DISTRIBUTION CORP. 2409 Sepulveda Blvd., Manhattan Beach, Calif. Exclusive Distributors for Lotus Cars throughout the Western U.S.