Page 11 - June 2020 Newsletter
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                                             Tech Corner-continued


   Evaporation Loss Control Systems


       Fuel loss on cars, thorough evaporation, is effectively controlled to within the limits defined in the regulations
       for 1973 by the systems shown in the three succeeding frames. The evaporative control systems incorporated
       on the 1973 Spitfire 1500, GT6 Mk. III, TR6 and Stag models use an activated charcoal canister through which
       the fuel tank and carburetor float- chambers are vented.

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                                                                                1. Crankcase purge line
                                                                                2. Canister purge line
                                                                                3. Canister
                                                                                4. Vapor feed
                                                                                5. Fuel tank, limited fill
                                                                                6. Sealed fuel filler cap
                                                                                7. Vapor separator
                                                                                8. Anti-run-on valve
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