ON SALE HOW! The new, world-acclaimed motor fuel IMobill EXCLUSIVETOMOBIL SERVICE STATIONS Highest road-octane petrolever sold in New Zealand ■ Mobil Oil New Zealand Limited now proudly now has been a vital ingredient of every premiumintroduce throughout the country a new-formula grade petrol on this market. motor fuel giving up to 6 more road-octanes than Tetramel® is exclusive to Mobil throughout the world, other fuels of the same grade. Mobil are using this unique fuel component in 11 This is Mobil • Tetramel,® based on the latest countrie s, including the United Kingdom and most discovery of the Ethyl Corporation of America, o f Europe. Everywhere, it is acclaimed for the indisputably the world’s leading authority on the remarkable performance gains it brings to every problem of loss of power and waste of fuel resulting type of vehicle. from uneven firing and detonation or “knock” in Fill up today with Mobil Tetramel,® at your multi-cylinder motors. Tetramel® is the greatly- nearest Mobil dealer. This great new fuel costs no improved successor to Ethyl—which for many years more than ordinary premium petrols. The most important advance in motor fuels for 41 years! y*— 1 "Mobil Tetramel® presents the greatest improvement in this field per? a l to be used commercial| y since ’■‘W < l0 "« a , ;° m p°" ent of 4nwiia 39TF, Ethyl tended to * mn Sm pS [ I premium petrols) was developed in 1922. || 0 r | |i||A 55 XX «X XX I Paradoxically, the problem of engine. The modem cat's im- Tetramel* begins vaporizing | I | \1 '‘knock" Uneven firing I ram 1 1 ram J LlgnJ LS&J ■ detonation or “knock” has proved sound-proofing leaves at only half the temperature ||||||| | MIIHM means loss of poweTand worsened as cars and petrols many motorists unaware that Ethyl needs. Thus it goes into ■■■MBHinP/l more stress on engine B have improved. The increased “knock” is occumng-but action much more readily in parts. compression ratios and power they are neverthe ess paying combatting the power loss Ml MODI I Kill output of today’s engines im- the price of its ill-effects in from knock . pose ever more severe condi- loss of power, waste of fuel _ tions in the combustion cham- and shorter engine life. AU Cylinders Benefit Hnldilllllhlßl IB H ber. Because it vaporizes with the MlrtllrillllnMlllß% x-- -4U~~•=a — x ■ HowTetramel* Works most volatile part of the U Vaaorizint from wi /v I No Car Is Immune Your car performs best when petrol, it also reaches all cylin- 1 230’F. Tetramel •is dis- I mm praral raura f In extreme cases, as when ac- fully wanned up. That is ders nght away and not only lira 1 tributed fully and im- imuai idmm itiMM übui 1 celerating in top gear uphill, because the various compon- those nearest the carburettor, ■■RnWNEV'nVWnDII ■ 1 mediately into <dl cylinders wnraa mraa pJJJJ* SIS M the pressure fluctuations or ents.of petrol have different as: was the case with Ethyl. ■ I along With the other light ■ shock-waves associated with weights and evaporation tem- The engine is thus enabled to D I dements of the petrol. detonation are plainly notice- peratures. All the elements arc develop full power in all cylm- VI promoting smooth, even D able as an objectionable doing their full job only when ders under all operating con- •WW cnmbiuoon. BfeMIBBBBMHi metallic “pinking” noise in the all of them have vaporized. ditions. Tetramel* is exclusive to Buy some today from your Mobil dealer
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Press, Volume CII, Issue 30092, 28 March 1963, Page 13
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570Page 13 Advertisements Column 1 Press, Volume CII, Issue 30092, 28 March 1963, Page 13
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