I think more that the fuel pump is shot, it gets too hot when running without gas. On my oldtimer I had also to pure gas into the carbs to fire the engine, that almost 50 years old car has a mechanical fuel pump.

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RaymondQV
Countach QV Ex-Mimran #GLA12997, Urraco P300 #20530 sold in August 2008, Jalpa #FLA12203 sold in May 2006
www.countach.ch
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When Frank Sinatra got his Miura S in 1970, he said: “If you wanna be someone, buy Ferrari - If you are someone, you own a Lamborghini”.