Guarda cosa consigliano su un forum (credo inglese) molto ma molto tecnico:
Great write up Jamie!! I also only use Lodge.
Not really very expensive compared to Platinum.
I might add that Alfas are designed to burn a
little oil, with 1 quart per 500 miles not
a-typical. This said, platinum plugs do not
do very well in this enviroment. They are more
suited to Japanese engines, which burn very very
little oil, and thus do not faul the plugs.
One other reason to use Lodge plugs is flame front
propagation from the plug into the cylinder.
Since Alfas have hemi heads, and the plug is
located directly over the cylinder, the open
design on the Lodge helps propagate a nice even
flame front down the cylinder. Note that most
engines using conventional one electrode plugs
have them mounted at an angle into the head.
And most street races index them to point the
gap towards the piston.
I just bought a copy of the Alfa Romeo Bible, and
really cringed when I read that the author prefers
to use Champion plugs. It really makes me wonder
about the rest of the info in the book. But the
book is well laid out, and lots of photos and other info.
Sembra che uno dei motivi della superiorità delle Lodge è che le 4 punte "sentono" meno i depositi di olio che si producono sulle punte data la storica tendenza delle Alfa classiche a bruciare più olio del normale. Non me ne intendo di bialberi Alfa, anche se proverei le NGK come dicono loro...
Comunque 4 Lodge 2HL costano 44 euro su ebay... molto ma non una follia considerando come vanno (cioè benissimo)... che modello ci va sulla tua?
