ya...TOO rich (AFR<11.0) is also not good(which is the case for most factory standard ECU settings)...thats why, u need SAFC to re-tune it to be somewhere below stoich (AFR=12.0-13.5) so that u can get the best out of ur engine...
If the GT-R signifies Nissan's Innovation, the 350z signifies their heritage, then the Silvia (or the 240sx or the 200sx or the 180sx) is the model that signifies their youth. Since the famous (relatively) low cost FR sport coupe ended production in August of 2002.
(artist rendering, not actual car, by Best Car...
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