Hello Larry,
According to the Valvoline websight
http://www.valvoline.com/faqs/motor-oil/racing-oil/76
VR-1 still has .13% Zinc
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Best regards,
Bill L. mailto:pythias at pacifier.com
'66 Sprite MKIII HAN8L49403 "the red thing"
Dermatologists make rash judgments.