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Originally Posted by Franco Cozzo
Zinc is an interesting one, no oils has high zinc content anymore except for a few specialist applications for oldskool cars.
A lot of VN-VS 5L with rounded hydraulic flat tappet cam lobes  |
That's why I use the Penrite oil with the extra zinc. Although my Windsor has a roller cam, but my cam designer recommended oil with extra zinc to protect the lobes.
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Originally Posted by XR Martin
There was a photo in Wheels of a prototype EF with a DOHC I6, I think they said Jaguar had a hand in developing it.
I'd love to know more about it.
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This was developed for the EA. But they chose the SOHC over it due to cost reasons.
