05-09-2009, 11:56 AM
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#11 (permalink)
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A True Z Fanatic
Join Date: Mar 2009
Location: Houston, TX
Posts: 4,024
Drives: too slow
Rep Power: 3595
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Quote:
Originally Posted by scorpion90
So I'm wondering if Red Line's Engine Oil Break In Additive would be a good addition to the oil since it states that "designed for flat-tappet camshaft engines and essential for solid-roller and hydraulic roller valve train".
It also states: "For use in conventional motor oils lacking zinc, phosphorous (ZDDP) and anti-wear additive packages necessary for protecting against excessive camshaft and valve train wear".
It seems a lot of observations on motor oil change are about valve noise. I wonder if this additive with be a good addition at regular oil change intervals. I plan on using a full synthetic (royal purple) so maybe it's not as necessary as with other types of oil?
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Mostly the ZDDP issue regarding 'flat-tappet camshafts', etc is about traditional race engines that were designed for oils with ZDDP. Our engine was designed for SM-rated oil with the reduced ZDDP levels, I don't think it needs ZDDP added.
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