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Old 05-01-2013, 10:51 AM   #18 (permalink)
mults
A True Z Fanatic
 
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Join Date: Aug 2011
Location: Cleveland, OH
Age: 70
Posts: 1,830
Drives: 2010 (40th) #706
Rep Power: 16886
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I typically drive my Z less than 4,000 miles/year, so I change the oil once per year (when I take it out of storage; and this is not a debate as whether to change the oil at the begining of storage or at the end, so let's leave that for another topic). I've been using Royal Purple, 5W-30 synthetic which costs about $45 per 5 quart jug at O'Reilly's. Walmart has it sometimes, but none of the local ones had it. When I changed the oil last week, it was still mostly purple and probably could have gone another 3,000 miles.

I also don't like people working on the Z, so I do it myself. I have access to a drive-on lift and it makes changing the oil about a 15 minute job.
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mults
40th Anniversary 'Z', 312.06HP/260.58TQ (Dynosty EcuTek Tune)
Build Date/Number: 1/27/2010 #706
Berk HFC + CBE, R2C CAI, Clear Bra, Cleveland Z Club
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