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Old 11-23-2010, 10:31 PM   #7
LandonL
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Join Date: Nov 2009
Location: Georgia
Posts: 440
Re: Oil change time!

Castrol Syntec 20w-50 for classic cars that have a flat-tappet camshaft. It's what I put in my 250L6. Supposedly has plenty of zinc for the cam.
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---| 1967 GMC Stepside |--
250 L6 .030 over

---| 1985 Porsche 944/1 |---

Build Thread: '67 GMC
http://67-72chevytrucks.com/vboard/s...d.php?t=378640

Last edited by LandonL; 11-23-2010 at 10:32 PM.
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