Re: Recommended Oil for a factory 350?
WIX and its clones, Baldwin, Delco are good filters, although I don't like the PF-1218 filter now specified for the replacement of the PF-35, so now I run WIX. Pretty much anything but the Frams and clones.
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1970 K/5 Blazer CST 4WD, Bronze, 93k ACT. miles, 350, 4 speed, positraction, 16.5" x 8.25" wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration in progress...
1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...
2017 Sierra 1500 SLT 4WD, Black, 38k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...
2019 Canyon SLT 4WD, White, 54k miles, 3.6, 8L45, 3.23 LS, 18" wheels
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