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Old 04-11-2023, 04:12 PM   #3
jchav62
1962 C-10
 
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Join Date: Apr 2005
Location: Las Vegas, New Mexico
Posts: 4,978
Re: oil & trans fluid

I always run an oil high in zinc. Some guys use Rotella or Delo. I have been running Lucas Hot Rod 10w30 in my 327 for some time. Castrol also makes an oil high in zinc called "Classic". Better for old style flat tappet engines.
As for the trans, Dexron III.

Take care,
JC62
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Joseph Chavez
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1962 C10 Shortbed Fleetside 327/th350 GV overdrive
1974 C10 Longbed Fleetside 350/th350 "The Trash Truck"
1999 Chevy 2500 OBS, Longbed 5.7/4L80E 4x4
2015 GMC Sierra SLE 1500 4x4
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