GMFORLIFE
Full Access Member
- Joined
- Feb 19, 2018
- Posts
- 368
- Reaction score
- 197
- Location
- Cleveland Ohio
- First Name
- Dennis
- Truck Year
- 1973
- Truck Model
- C20 Camper Special
- Engine Size
- 454
SAE or synthetic
- Thread starter My78truck
- Start date
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GMFORLIFE
Full Access Member
- Joined
- Feb 19, 2018
- Posts
- 368
- Reaction score
- 197
- Location
- Cleveland Ohio
- First Name
- Dennis
- Truck Year
- 1973
- Truck Model
- C20 Camper Special
- Engine Size
- 454
GMFORLIFE
Full Access Member
- Joined
- Feb 19, 2018
- Posts
- 368
- Reaction score
- 197
- Location
- Cleveland Ohio
- First Name
- Dennis
- Truck Year
- 1973
- Truck Model
- C20 Camper Special
- Engine Size
- 454
K5ride
Full Access Member
- Joined
- May 2, 2018
- Posts
- 134
- Reaction score
- 204
- Location
- Apple Valley, CA
- First Name
- Steve
- Truck Year
- 1975
- Truck Model
- C10 Stepside
- Engine Size
- 350
I'm going to try the Risoline ZDDP additive. It's only about 6 bucks on Amazon and takes 1 bottle per oil change.
https://rislone.com/product/3x-conc...QUVEYrAWiuOkM2eIKPFrsS6lp21560PIaAkwkEALw_wcB
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