× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Posted to Castrol Forum on 11/16/2017 32 Replies

I recently performed a oil change on my 1969 Buick Riviera 7.0L. I was advised to installed zinc additive. Here is thread

[...] [[...]]

Engine had a rod knock when I snap throttle but old engine oil was saturated with fuel (I was able to set oil on fire). ... Login to read more.

32 Replies Received (View Replies)