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How to Limit the Oil Leaks in Your Small-Block Chevy Engine

By Jeff Smith   –   Images by the Author

The small-block Chevy engine is notorious for oil leaks, a legacy from its 1950s design. While completely eliminating leaks is unlikely, this article offers several methods to minimize them. Key strategies include using high-quality gaskets and seals, such as Fel-Pro’s one-piece gaskets and various two-piece rear main seals. Other techniques involve offsetting seal parting lines, applying RTV sealant in critical areas, and using PCV valves to reduce crankcase pressure. Additionally, stronger valve covers and proper thread sealing can help reduce leakage. These steps aim to keep the engine cleaner and prevent oil stains in your garage. Read full article here.

005 Tightening oil pan bolts on a small block engine to ensure a leak proof seal 008 Installing a valve cover breather on a small block engine to reduce pressure buildup

Sources
Automotive Racing Products (ARP)
(800) 826-3045
arp-bolts.com

Federal-Mogul (Fel-Pro)
(248) 354-7700
tenneco.com

Hughes Engines
(309) 745-9558
hughesengines.com

M/E Wagner Performance
(570) 899-4544
mewagner.com

Net32
net32.com

Summit Racing
(800) 230-3030
summitracing.com

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