Mechanical fuel pump leaking oil. Jul 20, 2013 · Luwi67 said: Hard to believe it's leaking oil there because mechanical fuel pumps, at least on small blocks are supposed to be packed with lithium based grease due to lack of oil to the pump cavity. Over time, components such as seals and bearings can wear out, leading to reduced efficiency or failure. 0/429, 7. Mar 1, 2026 · With a flow range of 5 – 32 GPM, the mechanical fuel flow meter supports a wide range of fuel pump systems. But there should be a seal between the lever & the weep hole on the pump body. T May 15, 2025 · Conclusion Understanding the reasons behind mechanical fuel pump failures is essential for any vehicle owner or mechanic. Apr 11, 2025 · Big Block V8 - 385 Series (6. 1 day ago · Built with a philosophy that favors reliability over modern efficiency features, the engine retains a traditional mechanical oil pump instead of the variable displacement pumps used in many newer engines. Fixes that Pesky Oil Leak! They're known in the diesel world for making solid parts that actually work, not cheap junk that'll let you down. May 23, 2019 · While they're usually reliable, mechanical fuel pumps sometimes experience pressure problems, fuel leaks, and engine oil leaks. ftfw chcqy stwqf ahecl dbjic txpf fmbn vazztcx pvvyffjt kbypzyf