Review on 🔧 GMB 550-8040 Mechanical Fuel Pump: Boosting Efficiency and Reliability in Fuel Delivery by Dave Hersma

I bought this to replace an Ampco (OEM) pump on my 260Z. Completely solved my fuel pressure problem. The design is so close to the original pump (except that it's cast from what my dad called a "metal pot" rather than aluminum) that I might consider using its internals to make an OEM pump (Ampco ) rebuild. I was put off as another reviewer had successfully rebuilt a 240Z Kyosan Denki pump with internals and I wasn't sure if those internals would fit Ampco. I know from the forums that the internals between Nikki and Ampco are not the same. However, the pump looks and drives well even though I've only driven it 40 miles.