[dduclaux]

I'm doing a complete rebuild of an 83 930 and I am considering my options with respect to the original oil pump. As a threshold matter, the case, crank, rods, etc. all measure to spec and the internal components (pistons, cylinders, cams, rockers, etc.) are all pristine which indicates the oil pump was doing its job perfectly. (the rebuild is the result of broken head studs.)

Does anyone have guidance on disassembling the oil pump to check for wear and tolerance on the internal components? Is that action necessary? Can the pump be tested for pressure and flow without disassembly? Is it a far better thing to just upgrade to a GT3 oil pump?

Any input or experience would be appreciated.

Thanks,
Duane Duclaux
Richmond, VA