All the pumps look the same, pretty much. It's what's inside that counts. A high pressure pump usually has a lot more vanes visible from the bottom, than a lower pressure pump.
All the pumps look the same, pretty much. It's what's inside that counts. A high pressure pump usually has a lot more vanes visible from the bottom, than a lower pressure pump.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709