Vintage Mustang Forums banner
1 - 1 of 1 Posts

·
Registered
Joined
·
10,588 Posts
Hoses generally fail from the inside out, depending on how the cooling package and engine heat have been controlled, so it's not surprising a virgin portion of hose gave you the same problem.

Good quality hosing should have a safety factor of 3:1 over the maximum head produced by a water pump (that would be with a closed discharge, as in a completely blocked passageway)...I've put 50 psi into heater hoses in the shop (emergency test rig *G*) with no problems. IME, the impeller style we use (at least the early pumps I run) isn't efficient enough to make that kind of pressure under any conditions. Even the enclosed impeller (of about the same size) in my pool pump, operating at 3600 rpm, will only make 35 psi (that's a little over 80' of head) with a closed discharge (not recommended but that's one way I test my repairs)....

Yeah, change those hoses...hehehe...and don't forget the radiator hoses too, if they've been on the car awhile. They don't see the same pressures but hey, why take the chance?
 
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top