My fuel pump started leaking a few weeks ago. I found a NOS pump. My truck is a 1955.1 but I am sure the NOS pump is newer, guessing mid 70s based upon the AC box it was in. Would you use an NOS fuel pump without rebuilding it first?
The rubber inside is unlikely to have any ethanol resistance, whatsoever. However, I am increasingly skeptical that modern rubber is really any better. In many cases, it’s much worse.
I’d be tempted to run it and see what happens.
I have had decent luck with NOS rubber stuff in other parts of my truck. I’ve yet to try anything that touches fuel, however.
Wonder if you could buy a new diaphragm without a whole new rebuild kit?
Heck no! Even without ethanol problems, that rubber is probably dried out and distorted. Buy the correct rebuild kit from Then and Now Automotive www.then-now-auto.com or send it to them to be rebuilt. You won't regret it.
Here's mine. Three years and 8000 miles later it's still going strong and runs on nothing but 87 deathanol.
1950 Chevrolet 3100 (Ol' Roy)
1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
My fuel pump started leaking a few weeks ago. I found a NOS pump. My truck is a 1955.1 but I am sure the NOS pump is newer, guessing mid 70s based upon the AC box it was in. Would you use an NOS fuel pump without rebuilding it first?
Thanks for any input.
Only if I had an automatic halon fire system under the hood!
Jon
Good carburetion is fuelish hot air The most expensive carburetor is the wrong one you attempt to modify. If you truly believe "one size fits all," try walking a mile in your spouse's shoes! The Carburetor Shop
