Fuel pump location
I currently have a in tank fuel pump. Walbro 255. However last summer I overheated the fuel and the pump was pumping bubbles a few times. Now I have relocated the Fuel lines, the regulator, installed a fuel radiator etc to minimize heat. The pump works until the car warms up, then I get vapor lock or the pump is just getting ready to die. The fuel gage at the throttle body goes from 45 psi to 20 and the engine dies. I dont think it is vapor lock because the fuel lines feel cool enough as does the regulator. So I am thinking the pump is going bad. I purchased a like new original tank from a guy with a Z28 and it is awesome. I also bought a new dual piped/sending unit that goes in the stock hole. I was thinking of going back to a stock tank and mounting an external tank. Probably make a bracket to hold it and mount it right outside the front of the tank. Or is it OK to mount the fuel pump up front on the outer subframe? It would be lower than the tank. This has been an ongoing issue for me and put a major damper on my cruising last summer. I really want to fix it this winter.
69 Camaro, Air Ride Suspension,
Procharged HO 454, 700R4, 12 bolt with Yukon axles, 3:73 gears posi, Pypes 2.5" X pipe with Borla XS mufflers. Retrotek Speed EFI, Ridetech suspension.
Rushforth rated X with Toyo tires. MSD 6 ignition.
Wilwood 6 piston Dynalite disc brakes with Hydratech booster.