Vbb199
B-rate Hillbilly Customs
- Joined
- Jan 12, 2018
- Posts
- 9,108
- Reaction score
- 15,456
- Location
- Salisbury NC
- First Name
- Vince
- Truck Year
- 89, 79
- Truck Model
- 89 Suburban R1500, 79 C10
- Engine Size
- 350, 502
Did you use the remote sump or in tank pump?
If in tank, tsk-tsk, lol! Holley specifies a 3/8(-6AN) for the return too, iirc. My factory return was 5/16”. In all reality I’m sure you’re fine. In fact, I think I contemplated reusing the factory lines, but it hadn’t run in a while and I was worried about crap in the lines clogging my injectors as well as the crap e10 fuel eating them up.
In tank fuel pump
The... Acdelco... EP381 I believe.
The holley efi uses 6an send and return.... I just retained the tbi's original 16mm and 14mm send and return lines, and purchased adapters.
Seems like the return just dribbles.... Not very substantial pressure.