Here is some reading for you. Click on the links and it should answer your question.Has anybody switched out their quadajet for a EFI Carb on a 400 CI ?? If so how difficult was it? What brand did you use and how did it change the performance? Thanks in advance.
Thanks for all the info.Here is some reading for you. Click on the links and it should answer your question.
I was hoping to get some assistance with my current build, motor is as follows: 400 block bored and stroked to 461ci Edelbrock D-port aluminum heads, ported to 310cfm Hydraulic roller cam: 230/236 @ .050 on 112lsa Edelbrock Pro Flo 4 EFI Currently running 36 total spark advance, all in at...www.gtoforum.com
Hey Fellas I've decided to put EFI on my 400 c.i.d. Holley Sniper? MSD Atomic? FiTech? Others? I'd love to hear your thoughts on which brand YOU would or do use, and any differences in installation, performance, etc.www.gtoforum.com
I'm installing a 464 stroker in my 68 GTO. I am heavily considering the Holley Sniper EFI that supports up to 650 HP. My motor dyno'd 618 on the stand. I know my factory fuel pump will not keep up so I need some advice on fuel pump selection. The Holley techs tell me they make a intank pump...www.gtoforum.com
I am looking to install the Holley Sniper EFI on my 1970 GTO 400ci but have a question about the return line size. Holley says it needs to be a 5/16 return line, however all the sending units come with 1/4, Is this critical? I know the kits comes with a bulkhead fitting but it looks to big to...www.gtoforum.com