Im building a sb 400 . My friend threw the idea to me about running a tbi set up which id love to do. My questions are would it be best to run a 350 tbi or 454 tbi?
Also heard you can only go so big on your cam?
How big of a head ache am i lookin at?
My build 400 bored .030 over
Flat top pistons
Crane hmv-278-2 cam duration 278/290 lift .467/.494
Stock 997 400sb heads
Roller tip rockers
Edelbrock performer intake.
Long tube headers for 77 chevy truck
Any advice would be super thank you