Originally Posted by
Eric
have a question joe apart from all of this , logged a few quarter mile runs the other day for the first time and i noticed my MAP was reading 14.9 to 15.1 psi , this cant be my boost gauge reads close to 10 psi , have a magnuson on a 4.8 with a 3.4 in pully , how accurate is this map sensor or do i have to scale it , i know my guage inside stops at 10 psi , whats the reason for this because i know i am not phisically runing 15 psi, i have a 6.0 that i will be porting the heads and changing the springs and pusrods and rod bolts with a nice cam that i will be installing this summer but not in a hurry because i am trying to perfect a cooling system for my intercooler , i run a 13.06 and want to be in the high 12,s before i swap out for the 6.0 , for a 4.8 it is very fast considering i am lifted 6.5in with 35in tires , ist a longbed single cab black silverado 4x4 year 2000 , it sleeps in the garage and never sees winter what a pitty i know , i love working on this truck and i have come to realize that the number one importance is cooling the intake charge ,if i can get in the high 12s with my 4.8 i know high 11s will be possible with the 6.0 and that will be awsome , its fun because in quebec most people at the track are running fast cars so when you come along with a fast pickup its very special , got to have passions , this and snowboarding my two , thanks joe