Originally Posted By Thumperdart


What size ifrs and how much t slot showin


I finally had a chance tonight after working on everyone elses car to mess with my R/T. I pulled off the carb and not touching anything from where I have had it. the transition slots have .020"-.030" showing on the primary and secondary throttle plates.

What is the IFRS?


2000 Dakota R/T, 408 magnum, 727, Indy heads
1000cfm 4150 carb, 93 octane fuel.
motor; 10.258 @ 132.78
200 shot; 9.262 @ 144.69
racemagnum