timing

[me_2_3_5]

how do i know what to set my timming at????? I havea 2.5L swapped into a omni, with 87 csx comp, and 3 bar map sensor, what should i set my timming at to run on 5 PSI for break in????

[tvanlant]

If you are just breaking in the engine, set the timing 10 degrees with the coolant sensor unplugged at an idle. Also, the grade of fuel makes a difference in choosing total timing after you break in the engine and start turning up the boost.