I dont have a mammoth, but I have a 2.8H with a custom inlet (same size as mammoth)
Stock motor with manley pistons
3.25 Upper/8.4" lower, 25-26psi 744whp/660tq
110 Octane
Lethal Budget Return system
60lb Injectors
stock rails
9.80's @ 138-140
Stock motor with manley pistons
3.25 Upper/8.4" lower, 25-26psi 744whp/660tq
110 Octane
Lethal Budget Return system
60lb Injectors
stock rails
9.80's @ 138-140