What size injectors will I need?
#14
RE: What size injectors will I need?
Did noone read the stickies??? I posted a link. Use the calculator
copied straight outta the link i posted:
Here is a good formula to find out what size injectors you need
(H*B) / (C*D)= estimated injector size
H=horsepower (Rear wheel)
B=*B.S.F.C. (see below)***
C=number of cylinders
D=duty cycle (constant .80-.85)
B.S.F.C.=
Low to med. performance = .50
Performance engine with head work= .45
High performance with lots of head work= .40-.45
S/C or T/C engines= .55-.60
So, according to the calculator, you would need 28.125 injectors, or 30#. If you plan on supercharging dont even waste your time with the 30's, and step up to AT LEAST 42's. But at that point the best fuel system in the world isnt gonna keep your block from splitting down the middle
copied straight outta the link i posted:
Here is a good formula to find out what size injectors you need
(H*B) / (C*D)= estimated injector size
H=horsepower (Rear wheel)
B=*B.S.F.C. (see below)***
C=number of cylinders
D=duty cycle (constant .80-.85)
B.S.F.C.=
Low to med. performance = .50
Performance engine with head work= .45
High performance with lots of head work= .40-.45
S/C or T/C engines= .55-.60
So, according to the calculator, you would need 28.125 injectors, or 30#. If you plan on supercharging dont even waste your time with the 30's, and step up to AT LEAST 42's. But at that point the best fuel system in the world isnt gonna keep your block from splitting down the middle
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Boostaddict
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09-08-2015 09:56 PM