How to figure what size fuel injector size to run.
A simple forumla which is very accurate. I always here people say what size should i run.
[ estimated rwhp X .50 ) / 8] /.8 = injector size.
say you have estimated 400 x .50 = 200 divided 8 which is the number of injectors on the engine= 25 divided by .8 which is the injector duty cycle= 31.25 < being the smallest suggested injector size to run.
When selecting a injector round the number up to the next available size as it is better to be below 80% duty than above. Blown or turbo application should figure for 70% duty cycle.
N/a and nitrous V8 reference chart
__________________________________________________ ______
hp injector size #'s
250 19.53
300 23.43
350 27.34
400 31.25
450 35.16
500 39.06
550 42.97
600 46.88
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