Injector HP ratings: divide flow rating by.5 and multiply the result by the number of injectors. This uses a 100% duty cycle. These ratings are for naturally aspirated engines.
Example:
19/.5 = 38, 38 x 8 = 304 HP
24/.5 = 48, 48 x 8 = 384 HP
30/.5 = 60, 60 x 8 = 480 HP
36/.5 = 72, 72 x 8 = 576 HP
42/.5 = 84, 84 x 8 = 672 HP
The preferred duty cycle is about 85% maximum, so for a safety factor multiply the final figure times .85.
304 HP x .85 = 258 HP
385 HP x .85 = 326 HP
480 HP x .85 = 408 HP
576 HP x .85 = 490 HP
672 HP x .85 = 571 HP
Remember that the above ratings are at 39 PSI. Increasing the pressure will effectively increase the flow rating. Example: a 19 lb injector will flow 24 lbs at 63 PSI, and a 24 lb injector will flow 30 lbs at 63 PSI.
See http://users.erols.com/srweiss/ to get the calculators used in these examples.
Any idea on where my HP will be?
Any idea on where my HP will be?
According to Desktop Dyno, which has been pretty accurate for me in the past, i was able to arrive at a range of 400-450hp at the crank.
Keep in mind, i wasnt able to nail down your exact parts in the files, i had to use a stage 2 cam, and im not 100% sure about the head flow file they have, but this is a good ballpark for you.
without knowing what you are running for exhaust, im guessing shortys, i would say closer to 400hp.
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