Quote:
Originally Posted by BurnmstrJ
Just to throw some thoughts out there for a fellow Air Force member:
1. When you try to help someone and tell them they are over their head you should understand what you are talking about as well.
2. The n54 engine has 181.8 cubic inches. To calculate how big your intake would need to be to feed this engine you would use the following formula -
A = CID * RPM/20839
A = effective filtering area
CID = cubic inch displacement
RPM = revolutions per minute at maximum power
If you do this correctly, the N54 needs 50.599 square inches of filter to effectively feed the engine.
Now, if the Spectre cone is a 3 inch cone that is 6.7 inches tall you can figure out the square inches by doing length * width. This comes out to be 26.8 per filter. Effectively providing 53.6 sq inches of filter to the engine. This seems like more than is needed doesn't it? Blow the engine? I think not.
Spectre has also sent a car down the salt flats doing 415 MPH with their parts. I dont think they would do that without quality parts.
Sir, your engine will be fine with the filters you have supplied.
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Your formula is incorrect. The N54 utilizes forced induction. The correct formula is:
(Lbs. Boost/14.7) + 1 * CID * RPM/20,839 = filter size in inches squared.