kawa74

Expert Class
Posts: 226
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posted December 17, 2011 12:42 AM
Poor Boy's Dyno
TO kill some time on these cold winter nights .This will work any size NA engine, just got to have cubic inchs and rpm .Real simple, pretty close too.
14R = 1441cc = 87.92"
All CFM # @ 10*.
PAN: > Potential Air flow Needed > (Rpm / 1000) x (CID /2) = Total CFM @ 10* water / 4= cfm per cyl
HP = CFM @ 10* x .43
PAN=
(10,300 / 1000)= 10.3--- (87.92" / 2)= 43.96" x 10.3= 452.79 cfm / 4= 113.20cfm
113.20 cfm x .43= 48.67 hp x 4 =
194.69 HP @ 10,300rpm
10,600= 10.6 x 43.96"= 465.98 cfm / 4= 116.49 cfm x .43= 50.09 hp x 4=
200.38hp @ 10,600
10,800= 10.8 x 43.98"= 474.77 cfm / 4=118.69 cfm x .43= 51.03 hp x 4=
204 hp @ 10,800
11,000= 11 x 43.96"= 483.56 cfm / 4= 120.89 cfm x .43= 51.98 hp x 4=
207.93 hp @ 11.000
11,200= 11.2 x 43.96"= 492.35 cfm / 4= 123 cfm x .43= 52.89 hp x 4=
211.58 hp @ 11.200
11,500= 11.5 x 43.96"= 505.55 cfm / 4= 126.39 cfm x.43= 54.34 hp x 4=
217.38 hp @ 11,500
A Pro Stock Sux- 1755cc= 107" @ 14,000 = 187.25 cfm x .43 = 322 hp @ 14,000
Anything you can do to improve AIR FLOW through a engine will raise HP, more Oxygen ,more fuel, more POWER.
air filter
header
silencer
raise rpm to actual 11
47 TB's
port matching
springs and Ti retainers
O/S Valves
cams
NOS
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"I have never met a man so Ignorant that I coun't Learn from him"..."Galileo"
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BLK ICE

Pro
we'll leave the light on for u
Posts: 1709
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posted December 17, 2011 05:01 PM
good info.
Thanks for posting.
BLK ICE
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