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new 4/11/04
Doug Lewis thinks the OE chip rolls off HP above 100 mph, but here are some old calcs of mine for a stock SHO based on my dyno sheets. I know I used FA~22.4 Sq Ft not 24 or 23.8 but that was based on a report that the FA was 22.4 Sq Ft.
Assume
Cd= .3 | 22.4 FA | 40 psi | 3700# |
Tabular Calcs
MPH | W HP | HP REQ | RPM |
118.2 | 169.7 | 101.2 | 4263 |
122.5 | 173.8 | 112.2 | 4419 |
126.8 | 183.3 | 124.1 | 4575 |
131.1 | 198.6 | 136.8 | 4731 |
135.4 | 189.8 | 150.3 | 4887 |
139.8 | 192.0 | 165.2 | 5043 |
144.1 | 192.9 | 180.6 | 5199 |
148.4 | 193.8 | 197.1 | 5355 |
152.7 | 194.8 | 214.5 | 5511 |
157.1 | 196.4 | 233.5 | 5667 |
159.9 | 196.7 | 246.1 | 5771 |
In Graph Format