LoveHorsepower Compressor Map Calculations
Boost: 25.0 PSI Engine Size: 7.0 Volumetric Efficiency: 85%
CFM Over Varying RPM and Boost - Use To Plot Onto A Compressor Map
| Boost in PSI | Pressure Ratio |
CFM at 500 RPM |
CFM at 750 RPM |
CFM at 1000 RPM |
CFM at 1250 RPM |
CFM at 1500 RPM |
CFM at 1750 RPM |
CFM at 2000 RPM |
CFM at 2250 RPM |
CFM at 2500 RPM |
CFM at 2750 RPM |
CFM at 3000 RPM |
CFM at 3250 RPM |
1.0 | 1.06 |
56.13 |
84.20 |
112.2 |
140.3 |
168.4 |
196.4 |
224.5 |
252.6 |
280.6 |
308.7 |
336.8 |
364.8 |
1.5 | 1.10 |
57.92 |
86.88 |
115.8 |
144.8 |
173.7 |
202.7 |
231.7 |
260.6 |
289.6 |
318.5 |
347.5 |
376.5 |
2.0 | 1.13 |
59.71 |
89.56 |
119.4 |
149.2 |
179.1 |
208.9 |
238.8 |
268.7 |
298.5 |
328.4 |
358.2 |
388.1 |
2.5 | 1.17 |
61.50 |
92.25 |
123.0 |
153.7 |
184.5 |
215.2 |
246.0 |
276.7 |
307.5 |
338.2 |
369.0 |
399.7 |
3.0 | 1.20 |
63.28 |
94.93 |
126.5 |
158.2 |
189.8 |
221.5 |
253.1 |
284.7 |
316.4 |
348.0 |
379.7 |
411.3 |
3.5 | 1.23 |
65.07 |
97.61 |
130.1 |
162.6 |
195.2 |
227.7 |
260.3 |
292.8 |
325.3 |
357.9 |
390.4 |
422.9 |
4.0 | 1.27 |
66.86 |
100.2 |
133.7 |
167.1 |
200.5 |
234.0 |
267.4 |
300.8 |
334.3 |
367.7 |
401.1 |
434.6 |
4.5 | 1.30 |
68.65 |
102.9 |
137.3 |
171.6 |
205.9 |
240.2 |
274.6 |
308.9 |
343.2 |
377.5 |
411.9 |
446.2 |
5.0 | 1.34 |
70.44 |
105.6 |
140.8 |
176.1 |
211.3 |
246.5 |
281.7 |
316.9 |
352.2 |
387.4 |
422.6 |
457.8 |
5.5 | 1.37 |
72.22 |
108.3 |
144.4 |
180.5 |
216.6 |
252.7 |
288.9 |
325.0 |
361.1 |
397.2 |
433.3 |
469.4 |
6.0 | 1.40 |
74.01 |
111.0 |
148.0 |
185.0 |
222.0 |
259.0 |
296.0 |
333.0 |
370.0 |
407.0 |
444.0 |
481.1 |
6.5 | 1.44 |
75.80 |
113.7 |
151.6 |
189.5 |
227.4 |
265.3 |
303.2 |
341.1 |
379.0 |
416.9 |
454.8 |
492.7 |
7.0 | 1.47 |
77.59 |
116.3 |
155.1 |
193.9 |
232.7 |
271.5 |
310.3 |
349.1 |
387.9 |
426.7 |
465.5 |
504.3 |
7.5 | 1.51 |
79.37 |
119.0 |
158.7 |
198.4 |
238.1 |
277.8 |
317.5 |
357.2 |
396.8 |
436.5 |
476.2 |
515.9 |
8.0 | 1.54 |
81.16 |
121.7 |
162.3 |
202.9 |
243.5 |
284.0 |
324.6 |
365.2 |
405.8 |
446.4 |
487.0 |
527.5 |
8.5 | 1.57 |
82.95 |
124.4 |
165.9 |
207.3 |
248.8 |
290.3 |
331.8 |
373.2 |
414.7 |
456.2 |
497.7 |
539.2 |
9.0 | 1.61 |
84.74 |
127.1 |
169.4 |
211.8 |
254.2 |
296.5 |
338.9 |
381.3 |
423.7 |
466.0 |
508.4 |
550.8 |
9.5 | 1.64 |
86.53 |
129.7 |
173.0 |
216.3 |
259.5 |
302.8 |
346.1 |
389.3 |
432.6 |
475.9 |
519.1 |
562.4 |
10.0 | 1.68 |
88.31 |
132.4 |
176.6 |
220.7 |
264.9 |
309.1 |
353.2 |
397.4 |
441.5 |
485.7 |
529.9 |
574.0 |
10.5 | 1.71 |
90.10 |
135.1 |
180.2 |
225.2 |
270.3 |
315.3 |
360.4 |
405.4 |
450.5 |
495.5 |
540.6 |
585.6 |
11.0 | 1.74 |
91.89 |
137.8 |
183.7 |
229.7 |
275.6 |
321.6 |
367.5 |
413.5 |
459.4 |
505.4 |
551.3 |
597.3 |
11.5 | 1.78 |
93.68 |
140.5 |
187.3 |
234.2 |
281.0 |
327.8 |
374.7 |
421.5 |
468.4 |
515.2 |
562.0 |
608.9 |
12.0 | 1.81 |
95.46 |
143.2 |
190.9 |
238.6 |
286.4 |
334.1 |
381.8 |
429.6 |
477.3 |
525.0 |
572.8 |
620.5 |
12.5 | 1.85 |
97.25 |
145.8 |
194.5 |
243.1 |
291.7 |
340.4 |
389.0 |
437.6 |
486.2 |
534.9 |
583.5 |
632.1 |
13.0 | 1.88 |
99.04 |
148.5 |
198.0 |
247.6 |
297.1 |
346.6 |
396.1 |
445.7 |
495.2 |
544.7 |
594.2 |
643.7 |
13.5 | 1.91 |
100.8 |
151.2 |
201.6 |
252.0 |
302.4 |
352.9 |
403.3 |
453.7 |
504.1 |
554.5 |
604.9 |
655.4 |
14.0 | 1.95 |
102.6 |
153.9 |
205.2 |
256.5 |
307.8 |
359.1 |
410.4 |
461.7 |
513.1 |
564.4 |
615.7 |
667.0 |
14.5 | 1.98 |
104.4 |
156.6 |
208.8 |
261.0 |
313.2 |
365.4 |
417.6 |
469.8 |
522.0 |
574.2 |
626.4 |
678.6 |
15.0 | 2.02 |
106.1 |
159.2 |
212.3 |
265.4 |
318.5 |
371.6 |
424.7 |
477.8 |
530.9 |
584.0 |
637.1 |
690.2 |
15.5 | 2.05 |
107.9 |
161.9 |
215.9 |
269.9 |
323.9 |
377.9 |
431.9 |
485.9 |
539.9 |
593.9 |
647.9 |
701.8 |
16.0 | 2.08 |
109.7 |
164.6 |
219.5 |
274.4 |
329.3 |
384.2 |
439.0 |
493.9 |
548.8 |
603.7 |
658.6 |
713.5 |
16.5 | 2.12 |
111.5 |
167.3 |
223.1 |
278.8 |
334.6 |
390.4 |
446.2 |
502.0 |
557.7 |
613.5 |
669.3 |
725.1 |
17.0 | 2.15 |
113.3 |
170.0 |
226.6 |
283.3 |
340.0 |
396.7 |
453.3 |
510.0 |
566.7 |
623.4 |
680.0 |
736.7 |
17.5 | 2.19 |
115.1 |
172.7 |
230.2 |
287.8 |
345.4 |
402.9 |
460.5 |
518.1 |
575.6 |
633.2 |
690.8 |
748.3 |
18.0 | 2.22 |
116.9 |
175.3 |
233.8 |
292.3 |
350.7 |
409.2 |
467.6 |
526.1 |
584.6 |
643.0 |
701.5 |
760.0 |
18.5 | 2.25 |
118.7 |
178.0 |
237.4 |
296.7 |
356.1 |
415.4 |
474.8 |
534.1 |
593.5 |
652.9 |
712.2 |
771.6 |
19.0 | 2.29 |
120.4 |
180.7 |
240.9 |
301.2 |
361.4 |
421.7 |
481.9 |
542.2 |
602.4 |
662.7 |
722.9 |
783.2 |
19.5 | 2.32 |
122.2 |
183.4 |
244.5 |
305.7 |
366.8 |
428.0 |
489.1 |
550.2 |
611.4 |
672.5 |
733.7 |
794.8 |
20.0 | 2.36 |
124.0 |
186.1 |
248.1 |
310.1 |
372.2 |
434.2 |
496.2 |
558.3 |
620.3 |
682.4 |
744.4 |
806.4 |
20.5 | 2.39 |
125.8 |
188.7 |
251.7 |
314.6 |
377.5 |
440.5 |
503.4 |
566.3 |
629.3 |
692.2 |
755.1 |
818.1 |
21.0 | 2.42 |
127.6 |
191.4 |
255.3 |
319.1 |
382.9 |
446.7 |
510.6 |
574.4 |
638.2 |
702.0 |
765.9 |
829.7 |
21.5 | 2.46 |
129.4 |
194.1 |
258.8 |
323.5 |
388.3 |
453.0 |
517.7 |
582.4 |
647.1 |
711.9 |
776.6 |
841.3 |
22.0 | 2.49 |
131.2 |
196.8 |
262.4 |
328.0 |
393.6 |
459.2 |
524.9 |
590.5 |
656.1 |
721.7 |
787.3 |
852.9 |
22.5 | 2.53 |
133.0 |
199.5 |
266.0 |
332.5 |
399.0 |
465.5 |
532.0 |
598.5 |
665.0 |
731.5 |
798.0 |
864.5 |
23.0 | 2.56 |
134.8 |
202.2 |
269.6 |
337.0 |
404.4 |
471.8 |
539.2 |
606.6 |
674.0 |
741.4 |
808.8 |
876.2 |
23.5 | 2.59 |
136.5 |
204.8 |
273.1 |
341.4 |
409.7 |
478.0 |
546.3 |
614.6 |
682.9 |
751.2 |
819.5 |
887.8 |
24.0 | 2.63 |
138.3 |
207.5 |
276.7 |
345.9 |
415.1 |
484.3 |
553.5 |
622.6 |
691.8 |
761.0 |
830.2 |
899.4 |
24.5 | 2.66 |
140.1 |
210.2 |
280.3 |
350.4 |
420.4 |
490.5 |
560.6 |
630.7 |
700.8 |
770.9 |
840.9 |
911.0 |
25.0 | 2.70 |
141.9 |
212.9 |
283.9 |
354.8 |
425.8 |
496.8 |
567.8 |
638.7 |
709.7 |
780.7 |
851.7 |
922.6 |
Same as above table except airflow measured in lb/min.
lb/min Over Varying RPM and Boost - Use To Plot Onto A Compressor Map
| Boost in PSI | Pressure Ratio |
lb/min at 500 RPM |
lb/min at 750 RPM |
lb/min at 1000 RPM |
lb/min at 1250 RPM |
lb/min at 1500 RPM |
lb/min at 1750 RPM |
lb/min at 2000 RPM |
lb/min at 2250 RPM |
lb/min at 2500 RPM |
lb/min at 2750 RPM |
lb/min at 3000 RPM |
lb/min at 3250 RPM |
1.0 | 1.06 |
3.933 |
5.900 |
7.867 |
9.834 |
11.80 |
13.76 |
15.73 |
17.70 |
19.66 |
21.63 |
23.60 |
25.57 |
1.5 | 1.10 |
4.059 |
6.088 |
8.118 |
10.14 |
12.17 |
14.20 |
16.23 |
18.26 |
20.29 |
22.32 |
24.35 |
26.38 |
2.0 | 1.13 |
4.184 |
6.276 |
8.369 |
10.46 |
12.55 |
14.64 |
16.73 |
18.83 |
20.92 |
23.01 |
25.10 |
27.19 |
2.5 | 1.17 |
4.309 |
6.464 |
8.619 |
10.77 |
12.92 |
15.08 |
17.23 |
19.39 |
21.54 |
23.70 |
25.85 |
28.01 |
3.0 | 1.20 |
4.435 |
6.652 |
8.870 |
11.08 |
13.30 |
15.52 |
17.74 |
19.95 |
22.17 |
24.39 |
26.61 |
28.82 |
3.5 | 1.23 |
4.560 |
6.840 |
9.120 |
11.40 |
13.68 |
15.96 |
18.24 |
20.52 |
22.80 |
25.08 |
27.36 |
29.64 |
4.0 | 1.27 |
4.685 |
7.028 |
9.371 |
11.71 |
14.05 |
16.39 |
18.74 |
21.08 |
23.42 |
25.77 |
28.11 |
30.45 |
4.5 | 1.30 |
4.810 |
7.216 |
9.621 |
12.02 |
14.43 |
16.83 |
19.24 |
21.64 |
24.05 |
26.46 |
28.86 |
31.27 |
5.0 | 1.34 |
4.936 |
7.404 |
9.872 |
12.34 |
14.80 |
17.27 |
19.74 |
22.21 |
24.68 |
27.14 |
29.61 |
32.08 |
5.5 | 1.37 |
5.061 |
7.592 |
10.12 |
12.65 |
15.18 |
17.71 |
20.24 |
22.77 |
25.30 |
27.83 |
30.36 |
32.89 |
6.0 | 1.40 |
5.186 |
7.780 |
10.37 |
12.96 |
15.56 |
18.15 |
20.74 |
23.34 |
25.93 |
28.52 |
31.12 |
33.71 |
6.5 | 1.44 |
5.312 |
7.968 |
10.62 |
13.28 |
15.93 |
18.59 |
21.24 |
23.90 |
26.56 |
29.21 |
31.87 |
34.52 |
7.0 | 1.47 |
5.437 |
8.156 |
10.87 |
13.59 |
16.31 |
19.03 |
21.74 |
24.46 |
27.18 |
29.90 |
32.62 |
35.34 |
7.5 | 1.51 |
5.562 |
8.343 |
11.12 |
13.90 |
16.68 |
19.46 |
22.25 |
25.03 |
27.81 |
30.59 |
33.37 |
36.15 |
8.0 | 1.54 |
5.687 |
8.531 |
11.37 |
14.21 |
17.06 |
19.90 |
22.75 |
25.59 |
28.43 |
31.28 |
34.12 |
36.97 |
8.5 | 1.57 |
5.813 |
8.719 |
11.62 |
14.53 |
17.43 |
20.34 |
23.25 |
26.15 |
29.06 |
31.97 |
34.87 |
37.78 |
9.0 | 1.61 |
5.938 |
8.907 |
11.87 |
14.84 |
17.81 |
20.78 |
23.75 |
26.72 |
29.69 |
32.66 |
35.63 |
38.60 |
9.5 | 1.64 |
6.063 |
9.095 |
12.12 |
15.15 |
18.19 |
21.22 |
24.25 |
27.28 |
30.31 |
33.35 |
36.38 |
39.41 |
10.0 | 1.68 |
6.189 |
9.283 |
12.37 |
15.47 |
18.56 |
21.66 |
24.75 |
27.85 |
30.94 |
34.03 |
37.13 |
40.22 |
10.5 | 1.71 |
6.314 |
9.471 |
12.62 |
15.78 |
18.94 |
22.10 |
25.25 |
28.41 |
31.57 |
34.72 |
37.88 |
41.04 |
11.0 | 1.74 |
6.439 |
9.659 |
12.87 |
16.09 |
19.31 |
22.53 |
25.75 |
28.97 |
32.19 |
35.41 |
38.63 |
41.85 |
11.5 | 1.78 |
6.564 |
9.847 |
13.12 |
16.41 |
19.69 |
22.97 |
26.25 |
29.54 |
32.82 |
36.10 |
39.38 |
42.67 |
12.0 | 1.81 |
6.690 |
10.03 |
13.38 |
16.72 |
20.07 |
23.41 |
26.76 |
30.10 |
33.45 |
36.79 |
40.14 |
43.48 |
12.5 | 1.85 |
6.815 |
10.22 |
13.63 |
17.03 |
20.44 |
23.85 |
27.26 |
30.66 |
34.07 |
37.48 |
40.89 |
44.30 |
13.0 | 1.88 |
6.940 |
10.41 |
13.88 |
17.35 |
20.82 |
24.29 |
27.76 |
31.23 |
34.70 |
38.17 |
41.64 |
45.11 |
13.5 | 1.91 |
7.066 |
10.59 |
14.13 |
17.66 |
21.19 |
24.73 |
28.26 |
31.79 |
35.33 |
38.86 |
42.39 |
45.92 |
14.0 | 1.95 |
7.191 |
10.78 |
14.38 |
17.97 |
21.57 |
25.16 |
28.76 |
32.36 |
35.95 |
39.55 |
43.14 |
46.74 |
14.5 | 1.98 |
7.316 |
10.97 |
14.63 |
18.29 |
21.94 |
25.60 |
29.26 |
32.92 |
36.58 |
40.24 |
43.89 |
47.55 |
15.0 | 2.02 |
7.441 |
11.16 |
14.88 |
18.60 |
22.32 |
26.04 |
29.76 |
33.48 |
37.20 |
40.93 |
44.65 |
48.37 |
15.5 | 2.05 |
7.567 |
11.35 |
15.13 |
18.91 |
22.70 |
26.48 |
30.26 |
34.05 |
37.83 |
41.61 |
45.40 |
49.18 |
16.0 | 2.08 |
7.692 |
11.53 |
15.38 |
19.23 |
23.07 |
26.92 |
30.77 |
34.61 |
38.46 |
42.30 |
46.15 |
50.00 |
16.5 | 2.12 |
7.817 |
11.72 |
15.63 |
19.54 |
23.45 |
27.36 |
31.27 |
35.18 |
39.08 |
42.99 |
46.90 |
50.81 |
17.0 | 2.15 |
7.943 |
11.91 |
15.88 |
19.85 |
23.82 |
27.80 |
31.77 |
35.74 |
39.71 |
43.68 |
47.65 |
51.62 |
17.5 | 2.19 |
8.068 |
12.10 |
16.13 |
20.17 |
24.20 |
28.23 |
32.27 |
36.30 |
40.34 |
44.37 |
48.41 |
52.44 |
18.0 | 2.22 |
8.193 |
12.29 |
16.38 |
20.48 |
24.58 |
28.67 |
32.77 |
36.87 |
40.96 |
45.06 |
49.16 |
53.25 |
18.5 | 2.25 |
8.318 |
12.47 |
16.63 |
20.79 |
24.95 |
29.11 |
33.27 |
37.43 |
41.59 |
45.75 |
49.91 |
54.07 |
19.0 | 2.29 |
8.444 |
12.66 |
16.88 |
21.11 |
25.33 |
29.55 |
33.77 |
37.99 |
42.22 |
46.44 |
50.66 |
54.88 |
19.5 | 2.32 |
8.569 |
12.85 |
17.13 |
21.42 |
25.70 |
29.99 |
34.27 |
38.56 |
42.84 |
47.13 |
51.41 |
55.70 |
20.0 | 2.36 |
8.694 |
13.04 |
17.38 |
21.73 |
26.08 |
30.43 |
34.77 |
39.12 |
43.47 |
47.82 |
52.16 |
56.51 |
20.5 | 2.39 |
8.820 |
13.23 |
17.64 |
22.05 |
26.46 |
30.87 |
35.28 |
39.69 |
44.10 |
48.51 |
52.92 |
57.33 |
21.0 | 2.42 |
8.945 |
13.41 |
17.89 |
22.36 |
26.83 |
31.30 |
35.78 |
40.25 |
44.72 |
49.19 |
53.67 |
58.14 |
21.5 | 2.46 |
9.070 |
13.60 |
18.14 |
22.67 |
27.21 |
31.74 |
36.28 |
40.81 |
45.35 |
49.88 |
54.42 |
58.95 |
22.0 | 2.49 |
9.195 |
13.79 |
18.39 |
22.98 |
27.58 |
32.18 |
36.78 |
41.38 |
45.97 |
50.57 |
55.17 |
59.77 |
22.5 | 2.53 |
9.321 |
13.98 |
18.64 |
23.30 |
27.96 |
32.62 |
37.28 |
41.94 |
46.60 |
51.26 |
55.92 |
60.58 |
23.0 | 2.56 |
9.446 |
14.16 |
18.89 |
23.61 |
28.33 |
33.06 |
37.78 |
42.50 |
47.23 |
51.95 |
56.67 |
61.40 |
23.5 | 2.59 |
9.571 |
14.35 |
19.14 |
23.92 |
28.71 |
33.50 |
38.28 |
43.07 |
47.85 |
52.64 |
57.43 |
62.21 |
24.0 | 2.63 |
9.697 |
14.54 |
19.39 |
24.24 |
29.09 |
33.93 |
38.78 |
43.63 |
48.48 |
53.33 |
58.18 |
63.03 |
24.5 | 2.66 |
9.822 |
14.73 |
19.64 |
24.55 |
29.46 |
34.37 |
39.28 |
44.20 |
49.11 |
54.02 |
58.93 |
63.84 |
25.0 | 2.70 |
9.947 |
14.92 |
19.89 |
24.86 |
29.84 |
34.81 |
39.79 |
44.76 |
49.73 |
54.71 |
59.68 |
64.65 |
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