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Vernatone MKII Dual Stage Round

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Application: All Inboards
Fuel type: Gas/Diesal
Waterline: Above only
Sound rating: Best

Vernatone Installation Sheet

VERNATONE MKII DUAL STAGE ROUND
  A1 A2 B C D F
  INLET OUTLET I/O LENGTH LENGTH DIAMETER I/O OFFSET
Part # INCHES MM INCHES MM INCHES MM INCHES MM INCHES MM INCHES MM
1420300 3.00 76 3.00 76 3.00 76 29.00 737 8.38 213 2.13 54
1420350 3.50 89 3.50 89 3.50 89 30.00 762 8.38 213 1.88 48
1420400 4.00 102 4.00 102 4.00 102 38.50 978 10.06 256 2.50 64
1420450 4.50 114 4.50 114 4.50 114 41.00 1041 10.06 256 2.25 57
1420500 5.00 127 5.00 127 5.00 127 46.00 1168 10.06 256 2.00 51
1420600 6.00 152 6.00 152 6.00 152 54.00 1372 12.38 314 2.63 67
1420800 8.00 203 8.00 203 8.00 203 66.00 1676 16.25 413 3.50 89
1421000 10.00 254 10.00 254 8.00 203 81.00 2057 18.50 470 3.63 92
1421200 12.00 305 12.00 305 10.00 254 94.00 2388 22.25 565 4.25 108
1421400 14.00 356 14.00 356 10.00 254 113.00 2870 22.25 565 3.50 89




The following table is for general recommendations only:

IN & OUT SIZE / MAXIMUM H.P.
Dia. A
Gasoline
Diesel
1.50" or 1.63"
30
10
2.00"
60
25
2.50"
110
40
3.00"
160
60
3.50"
220
85
4.00"
280
125
4.50"
320
170
5.00"
370
210
6.00"
440
280
8.00"
--
420
10.00"
--
680
12.00"
--
900
14.00"
--
1150

NOTE: For V-Block engines where twin exhaust lines are desired, divide the H.P. by two and then match to the appropriate size.


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