Boomer

Rydin Dirty


Premix Ratios

16:1........................1 gallon gas, 8oz oil
20:1........................1 gallon gas, 6.4oz oil
32:1........................1 gallon gas, 4oz oil
40:1........................1 gallon gas, 3.2oz oil
50:1........................1 gallon gas, 2.56oz oil
100:1(if you dont like your engine).....1 gallon gas, 1.28oz oil

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SPECTRO PRE-MIX RATIO CHART
GALLONS OF FUEL TO MIX
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
QUARTS OF FUEL TO MIX
2 4 6 8 10 12 14 16 18 20 22 24
OUNCES OF FUEL TO MIX
Oil to Fuel Ratio 64    128    192    256    320    384    448    512    576    640 704 768
20 :1 3    6 1/2 9 1/2 13    16    19    22 1/2 25 1/2 29    32    35    38 1/2
24 :1 2 1/2 5 1/2 8    10 1/2 13 1/2 16    18 1/2 21 1/2 24    26 1/2 29 1/2 32   
28 :1 2 1/2 4 1/2 7    9    11 1/2 13 1/2 16    18 1/2 20 1/2 23    25    27 1/2
32 :1 2    4    6    8    10    12    14    16    18    20    22    24   
36 :1 2    3 1/2 5 1/2 7    9    10 1/2 12 1/2 14    16    18    19 1/2 21 1/2
40 :1 1 1/2 3    5    6 1/2 8    9 1/2 11    13    14 1/2 16    17 1/2 19   
44 :1 1 1/2 3    4 1/2 6    7 1/2 8 1/2 10    11 1/2 13    14 1/2 16    17 1/2
48 :1 1 1/2 2 1/2 4    5 1/2 6 1/2 8    9 1/2 10 1/2 12    13 1/2 14 1/2 16   
50 :1 1 1/2 2 1/2 4    5    6 1/2 7 1/2 9    10    11 1/2 13    14    15 1/2
52 :1 1    2 1/2 3 1/2 5    6    7 1/2 8 1/2 10    11    12 1/2 13 1/2 15   
56 :1 1    2 1/2 3 1/2 4 1/2 5 1/2 7    8    9    10 1/2 11 1/2 12 1/2 13 1/2
60 :1 1    2    3    4 1/2 5 1/2 6 1/2 7 1/2 8 1/2 9 1/2 10 1/2 11 1/2 13   
64 :1 1    2    3    4    5    6    7    8    9    10    11    12   
68 :1 1    2    3    4    4 1/2 5 1/2 6 1/2 7 1/2 8 1/2 9 1/2 10 1/2 11 1/2
72 :1 1    2    2 1/2 3 1/2 4 1/2 5 1/2 6    7    8    9    10    10 1/2
76 :1 1    1 1/2 2 1/2 3 1/2 4    5    6    6 1/2 7 1/2 8 1/2 9 1/2 10   
80 :1 1    1 1/2 2 1/2 3    4    5    5 1/2 6 1/2 7    8    9    9 1/2
Oil to Fuel Ratio OUNCES OF OIL TO ADD
16 oz.=1 Pint TRICK FOR FIGURING 32:1 RATIOS IN YOUR HEAD:
32 oz.= 1 Qt. CONVERT THE FUEL FROM GALLONS TO QUARTS,
128 oz.= 1 GAL. THEN USE ONE OUNCE OF OIL FOR EVERY QUART.