Ford lehman 120 hp

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Depends on your cruising rpm. We run our two FL120s at 1650 rpm and together they burn about gallons per hour. It might be a wee bit less but based on the formula we were given by Northern Lights/Lugger it would be six so that's the figure we use for our fuel use calculations.
 
Depends on your cruising rpm. We run our two FL120s at 1650 rpm and together they burn about gallons per hour. It might be a wee bit less but based on the formula we were given by Northern Lights/Lugger it would be six so that's the figure we use for our fuel use calculations.

How many gallons per hour???
 
Six gph. Seems like.a lot my single.used around 2gph or less depending rpm. There is a big difference from 1800rpm to 1500.
 
1400 rpm on our's 60,000 1.9-2.1 per hour combined. Pics are a single FL120 on MT40 Sedan
 

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