Quote:
Originally Posted by oldtamiyaphile
An average car cruises on about 7hp at moderate speeds. I could see a truck needing maybe 50hp max at cruise.
To work this out you need your hp for given speed/rpm X load. If your truck cruises at 30% load then that's about 50hp based on your figures.
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I have no idea what it is now, if I'm on the gas more than a hair (out of OD naturally) its busy accelerating to around 80mph while staying under 2500......I'm just trying to figure out based on the engine in its old stock form needed to produce to move and maintain the truck at a reasonable speed