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mpg/ rpm, what works best??
Posted 15 February 2004 - 03:40 AM
Posted 15 February 2004 - 04:14 AM
Posted 15 February 2004 - 11:22 AM
Posted 15 February 2004 - 11:51 AM
He "discovered" it about 10 years ago.
Posted 15 February 2004 - 06:02 PM
So for best fuel economy I keep it between 3 and 4 thousand rpm, and that is right where the torque is, when you put the gas down it wants to pull rather than bog.
This is of course with a carbbed block, turbo top end, 87 octane fuel, stock wheels, and stock full-time-4x4 d/r.
I often wonder if lo-range would be better for fuel economy, because there would be less load on the engine, but it would be turning higher rpm to maintain the same speed, it is be more practical to use in the city where you don't get up to high speeds.
However I have hit the highway in adverse conditions and maintained about 4500 rpm (75 mph) in lo range for extended periods of time and have had no trouble.
You should get a little better economy than me if you have a part time 4x4 tranny, less gears to turn, less load, etc.
Posted 16 February 2004 - 01:59 AM
Posted 16 February 2004 - 10:55 AM
short trips to work it runs about 2000-2500 at 55-65.. gets about 26 mpg this way..
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