Very weird question
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Tuned
Joined: Sep 2013
Posts: 453
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From: Little Rock, AR
OK so I've heard the 300 gets 223 ft-lbs @ 1600 RPM and ~120 horsepower @ 3400 RPM. If you follow the equation HP=(Torque x RPM)/5252 you end up with the horsepower at ~68. That's nowhere near the correct rating. Then, working backward by solving for torque, setting horsepower at 120@3400 RPM u arrive at 180 torque. The formula works on most engines, why not the 300?
I based all of this on my 1983 year model I6.
I based all of this on my 1983 year model I6.
Postmaster
Joined: Mar 2005
Posts: 2,949
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From: Earth
When the 300 is making 223 lbft of torque it's making ~68hp and when it's making 120hp it's making ~180 lbft of torque.
HP is a linear function of rpm and torque, that's why the hp and torque lines always cross at 5252 on a dyno graph.
HP is a linear function of rpm and torque, that's why the hp and torque lines always cross at 5252 on a dyno graph.
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Tuned
Joined: Sep 2013
Posts: 453
Likes: 19
From: Little Rock, AR
Ohhh. I thought u could use the formula to solve for Max torque and Max horsepower. But no it actually measures the torque while horsepower is at a given amount. Alright thanks. That'll help on my votech work.
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noquarter80
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
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