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Old 11-13-2008, 11:36 AM   #1
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Was wondering what every one is reading on their scan gauge with the hp function. Just had mine upgraded for X-gauge and took it out for a short drive this morning.

Sitting in driveway idling it started reading 27 hp, slowly went down to 16 hp as the engine warmed up.

On the highway running level at 55 mph it was reading between 80 & 90 hp. Went WOT at 55, it down shifted to 3rd gear and climbed to 349 hp at 70 mph. Was afraid to go any faster since I was in a 55mph speed zone.

Has anyone else checked theirs to see what it is reading under different situations? Also, does anyone know what the HP is calculated from?
Tom
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Old 11-13-2008, 11:36 AM   #2
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Was wondering what every one is reading on their scan gauge with the hp function. Just had mine upgraded for X-gauge and took it out for a short drive this morning.

Sitting in driveway idling it started reading 27 hp, slowly went down to 16 hp as the engine warmed up.

On the highway running level at 55 mph it was reading between 80 & 90 hp. Went WOT at 55, it down shifted to 3rd gear and climbed to 349 hp at 70 mph. Was afraid to go any faster since I was in a 55mph speed zone.

Has anyone else checked theirs to see what it is reading under different situations? Also, does anyone know what the HP is calculated from?
Tom
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Old 11-13-2008, 12:44 PM   #3
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Tom, I selected the HP readings and thought they were unreally low for idling and slow driving, just gave it up since I really wanted more important info.

Fred
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Old 11-13-2008, 04:08 PM   #4
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At 4 grand mine showed 361 HP. Remember, this is a calculated value.
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Old 11-13-2008, 06:27 PM   #5
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For those who are wondering about 30-50 HP idling
let me ask this question:

How many HP does it take to circulate fluid through the transmission at in neutral at idle?

HP is a function of load believe it or not. To grab a number the engine has a peak power of 350 HP. but sitting there in park, do you need 350 HP, no way. so it's only cranking out 30. Doing 25mph down the lane, it's still not needing full power. Accelerating to double nickles on the ramp that goes UP to the freeway......

Now that's when you need max power

And the gauge should reflect just that

Hp is force over distance.. If you are not moving (or at least moving something (Then there is no need for hp.. You are. of course always circulating fluids, moving air and running the alternator (which may take 10-20 HP all by it's lonesome)
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Old 11-13-2008, 07:20 PM   #6
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by John-D: </div></BLOCKQUOTE>Congratulations on your "400th Post"

You're right!
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Old 11-14-2008, 05:49 AM   #7
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by oemtech:
At 4 grand mine showed 361 HP. Remember, this is a calculated value. </div></BLOCKQUOTE>


Come on Dale, only 361 HP!! Thought for sure the Ultrapower equipment would boost it up to at least 600. Just kidding, I do realize, as should every one with a scan gauge that this is indeed just a calculated value that is displayed.

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