When everyone says they have a 350 with 400 to 450 horse, what are you really saying? That the motor has 450 HP or you have 450 HP at the wheels (rwhp). There is a huge difference between the two, and I am curious as to what most of you are refering to when speaking of HP. Thanks.
Poll: True Horsepower (HP)
TazJr800
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When everyone says they have a 350 with 400 to 450 horse, what are you really saying? That the motor has 450 HP or you have 450 HP at the wheels (rwhp). There is a huge difference between the two, and I am curious as to what most of you are refering to when speaking of HP. Thanks.
When everyone says they have a 350 with 400 to 450 horse, what are you really saying? That the motor has 450 HP or you have 450 HP at the wheels (rwhp). There is a huge difference between the two, and I am curious as to what most of you are refering to when speaking of HP. Thanks.
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527 Posts
I just think you need to take it in context. If I say "I've got a 383 with 450hp" then it's the engine. If you're talking about the car, people SHOULD mention the rear wheel horsepower (because of tranny loss, etc.), but I don't think everyone always does.
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6,242 Posts
There's all kinds of horsepower. You've got Desktop Dyno horsepower, Engine Analyzer horsepower, magazine test horsepower, "my machinist told me" horsepower, Westec dyno horsepower, other dyno horsepower, chassis dyno "what's that at the crank?" horsepower, and dragstrip results horsepower to name a few.
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8,373 Posts
Ad infinitum! That's why racing was invented.
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595 Posts
I notice the old-school guys mean flywheel and the new-gen guys mean at the wheels...but don't ask me to define those two groups
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1,323 Posts
Raw or shirted? If shirted, synthetic or denim? Single or double ply?
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552 Posts
LOL......Too funny....but very true!! and .....Raw....if shirted, denim....Raw or shirted? If shirted, synthetic or denim? Single or double ply?
And your profile says "weightlift" HA!......I thinks you'z Power Lift!
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1,635 Posts
I have the DeskTop Dyno-POS-and I can make over 400 hp, I have parts that claim I will get over 400 hp, I have had people tell me that what I have will make my 355 over 400 hp but on a chassis dyno I didn't even come close using the 20% loss factor. I really don't want to spend more on another computer dyno so I am thinking of removing the solid lifter cam and putting the hydraulic back in. I will read more on the S/R Torquer compared with the Vortecs. decide which will help the most, and just lick my spending wounds. Like you, I have read a lot of 400 this and 400 that but each magazine tells you something different!
Too funny! BSHP!!!:hurray:
I would still rather see a mph in the quarter and actual weight of a car than be told "I make so and so hp...". Its pretty funny all the people out there in carland that make 500, 600, 700 hp or more yet their car cant get down the track with more than some moderately low mph. Then come the excuses, the track was wet, my tires ran off, my girlfriend was in the car or whatever. The track doesnt lie. I had my car on a dyno once and only once in San Antonio with a Camaro Club and it made 450hp at the wheels or so yet the car runs 133 in the quarter and wieghs 3720lbs... :clonk:
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