Fact or Fiction - Performance Forum

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Fact or Fiction
Friday, July 22, 2005 6:31 AM
I was watching TV this morning before work, and they said that for every 100lbs that is in your car, you use about 15hp. Is that true?

jimmy

Re: Fact or Fiction
Friday, July 22, 2005 6:40 AM
that being true your car might not move at all.

180 lb man x 15 hp = 2700 hp ?

and that doesn't even include the weight of the car, something doesn't add up, anybody else have graphs and charts lol ?








Re: Fact or Fiction
Friday, July 22, 2005 6:41 AM
I removed a huge tool box and a spare car battery and gained .02 seconds in the 1/4. In large amounts it can be true, but if you turn a 150hp 3000lb car into a 1500lb one, you don't instantly have a 400hp car.





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Re: Fact or Fiction
Friday, July 22, 2005 7:09 AM
i think it should have said something to the effect that for every 100 lbs you remove from your car you gain a tenth of a second. and adding 10 hp will give you a tenth of a sec.
( or about )

and i dont know about you cinny but i'd love to have 2700 hp




Semper Fi SAINT. May you rest in peace.



Re: Fact or Fiction
Friday, July 22, 2005 7:23 AM
I want a ride in a SR-71 Blackbird that thing will do Mach 3, and just think no traffic up that high to worry about either.

2 Pratt & Whitney J-58
Fuel JP-7
refuel by KC-135Q
thrust weight 29,750lbs
Speed Mach 3, 2,189mph










Re: Fact or Fiction
Friday, July 22, 2005 7:27 AM
Cinny wrote:that being true your car might not move at all.

180 lb man x 15 hp = 2700 hp ?

and that doesn't even include the weight of the car, something doesn't add up, anybody else have graphs and charts lol ?


You need to read what he wrote again. He said ever 100 lbs. SO a 180 lb guy would be looking at 18.75hp for a 180 lbs guy.
NO you do not gain power by losing weight, but makes your power work better for you. Some people will compare a low weight car with certain power to a higher HP car with more weight.

Does beating a 800hp car make your car 800 hp, or more?? No Just a good setup and use of power.



FU Tuning



Re: Fact or Fiction
Friday, July 22, 2005 7:40 AM
you went in an sr-71? realy? how? do you work for nasa? and those things
go waaayyyy faster then mach 3. my dad worked on and re-fueled them on midway island back in nam you can about double that mach 3 guess. did you know that when
they land from a very high super sonic run the skin on the air craft is actualy expanded
from all the heat to the point that they need to be followed down the runway by foamtrucks because of all the fuel thats dumping out of there seems from heat sepperation. cool huh? thats also why none of them ever were shot down. also
why nasa uses them for training cause there the fastest thing short of the mach 22
the space shuttle hits durring re-entery.


but enough of this airplane talk i want a 2700 hp cavy!!!





Semper Fi SAINT. May you rest in peace.



Re: Fact or Fiction
Friday, July 22, 2005 7:44 AM
Quote:

I want a ride in a SR-71 Blackbird


want, not had a ride in

and that would be fun



Re: Fact or Fiction
Friday, July 22, 2005 7:55 AM
hoihiogbuiygiohlhl ok?
Re: Fact or Fiction
Friday, July 22, 2005 7:04 PM
oops my bad.




Semper Fi SAINT. May you rest in peace.



Re: Fact or Fiction
Friday, July 22, 2005 8:05 PM
divide the weight of yr car per horse power to get a power to wieght ratio ex. 2800 divided by 150 equals 18.6 lbs per horse power. now say a honda has a wieght of 2200 lbs divided by 107 hp stock equals 20.56 lbs per pound of car
i think my friends gsr has 14.5 lbs per horse so if y had a 200hp cavi it would be 14 pound of car for hp wich i pretty good power to weight ratio.
facts is a lighter car accelerate faster enough said
Nick

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