grumpyvette
Well-known member
lets look a a few things gentelmen
http://home.austin.rr.com/turbolexus/Misc/Forced_Induction_Dyno_Calc.htm
http://wahiduddin.net/calc/density_altitude.htm
http://www.wahiduddin.net/calc/calc_hp_dp.htm
heres a good source of some parts
http://www.ramairbox.com/product.html
an engine is basically an air pump, the denser the air (colder air is denser) the more oxygen the air contains and the more efficintly fuel can be burnt and the more fuel can be burnt, first thing you need to understand is its the differance in oxygen content of lower temp air (denser air) that the engine sees not the temp. itself that effects the differance in potential hp
any system that sucks hot air from the engine compartment is not going to be very effective! but a system that uses cool air routed from a high pressure area of the car at speed can significantly help engine power , while the differance may be only 2% , better power above 100mph, that could easily be 8-12 hp on a basically stock corvette, in your favor, more than enought to win, against a similar not so equiped of equal power.
a correctly designed hoodscoop or under the bumper cold air intake can effectively lower the temp of the air entering the cylinders by 60 degrees or more, if that intake design is placed in a high pressure area at the front of the car or base of the windshield you can potentially gain a small amount of additional air density at higher speeds, while your not gaining anything much at 30mph, once you pass about 80mph theres a measurable differance in potential power to be gained depending on the cool air intake design and placement
theres hundreds of designs some good, some useless but a car with a correctly designed ram air system can easily gain 2-3% in hp over a similar car not so equiped at speeds over 100mph
keep in mind that 2% might put your car only a few feet ahead in a race but it takes only inches to WIN
http://www.up22.com/scoopw2.htm#SC-150
stick your hand out the window next time your going 80mph, notice the air resistance?? well a correctly designed air intake can effectively boost intsake pressure by over 1psi at high speeds and lower intake air temp by 60 degrees compared to under hood temps, play with the calculators youll see that 2%-4% hp gains or greater results are remarkably easy to obtain AT HIGHER SPEEDS
http://home.austin.rr.com/turbolexus/Misc/Forced_Induction_Dyno_Calc.htm
http://wahiduddin.net/calc/density_altitude.htm
http://www.wahiduddin.net/calc/calc_hp_dp.htm
heres a good source of some parts
http://www.ramairbox.com/product.html
an engine is basically an air pump, the denser the air (colder air is denser) the more oxygen the air contains and the more efficintly fuel can be burnt and the more fuel can be burnt, first thing you need to understand is its the differance in oxygen content of lower temp air (denser air) that the engine sees not the temp. itself that effects the differance in potential hp
any system that sucks hot air from the engine compartment is not going to be very effective! but a system that uses cool air routed from a high pressure area of the car at speed can significantly help engine power , while the differance may be only 2% , better power above 100mph, that could easily be 8-12 hp on a basically stock corvette, in your favor, more than enought to win, against a similar not so equiped of equal power.
a correctly designed hoodscoop or under the bumper cold air intake can effectively lower the temp of the air entering the cylinders by 60 degrees or more, if that intake design is placed in a high pressure area at the front of the car or base of the windshield you can potentially gain a small amount of additional air density at higher speeds, while your not gaining anything much at 30mph, once you pass about 80mph theres a measurable differance in potential power to be gained depending on the cool air intake design and placement
theres hundreds of designs some good, some useless but a car with a correctly designed ram air system can easily gain 2-3% in hp over a similar car not so equiped at speeds over 100mph
keep in mind that 2% might put your car only a few feet ahead in a race but it takes only inches to WIN
http://www.up22.com/scoopw2.htm#SC-150
stick your hand out the window next time your going 80mph, notice the air resistance?? well a correctly designed air intake can effectively boost intsake pressure by over 1psi at high speeds and lower intake air temp by 60 degrees compared to under hood temps, play with the calculators youll see that 2%-4% hp gains or greater results are remarkably easy to obtain AT HIGHER SPEEDS
