Feels like more HP
Thread Starter
Racer
Joined: Jan 2010
Posts: 367
Likes: 1
From: Christchurch Canterbury
Feels like more HP
Just drove my 427, 69, back from a mates house, temp outside is around 1 deg C, car feels like it has another 100hp wow.
Smokes the bags on a rolling start just on throttle, guess all the hot air really makes a huge difference.
Actually goes like I always felt it should!
Stoked!
Smokes the bags on a rolling start just on throttle, guess all the hot air really makes a huge difference.
Actually goes like I always felt it should!
Stoked!
Melting Slicks
Joined: Sep 2011
Posts: 3,372
Likes: 215
From: Peoria Arizona
Oh yeah... cool air will make a BIG difference. I can really tell that here now that the temps have climbed up so high. Just doesn't run like it did when it was cooler out.
Sounds like a nice ride!
Adam
Sounds like a nice ride!
Adam
Le Mans Master
Joined: Sep 2004
Posts: 5,116
Likes: 5
From: Livonia MI
Quite a few things factor into this. It's true, colder/denser air can make more power, but cooler pavement/tire temperatures, don't allow for much traction either. If not already, you're really wanting to duct in cooler intake air, before the hot radiator, rather than a basic open type element. The biggie's really elevation though. For every 1000 ft above sea level, you'll lose about 3% hp. It's easy to see why there's quite a power drop in the mountains.
Race Director
Joined: Jul 2001
Posts: 15,892
Likes: 42
Because the energy spent in making the cold air will never equal (never mind exceed) the energy gained. No free lunch.
Team Owner
Joined: Jul 1999
Posts: 26,545
Likes: 46
From: Huntersville NC
And what exactly is an "intercooler" anyway?
Racer
Joined: Nov 2009
Posts: 423
Likes: 7
From: Utah
Compressing air (with a turbo/supercharger) heats up the air (Ideal Gas Law: PV=nRT). Passing that air through the intercooler(think radiator for the incoming air) AFTER it is compressed cools it down before it enters a carb/throttle body. That brings you back to cooler air which has a higher concentration of O2 which means you can add more gas and have a bigger BANG!
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Race Director
Joined: Jul 2001
Posts: 15,892
Likes: 42
Compressing air (with a turbo/supercharger) heats up the air (Ideal Gas Law: PV=nRT). Passing that air through the intercooler(think radiator for the incoming air) AFTER it is compressed cools it down before it enters a carb/throttle body. That brings you back to cooler air which has a higher concentration of O2 which means you can add more gas and have a bigger BANG!