Thread: Cold Air Intake ?

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How much effect would a cold air intake have much on engine heat ?
Thank You
ET

The cooler the air, the cooler the inlet charge and the better the engine runs...

We used to have a can on the firewall to fill with ice our fuel line was coiled up in it.

For each 10* drop in carb inlet temperature, power picks up by 1%. That's why it's so important to run a cool air inlet from outside the car instead of picking up air that has been through the radiator and is maybe 180* going into the motor. Pick up outside air at 80* instead and you have gained 10% power for free. Of course, you may have to re-jet to take advantage of the heavier air.

This doesn't answer your question on engine heat and its relationship to drawing in cooler air and I don't know that I have ever seen any studies done on it. My initial thoughts would be that the engine may run a little warmer pulling in cool air because it's making more power. But that's just my opinion, unsubstantiated with a scientific explanation.

it might help cool down the intake runners but thats about all i can think of..... BTW your ice can thing made me think.... and i thought... why not run the fuel line through a peltier block? i've seen ones used for liquid cooling on computers made to cool the processor down to 30*.... you could directly route the fuel right through the block..... that would be some chilly fuel..... might work well for running some beer through too mmmm

Here is the answer from K & N

"Thank you for your interest in K&N products. Because an intake system makes more horsepower the engine temp may rise a couple degrees."

I need cooler at slow RPMs I have already changed other things and am just looking for anything else that might help

jetting a little bit richer didn't help?

If the motor heats in traffic but not at highway speeds, then the fix is with the fan and shroud and making sure you provide enough area for the heat to exit the engine bay. Some of the guys who run early cars with solid hood sides have found out why Henry used louvers on the hood sides.

I have changed fan and shroud. Just thinking of anything else that may help. On My Willys Wagon I did graft in louvers and cured its heat problem. This has a flamed hood so I don,t realy want to cut into it. The cold air may still happen, It is cheap HP and may not be a factor at low rpms , More power - less work

I was told that a cold air intake and a 1" helix throttle body spacer will increase Torq and HP as well as increase fuel milage. I put both on my I-6 JEEP and was supprised at the noticable difference it made. If I understand correctly... The colder denser air coupled with the swirl from the helix spacer gives better fuel atomization, which means a more efficient burn ='s more Tq & Hp and better milage. I got a very noticable increase in Tq, and around 3-4 mpg more from it. I did notice a slight increase in temp with it ... approx 2degrees according to my factory indicator.