aftermarket air intake cause loss of power? - Ford Powerstroke Diesel Forum
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post #1 of 15 Old 05-06-2009, 01:45 PM Thread Starter
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aftermarket air intake cause loss of power?

anyone ever heard of a decrease of power and economy from a "cold air intake? i have an 02 w/ a k/n intake, ya i know its gotta go, but i was wondering if it actually allowed more heat from the engine compartment . the stock intake, with zoodad mod, takes air from the grill, my k/n, even with the elbow blocker-offer piece, seems like it would allow more hot air, so what good is it? can i put the stock air box in and w/ a different filter get as much air flow?
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post #2 of 15 Old 05-06-2009, 01:50 PM
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When you are cruising down the highway your intake temps will not be much different then ambient temperature. All that air is forced into the engine bay... You will be just fine.

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post #3 of 15 Old 05-06-2009, 07:01 PM
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Do This if u think that the air is going to get to hot

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post #4 of 15 Old 05-07-2009, 10:35 AM
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All your going to do by having a K&N is kill your turbo and add sand to your oil.
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post #5 of 15 Old 05-07-2009, 10:41 AM
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wow... did K&N get a bad name on here?


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post #6 of 15 Old 05-07-2009, 07:26 PM
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yeah so today i went over to my dads buddies house to show him my truck so he can figure out what injector is missing. He used to be a tech guy at ford when they came out with the later 7.3L so hes got all the scan tools and stuff. But i showed him the DIY intake and he said you probley lost about 50hp with that set up having that intake sitting right there without and clean freshh outside air. and i believe him hes worked for ford for 9 years just on diesel stuff. A cold air intake needs cold air!!!
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post #7 of 15 Old 05-07-2009, 07:30 PM
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Originally Posted by 99PSD-White View Post
yeah so today i went over to my dads buddies house to show him my truck so he can figure out what injector is missing. He used to be a tech guy at ford when they came out with the later 7.3L so hes got all the scan tools and stuff. But i showed him the DIY intake and he said you probley lost about 50hp with that set up having that intake sitting right there without and clean freshh outside air. and i believe him hes worked for ford for 9 years just on diesel stuff. A cold air intake needs cold air!!!
Then trash the cold air and just get a regular intake.. a DIY takes about 5 mins and its much better than stock

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post #8 of 15 Old 05-07-2009, 07:34 PM
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Originally Posted by Strokeorcroak View Post
Then trash the cold air and just get a regular intake.. a DIY takes about 5 mins and its much better than stock
i did put my stock one back on. and its not better than stock.
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post #9 of 15 Old 05-07-2009, 07:39 PM
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Originally Posted by 99PSD-White View Post
i did put my stock one back on. and its not better than stock.
Your saying your stock box is better than having an intake? Those boxs are terrible!! an intake with a napa filter on the end is your best bet!!!

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post #10 of 15 Old 05-07-2009, 07:41 PM
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Quote:
Originally Posted by Strokeorcroak View Post
Your saying your stock box is better than having an intake? Those boxs are terrible!! an intake with a napa filter on the end is your best bet!!!

I have the 04 box with the high end expensive filter. Think about it with out a box and just that filter sittin in side a super hot engine bay your not gunna get crap for power. The reason say they get more hp on a dyno is cuz they have a huge fan facing the front of the truck during a dyno test.
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