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Old 02-03-2010, 05:17 AM   #1
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Default Modifying intake for more air

I've looked, and searched, for how to modify my intake so that I could suck more air into my truck, seeing as how restrictive the intake is, and can not come up with anything that is worth trying.

I was wondering what you guys know along the lines of improving air flow throughout the truck, and general air intake. I simply want to make it so that my truck can draw more air through the scoop, without having to buy a CAI.

Thanks.
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Old 02-03-2010, 07:32 AM   #2
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year?

on my 92 5.8 i bought a k&n drop in,cut the bottom out of my box almost to the filter,then fliped the box upside down and bolted it back in place

u can hear in at idle and acc.,,,,make a little whistle when u get on it
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Old 02-03-2010, 08:02 AM   #3
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year?

on my 92 5.8 i bought a k&n drop in,cut the bottom out of my box almost to the filter,then fliped the box upside down and bolted it back in place

u can hear in at idle and acc.,,,,make a little whistle when u get on it
any pics?
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Old 02-03-2010, 09:10 AM   #4
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What motor and year? If its a 4.9 you don't really need to do anything. It's already cold air.
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Old 02-03-2010, 09:52 AM   #5
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On my 95 5.0 all I did was remove the upper part of the air box, bought a MAF adapter and clamped a k&n cone filter to it. The filter lays in the lowe part of the air box so air is still directed to it from the grill.
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Old 02-03-2010, 12:06 PM   #6
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What's been posted already sounds interesting, but for the year and engine it is a 1989 5.0 302.
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Old 02-03-2010, 12:55 PM   #7
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What's been posted already sounds interesting, but for the year and engine it is a 1989 5.0 302.
Your probem is it's a MAP engine. it has a limited ability to compensate for to much more than a K&N drop in provides w/o running lean. The injector's are more than capable of providing the extra fuel to balance the extra air being provided. However, the MAP isn't capable of knowing there's extra air & telling the ECU, so it adjusts fuel for the increase. This is why some people w/ MAP engines convert them to MAF! Also, if it's injected, it's already CAI. Think about it! Maybe not the configuration you'd like.
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Old 02-03-2010, 12:58 PM   #8
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Your probem is it's a MAP engine. it has a limited ability to compensate for to much more than a K&N drop in provides w/o running lean. The injector's are more than capable of providing the extra fuel to balance the extra air being provided. However, the MAP isn't capable of knowing there's extra air & telling the ECU, so it adjusts fuel for the increase. This is why some people w/ MAP engines convert them to MAF!
Oh, so other then being able to drop in a K&N, I would be pretty stuck with doing anything else?

I really am just trying to find some worthwhile mods, to increase horsepower. Seeing as how its 21 years old (Can finally have a beer), it's lost a bit of power.
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Old 02-03-2010, 01:10 PM   #9
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Oh, so other then being able to drop in a K&N, I would be pretty stuck with doing anything else?

I really am just trying to find some worthwhile mods, to increase horsepower. Seeing as how its 21 years old (Can finally have a beer), it's lost a bit of power.
On the air intake anyway. You biggest increase in performance & mpg would be an ignition system upgrade Mod w/ base timing bump & plug gap stretch.
http://fullsizebronco.com/forum/show...ht=timing+bump Around $2oo. plus elbow grease.
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Old 02-03-2010, 01:35 PM   #10
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On the air intake anyway. You biggest increase in performance & mpg would be an ignition system upgrade Mod w/ base timing bump & plug gap stretch.
http://fullsizebronco.com/forum/show...ht=timing+bump Around $2oo. plus elbow grease.
Oh yeah. I've read about that time and time again.
I would do it, but Im saving my money up to get my exhaust redone. Holes in the pipes everywhere.
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