Experience with V8 cold air intakes
06-03-2018, 08:27 AM
#21
Yep, with such a short tube flowing outside air, I'd have to see real temp rise data before buying into the heat soak story, regardless of the material it's made from.
06-03-2018, 09:14 AM
#22
Senior Member
The same half truths and fallacies keep getting passed around.
1) The stock intake IS a cold air intake.
2) Aftermarket filters DO NOT trade poor filtration for increased airflow
3) Aftermarket intakes add noise. Gulping, whooshing, whistling and at differing levels. Buyer beware. Some sound good, some are really annoying.
4) A tune is NOT needed for an intake
5) Aftermarket intakes CAN provide gains. Negligible peak HP and TQ, but often small gains at other RPM's. More importantly, there is a noticeable improvement in throttle response and on turbo motors quicker turbo spool-up
6) Despite Ford's claim, you aren't going to overspeed a turbo with an intake. It's just another item on their comprehensive list of aftermarket mods they can and will use to try and deny warranty claims.
They aren't a waste on money if you understand what you are buying and what it can and cannot do.
1) The stock intake IS a cold air intake.
2) Aftermarket filters DO NOT trade poor filtration for increased airflow
3) Aftermarket intakes add noise. Gulping, whooshing, whistling and at differing levels. Buyer beware. Some sound good, some are really annoying.
4) A tune is NOT needed for an intake
5) Aftermarket intakes CAN provide gains. Negligible peak HP and TQ, but often small gains at other RPM's. More importantly, there is a noticeable improvement in throttle response and on turbo motors quicker turbo spool-up
6) Despite Ford's claim, you aren't going to overspeed a turbo with an intake. It's just another item on their comprehensive list of aftermarket mods they can and will use to try and deny warranty claims.
They aren't a waste on money if you understand what you are buying and what it can and cannot do.
I'm that guy who will put this stuff on a dyno just to find out, but probably wouldn't bother with this one.
One anecdotal point I find interesting is that in the Ford letter regarding mods and warranty, they mention cold air intakes causing a turbo to spin up faster and higher than design, therefore cause denial of warranty. One has to wonder if they have actually tested or is it also just supposition on their part? Maybe just an excuse to deny warranty? The one take away for us is that installing a CAI does increase risk of a dealership giving you crap when you have an issue of some sort, even if unrelated. Yea yea Magnuson Moss and all that. Talking about the pain in the butt fight, not who is right.
One anecdotal point I find interesting is that in the Ford letter regarding mods and warranty, they mention cold air intakes causing a turbo to spin up faster and higher than design, therefore cause denial of warranty. One has to wonder if they have actually tested or is it also just supposition on their part? Maybe just an excuse to deny warranty? The one take away for us is that installing a CAI does increase risk of a dealership giving you crap when you have an issue of some sort, even if unrelated. Yea yea Magnuson Moss and all that. Talking about the pain in the butt fight, not who is right.
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silvius (06-03-2018)
06-03-2018, 10:08 AM
#23
Senior Member
I put a K&N "cold air" induction kit on a 7.3 PSD I had about 15 years ago. A few months down the road I decided it was time to service it, as I drive in a lot of dusty conditions. When I pulled the filter off the end of the tube, I was shocked to find a visible layer of fine dust in the tube. The filter fit perfectly, there were no leaks. This was being passed through the filter. I've heard it theorized that it's due to the oil film causing the sub-micron particles to stick and be seen, whereas they'd pass undetected with a dry filter. I'm not adequately sold. We have 4 Honda ATV's with oiled foam filters and the induction boots are always spotless. If you look at the ads for these gauze filter kits, they all brag about flow but nobody talks about filtration quality. I'd love to see a lab test with micron numbers, but after seeing that dirty tube I don't think anything's going to sell me on gauze again.
06-03-2018, 02:01 PM
#24
Senior Member
I put a K&N "cold air" induction kit on a 7.3 PSD I had about 15 years ago. A few months down the road I decided it was time to service it, as I drive in a lot of dusty conditions. When I pulled the filter off the end of the tube, I was shocked to find a visible layer of fine dust in the tube. The filter fit perfectly, there were no leaks. This was being passed through the filter. I've heard it theorized that it's due to the oil film causing the sub-micron particles to stick and be seen, whereas they'd pass undetected with a dry filter. I'm not adequately sold. We have 4 Honda ATV's with oiled foam filters and the induction boots are always spotless. If you look at the ads for these gauze filter kits, they all brag about flow but nobody talks about filtration quality. I'd love to see a lab test with micron numbers, but after seeing that dirty tube I don't think anything's going to sell me on gauze again.
Years ago, I did my own testing, comparing OEM paper filter media to K&N oiled gauze media. I did a smoke test on both, the K&N passed the smoke, the OEM paper filter blocked the smoke. Below are photos of both filters at the same magnification, you can see why the K&N passed debris, and dirt (with oil) that the paper filter won’t pass.
K&N oiled gauze filter media:
OEM paper filter media:
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06-03-2018, 02:17 PM
#25
06-03-2018, 02:56 PM
#26
Senior Member
06-04-2018, 04:43 AM
#27
Coke for mixer !
06-04-2018, 12:33 PM
#29
Super Duper Senior Member
The same half truths and fallacies keep getting passed around.
1) The stock intake IS a cold air intake.
2) Aftermarket filters DO NOT trade poor filtration for increased airflow
3) Aftermarket intakes add noise. Gulping, whooshing, whistling and at differing levels. Buyer beware. Some sound good, some are really annoying.
4) A tune is NOT needed for an intake
5) Aftermarket intakes CAN provide gains. Negligible peak HP and TQ, but often small gains at other RPM's. More importantly, there is a noticeable improvement in throttle response and on turbo motors quicker turbo spool-up
6) Despite Ford's claim, you aren't going to overspeed a turbo with an intake. It's just another item on their comprehensive list of aftermarket mods they can and will use to try and deny warranty claims.
They aren't a waste on money if you understand what you are buying and what it can and cannot do.
1) The stock intake IS a cold air intake.
2) Aftermarket filters DO NOT trade poor filtration for increased airflow
3) Aftermarket intakes add noise. Gulping, whooshing, whistling and at differing levels. Buyer beware. Some sound good, some are really annoying.
4) A tune is NOT needed for an intake
5) Aftermarket intakes CAN provide gains. Negligible peak HP and TQ, but often small gains at other RPM's. More importantly, there is a noticeable improvement in throttle response and on turbo motors quicker turbo spool-up
6) Despite Ford's claim, you aren't going to overspeed a turbo with an intake. It's just another item on their comprehensive list of aftermarket mods they can and will use to try and deny warranty claims.
They aren't a waste on money if you understand what you are buying and what it can and cannot do.
It was noisier. They do a lot with the stock intake to make them quiet. The one I had was a BBK and it wasn't super loud, but I have heard some others that were way noisier.
I did not see any gain in MPG's
I did see slightly better throttle response at the low end. But it wasn't enough that i would have paid full price for the intake.
Something else to consider is if you take your truck off road. I have seen some of the more open intakes have really wet filters after a day in the mud. Enclosed ones like the S&B seemed to do fine though. That's one of the main reasons I haven't gotten one for my truck.
06-04-2018, 12:41 PM
#30
Gone Golfin
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