k&N air filter question

[98eldorado-lee]

They dont make a k-n filter for a 98 eldorado, anybody have any ideas(another brand?)

[misfit6794]

Leave it stock, you will probably hurt power if anything, search the forums, this has been discussed 47654023627346273 times.

[submariner409]

Good thing they don't. You would be throwing money away. If you're looking at a so-called "cold air intake" understand that you already have a perfectly adequate one as built into the car. If you're looking for a higher flow panel filter than ACDelco, look at a WIX. Count the pleats.

There are a skrillion threads in here, Deville, and Northstar Performance about how to modify your existing airbox to increase intake area (which is already larger than the engine needs). Resist the urge to install an underhood hot air intake.

BTW, if you cave in and blow $$$ on a K&N, don't oil it much: you'll really screw up a $275 MAF with oil deposits.

Understand that car manufacturers (the engineers) aren't stupid: Cold Air Intakes have been used in nearly every car built for the last 20 years. They gain some high rpm horsepower and midrange fuel economy. Do you honestly think that Ford, GM, anybody would omit a cheap path to CAFE (Corporate Average Fuel Economy) so some aftermarket company could make a buck ??

[Necrosan]

They do have a K&N drop in for your 98. Part # is 33-2086. Most AutoZones/AAPs will have it.
For what it's worth, I did gain a mile or 2 per gallon according to my DIC when I installed a K&N drop in filter.
As always though, your mileage may vary.

[clok1966]

Any of you who have installed K&N have your old parts? I have a 99 STS with a K&N and would like to switch it back to the original. I do not like the extra noise (I know some do) and it just looks odd in there too me.

[mythy]

Theres a caddy site with dyno runs using a stock AC Delco and a K&N theres a 8HP gain

[submariner409]

Does the same Caddy site also have dyno runs using four or five of the other popular filters for comparison, or is K&N using comparison to only one filter as an advertising ploy, as in "Ours is better" ? Than what ? Is the "8hp gain" across the power band or at redline ? How much time has your engine spent at redline in the past month ?? (Consider that an 8hp gain at the wheels on a chassis dyno would equate to something on the order of a 12 -15 hp gain at the flywheel........quite a bit for an air filter panel.)

Fill the car up with the recommended gasoline. Make no other changes except to drop in the filter of your choice. Reset the long term average DIC to 0. Take a 500 mile trip, under changing road conditions. Write down the DIC long term average fuel mileage and reset it to 0. For the return trip home, take the same route, use the same fuel, except use the OEM filter for your car, (in this case, ACDelco). Again, at the end of the trip, compare the two fuel mileages. Now you know how many mpg you gained or lost.

Do the same filter switch for four runs at the drag strip on a cool afternoon, with no other changes. Which two runs are faster ?? Unless there is a repeatable, significant difference, you have just learned something about hype and advertising claims.

I'm not being nasty. When you have spent as much money as I on snake oil and plain automotive crap, you'll understand why it pays to do some unbiased research before you spend your hard-earned bucks.

[billytheshoe]

More air flow= more fuel usage & more dirt flow. I doubt if you removed the filter completely 8hp would be achived. Surely someone here has dynoed a K&N. I would say a 5hp gain would be a generous estimate.

[neverstuck]

after watching friends wreck mafs with K&N I would never use them .wix is great ,But I just stick with delco ,no issues ,My milage is fine ,and I never worry about oil on the maf .Honestly from what Ive read ,these engines are running about as good as they are going to without MAJOR money and many drivabilty issues >I learned something long ago about the miracles the world offers ,If I added all of the crap that claims to increase milage and boost power ,I would have a 5000 hp dragster making its own fuel....

[Ranger]

Originally Posted by neverstuck

after watching friends wreck mafs with K&N I would never use them .wix is great ,But I just stick with delco ,no issues ,My milage is fine ,and I never worry about oil on the maf .Honestly from what Ive read ,these engines are running about as good as they are going to without MAJOR money and many drivabilty issues >I learned something long ago about the miracles the world offers ,If I added all of the crap that claims to increase milage and boost power ,I would have a 5000 hp dragster making its own fuel....

Well put.

[billytheshoe]

On a different model/brand car, I actually did 3 pulls a on a dyno compairing my stock air filter and the last pull with a borrowed K&N panel filter. The only other modification I had was better flowing y-pipe & cats & muffs & rev chip. I gained 3hp.

[Ranger]

Hardly worth the price of admission I'd say. That's the best proof I've heard yet.

[billytheshoe]

I did this dyno run with a 89 yr model Ford Taurus with the SHO. A Yamaha 3.0L motor that may be the most bullit proof motor ever put in a production car. The speedo was buried 140+ 8000 rpm.....The SHO's had many issues, I owned a bunch of them.