Side air intalke scoop (currently available) anyone know of any good ones? (Page 1/4)
DimeMachine DEC 25, 08:53 AM
Looking to get a little more air flowing in thru the driver side stock intake vent area to lower the air intake temp of my 3800 air intake.

Anyone know of any that are currently available?

Thanks and Happy Holidays!

Dime

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84/87 NB, 3800SC, E-85, VS Cam, 2.8 Pulley, 4T65E-HD, HP Tuners, AEM Wideband, Regal GS Gauges, S-10 Brake Booster. 1/4 mile -11.85 at 114mph

theogre DEC 25, 11:39 AM
Like the Holley scoop now copied by many?
Is a joke that does little or nothing or worse reduce flow at various speeds.

OE air intake is a "cold air" setup w/ a muffler and water blocking part in the fender right behind the grill.
Many idiots claim the small hole you easily see is air flow. Not. That is a water drain to remove water getting over the wall.

Is some pictures and even a cut view of the muffler showing possible problems for big engines.

Some have mod'ed the muffler so output section allows more air Because many think that area pinches air flow. (Output is "pinch" to clear fuel fill pipe.)
I think the muffler is Polypropylene and if true then could soften and reshape the pinch point a bit by heat rather then cutting it.

RD has/had a "kit" to delete the muffler but is a bad move for anyone that ever drives in iffy weather. Even people claiming drive only on nice days.
Engine running sucks in a lot of water and worse w/o the muffler can't even go to car wash "tunnel machines" because V6 air filter will often get wet. Other air filter mods will also get wet and wet filters including crap K&N types have problems gets soak w/ polluted or soapy water.
In that archive page has no clue how the muffler works or seem have no idea about small drain hole either.

Note: MAF setups often Hate K&N types and ruin the MAF because Filter Oil gets in the hot "filaments" and cooks/burns and wrecks them and often cleaning using MAF spray cleaners won't help.

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Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)

The Ogre's Fiero Cave

[This message has been edited by theogre (edited 12-25-2020).]

fierofool DEC 25, 03:11 PM
To help prevent filter element soaking, a rubber washer/gasket can be installed underneath the nut and a small amount of synthetic brake grease or dielectric grease can be applied to the threads of the screw post. Water running down through the vent grill and also being blown up from below when at road speeds can run down the sides of the filter canister or be forced upward to the bottom of it and cause canister and intake tubing rust.

The Fiero intake is essentially a cold air intake as it pulls it's air from outside the vehicle, unlike some of the aftermarket rigs that have the filter inside the engine bay, pulling in all that super-heated engine air. If you're thinking that a lot of water is being pulled in through the quarter panel intake, after driving for a while in rainy weather, look to see how dirty that area is. It should have a lot of dirt and rain splatter in the area if it truly is pulling in that much. I've never noticed my small black intake grill being exceptionally dirty. Wider tires that stand outside the front wheel wells might be a small factor, though. I understand that the rear quarter is a high-pressure area that helps increase the airflow into the intake.
theogre DEC 25, 05:30 PM
Rain from top on Fiero V6 air cleaner can be a problem. Yes soft washers and grease should help w/ that.

Just Wet roads or rain isn't only problems the "muffler" reduce or stop the engine breathing water...
You drive on any large or two-way roads right? Then left side of car has to handle Trucks Fogging or anyone slamming you w/ crap water from big puddles or worse.
Think about how many times a truck passes and you can't see even w/ wipers at high speeds... If you drive on Interstate and related in rain this can happen a lot. The engine will try to suck in same and w/o the muffler the air filter will a very short life, more so w/ Fiero V6 filter can. Worse w/ "Holley" and some other scoops. (more in next Quote)

How muffler works...
CLICK FOR FULL SIZE

Pic above link flip to be view as from rear of car.

Nice thing the dirt he had was "white" that shows more then just arrows...
Black Areas in that and other pics are washed cleaner by the "water jet" but rest doesn't get much and no force of water to wash clean.
I think some water will sit to dry unless too much and flow over the small second wall. If you look careful seems have "bathtub ring" where water dried before. Small wall doesn't have a drain hole like big wall. (May look like it does but only how he cut the piece w/ dremel and hacksaw.)

Here's an older cut view that had a clue but missing a few points. Does show some of same patterns of washed areas. Like Front of big wall is cleaner then back.
Fiero Inlet Mods, another look http://www.fiero.nl/forum/A...021104-2-025146.html
From same thread:
quote
jelly2m8 said:
I knocked the water seperator out of my 87 GT once. I did it for the sound, not for any performance gains.

I didn't notice any difference in power either way, but what I did find was this.
Before I go too far, I'll add that the car had a Holley side scoop on it.

I had a heck of a time keeping air filters in it. They were always water damaged, lots of leaves, stones, sticks, cigarette butts ( thats where they went when I flicked them out...;p) even some bird feathers once.

My .02 cents is that a knocked out water seperator + holley side scoop makes for a very short air filter service life.
olejoedad DEC 25, 05:58 PM
I've run over 100,000 miles with Rodney's eliminator, in all kinds of weather with no issues getting the air cleaner wet.

I just must be lucky.
DimeMachine DEC 25, 06:40 PM
Thanks for the input so far.

Sorry I should have been more clear. This is a SC3800 Fiero setup modified to run 11's in the 1/4. This car is a toy - not a daily driver- not even close.

The engine bay gets warm and so I am trying to test a scoop on the side (much bigger than the tiny useless holley) that will actually pull in a fair amount of cool air. For my purposes, I am willing to accept the rain, dirt small birds etc that go with it. I have already managed to operate this way for 7+ years of taping off the existing vent hole anytime I wash the car to prevent the filter from getting wet. I also know how to clean, DRY and lightly re-oil a K&N style filter so as to not contaminate the MAF elements. I monitor my tune and have not noticed any deterioration in the MAF's ability over the years to provide accurate air measurements. This would clearly show up in out of whack fuel trims if there were an issue at part throttle or the wideband showing a crazy mixture at WOT.

Anyhow, Now I am upgrading the cold air intake to flow and look better and want to take the time to try to also get some additional cool air flowing into this area to make sure the area in front of the drivers side wheel well liner is cool and may also help the hot engine bay air rise out of the vent better. Air testing I have done shows it does rise out of the vent but it could move with more of a sense of urgency and take more heat with it as far as I am concerned.

Again, this is not a daily driver. I would not send my wife out with this car to drive from MN to California (without duct taping the air intake vent hole over). It is strictly a toy and I have a small roll of duct tape ready should I be caught in a down pour.

Anyways, anyone know of a decent side scoop currently in production for this purpose - or do I have to make something?

Thanks in adance for any suggestions.

Dime

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84/87 NB, 3800SC, E-85, VS Cam, 2.8 Pulley, 4T65E-HD, HP Tuners, AEM Wideband, Regal GS Gauges, S-10 Brake Booster. 1/4 mile -11.85 at 114mph

IMSA GT DEC 25, 07:09 PM
Use a racing brake duct intake with 3" tubing. You can also install the dual intake version with 1 pipe going to the intake and the other pointing at an area to be cooled.

[This message has been edited by IMSA GT (edited 12-25-2020).]

La fiera DEC 25, 08:13 PM

quote
Originally posted by DimeMachine:

Looking to get a little more air flowing in thru the driver side stock intake vent area to lower the air intake temp of my 3800 air intake.

Anyone know of any that are currently available?

Thanks and Happy Holidays!

Dime




As long as you have your rear deck lid it'll be impossible to meet your goals. Get another deck lid and cut off the part that covers the engine.
You can use it when at the track only. The theory behind it is simple. Heat goes up, so if you eliminate that part the heat has a way to scape without restriction thus eliminating heat soak. Your advantage is that you are using E85, a super cooler fuel. Bleed some heat off the engine compartment and the E85 will do the rest.

Rei
olejoedad DEC 25, 08:19 PM
Where is your air filter now located?
IMSA GT DEC 25, 08:19 PM

quote
Originally posted by La fiera:


As long as you have your rear deck lid it'll be impossible to meet your goals. Get another deck lid and cut off the part that covers the engine.
You can use it when at the track only. The theory behind it is simple. Heat goes up, so if you eliminate that part the heat has a way to scape without restriction thus eliminating heat soak. Your advantage is that you are using E85, a super cooler fuel. Bleed some heat off the engine compartment and the E85 will do the rest.

Rei



I actually did that and incorporated an engine vent from an 84 into the decklid.

[This message has been edited by IMSA GT (edited 12-25-2020).]