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Smaller Or Bigger Filter?
Topic Started: Dec 10 2011, 08:32 PM (314 Views)
Illusion's
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What do you guys Prefer When Running a cold air intake system. A bigger air filter on the end or a smaller one. I'm thinking a smaller one would cause less power and air to the engine. Would a bigger size one be too much??
Clean 305.
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charged355
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Nythirdgen Founder
My god, someone please, hit me with something
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Custom Forged 355 / Solid roller cam/valvetrain / Victor Jr heads / Hurricane Intake/ Accufab 1250cfm Throttle body / MegaSquirt 3 Engine Managment/ 1000cc SouthBay Injectors/ 7.6:1 CR / 4" Custom Single Exhaust / 4000 Circle D Stall/ CK Performance Billet 4L80 FMVB Trans Brake / 3" Chromoly Driveshaft / Full UMI Tubular Rear Suspension / Moser/Strange 9" / 4:11 gears Detroit Locker / Sumped LS1 gas tank / A1000 Fuel pump / A1000 FPR / Paxton Fuel filter / -10 Fuel line -8 return / Borg Warner S475 Turbo @10psi/ JGS 50mm WG & 56mm BOV / PA Racing Complete Tubular Front End Kit With Coilovers / Full Autometer Dash / Custom Black Suade Guts / Built by yours truly/ Tuned by George the EFI whiz

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BlackMagic
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Larger filters 90% of the time flow better. Paper filters flow worse than cotton gauze. You cant really have to big of a filter, until it just looks stupid. Your engine only takes what it needs.

Usually you should go by the biggest filter you can fit in the given space. To an extent. K&N is all you need. They are over rated but worth every penny, and have a million mile warranty.

My question what car are you driving that you are concerned with the fractional HP loss between filters of marginally different sizes, or is this pure curiosity. It doesn't make a difference either way on a stock 305. Pretty much any filter you put on your camaro will be able to flow more than your engine requires.
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355, KB pistons, Eagle rods, ARP rod bolts, Ported 882's, bolt in studs/Comp cam/Timing gears. 9.58:1 CR, Victor JR intake port matched, FI Tech fuel injection, MSD Pro Billet, Blaster II and CDI box, Hooker comps to 4" Hawks Sinister Exhaust w/ Hooker Max Flow, Founders tubular LCA/Prothane bushings, LS1 rear brakes, Brembo fronts.
Dropped/Fully Shaved and smoothed exterior and engine bay/VPA door kit/Viper red RN/C5 wagon wheels
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JekyllandHyde
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SENSEI
charged355
Dec 10 2011, 08:50 PM
My god, someone please, hit me with something
RIP Common sense. :doh:

Lets think about this a second. Imagine a small diameter pipe filling a bucket with . water. Now imagine another pipe that's bigger filing another bucket of water at the same time. Which one do you think will get the job done faster?

Point of the story in case you missed it... Find and run the largest filter you can fit.
Currently looking for a 91-92 Z28, TTA or GN
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TPI-Formula350-
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LawrenceRacingEngines385
http://www.knfilters.com/filter_facts.htm#SELECT

go nuts.
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1989 Formula 350....4 Bolt 385, 11:1 CR, Brodix 200IK heads,Comp 280 XFI Roller Cam(230/236 .576/.571 LSA113) Double roller timing chain, Comp Beehive springs, Comp Magnum roller lifters, Comp Magnum push rods,Comp 1:6 Full Roller Rockers, CP forged pistons,Eagle forged rods,Eagle 4340 forged crank,Custom CAI,TB bypass,Holley 52mm Throttle Body,Holley AFPR,Lingenfelter SuperRam,Edelbrock high-flo intake,30lb.FMS red top injectors, Holley 255LPH Fuel pump,Comp,Ceramic coated SLP 1 3/4" Headers,Electric Cut Out,Banks Stinger 3" Catback,1LE smog/ac delete pullies, 160* thermo,Moates GP1,Hughes 4300 stall,shift kit,LS1 aluminum Drive shaft, Nitro 3:70 gears,MSD 6AL,MSD blaster coil,Power Master Alternator,PowerMaster Mini Starter/Alternator,March underdrive pullies,SouthSide Machine subframe,Hothchkis 1" drop springs, Hotchkis STB, TDS Wonder bar, Founders Camber/Caster plates, Founders adjustable LCAs, Founders adjustable Panhard bar, UMI A-arms, UMI adjustable torque arm/ Cross member with DS loop, UMI LCARBs, LS1 front 1LE rear brakes, Black mesh TA rims,Mickey Thompson drag radials, 91/92 nose,cowl hood,fiberglass areo wing.467FWHP-517FWTQ. 3252lbs. Tuned by gp90gta
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black83zee
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An important point is: a smaller filter means less surface area. This means the filter will fill up and clog sooner than a larger filter. Another "bigger is better"!
Edited by black83zee, Dec 11 2011, 07:32 AM.
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350, carb, headers, side exhaust, T-5, aluminum ds, Baer discs, Bilsteins, tubular a-arms,
tubular torque arm, adjustable track bar and control arms.



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SeriousGearhead
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EKG
What you should really be concerned with is the color of the filter. Red adds more horsepower than blue.
1-8-4-3-6-5-7-2

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19transam86
Like a G6
SeriousGearhead
Dec 11 2011, 10:23 AM
What you should really be concerned with is the color of the filter. Red adds more horsepower than blue.
oh good thing i went with red then!
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1986 Pontiac Trans Am, 305, 5-spd, 17" ZO6 Wheels
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Deluca119
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I give up !!
...why is this asked in the body forum?

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firechicken269
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89 Formula 350
Deluca119
Dec 11 2011, 11:31 AM
...why is this asked in the body forum?
:lmao: the icing on the cake...
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1989 Formula 350, 5.7 TPI, T-5, WS6 suspension, 3:23 posi rear, disc brakes, T-Tops, Holley 52mm TB, Ported Upper Plenum, SLP Siamese Runners, 24# Injectors, G92 Exhaust option, Custom Chip(By gp90gta). car definitely wouldnt be what it is today without alot of help from all my friends here... thanks guys
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Illusion's
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charged355
Dec 10 2011, 08:50 PM
My god, someone please, hit me with something
A brick??
SeriousGearhead
Dec 11 2011, 10:23 AM
What you should really be concerned with is the color of the filter. Red adds more horsepower than blue.
You got it wrong. I need a couple of those air cyclones inside there and a couple magnets on my fuel lines..... Red Means Warm air and blue means cool. Only if they had a green filter.... I'm only kidding. I just wanted to know if it would have a better flow difference.

Should I just go Open Element? I really don't care if it sucks in a little of the engine heat.
Edited by Illusion's, Dec 11 2011, 12:50 PM.
Clean 305.
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firechicken269
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89 Formula 350
itll suck in heat from the motor regardless. pulling the filter off will increase performance for a few minutes but asa you drive over a patch of dirt you can say goodbye to your motor. ever try vacuuming a sandbox?
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1989 Formula 350, 5.7 TPI, T-5, WS6 suspension, 3:23 posi rear, disc brakes, T-Tops, Holley 52mm TB, Ported Upper Plenum, SLP Siamese Runners, 24# Injectors, G92 Exhaust option, Custom Chip(By gp90gta). car definitely wouldnt be what it is today without alot of help from all my friends here... thanks guys
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Illusion's
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that's why i said should i go open element with the air filter?? As in the 14 inch circle bowl one with the filter.
Clean 305.
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YoungMoneyVII
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firechicken269
Dec 11 2011, 11:41 AM
Deluca119
Dec 11 2011, 11:31 AM
...why is this asked in the body forum?
:lmao: the icing on the cake...
:lmao:
Posted ImagePosted Image

1988 5.7L Trans Am GTA
700R4 Overdrive
WS6
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K28
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ANTI-D.A.R.E
... TOO much fail in here
1992 CAMARO Z28 305 TPI bone stock for now
2010 Jeep Grand Cherokee Larado
:irochp: SOLD-1987 CAMARO LT 305 EX DARE CAR-SOLD :irochp:
1996 T-bird R.I.P.

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BlackMagic
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What car is this for, do you not already have open element? I see it in your user pic.
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355, KB pistons, Eagle rods, ARP rod bolts, Ported 882's, bolt in studs/Comp cam/Timing gears. 9.58:1 CR, Victor JR intake port matched, FI Tech fuel injection, MSD Pro Billet, Blaster II and CDI box, Hooker comps to 4" Hawks Sinister Exhaust w/ Hooker Max Flow, Founders tubular LCA/Prothane bushings, LS1 rear brakes, Brembo fronts.
Dropped/Fully Shaved and smoothed exterior and engine bay/VPA door kit/Viper red RN/C5 wagon wheels
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SeriousGearhead
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EKG
Grab yourself a carb hat, some Spectre tubing from Autozone (PVC pipe has proved effective as well, also cheaper) then route the piping down through the driver's side where the charcoal canister is. Install whatever filter will fit in that small space and bam! Instant cold air intake good for a 5% HP increase. The chromed Spectre tubing looks a lot nicer than the PVC pipe, but with a good coat of gloss black paint the PVC can look nice too.

Here ya go bud, a few links for you to kill some time with.

http://www.autozone.com/autozone/accessories/Performance/Intake-Tube/_/N-25n3

http://www.autozone.com/autozone/accessories/Performance/Intake-Coupler/_/N-2615

http://www.autozone.com/autozone/accessories/Performance/Air-Duct-Hose/_/N-25h5

http://www.autozone.com/autozone/accessories/K-N-Universal-air-cleaner-with-1-938-in-i-d-20-degree-angled-flange/_/N-26ql?counter=2&itemIdentifier=93460_0_0_


Now, you supply the ingenuity and creativity.
Edited by SeriousGearhead, Dec 12 2011, 06:27 PM.
1-8-4-3-6-5-7-2

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