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03-06-2008, 11:45 PM
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#1 | | Senior Member
Join Date: Jun 2006 Location: NC johnston co
Posts: 373
Car: 1988 IROC-Z Engine: 350 TPI Transmission: 700r4 Axle/Gears: 2.77 posi stock | Hawks air boxes worth it??
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headers,custom y-pipe,3in flowmaster exhaust system,k&ns,air foil,free mods,mustang 24lb injectors,160 temp,smog delete,Kyb struts/shocks |
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03-06-2008, 11:54 PM
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#2 | | Senior Member
Join Date: Sep 2005 Location: Osceola Indiana
Posts: 1,582
Car: 92 RS(sold) 1989 IROC-Z Engine: 350 TPI Transmission: 700R4 Axle/Gears: ones that turn | Re: Hawks air boxes worth it?? hmm very interesting i doubt that much of a gain though |
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03-07-2008, 03:45 PM
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#3 | | Senior Member
Join Date: Jun 2006 Location: NC johnston co
Posts: 373
Car: 1988 IROC-Z Engine: 350 TPI Transmission: 700r4 Axle/Gears: 2.77 posi stock | Re: Hawks air boxes worth it?? anybody? |
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03-07-2008, 04:27 PM
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#4 | | Senior Member
Join Date: Apr 2004 Location: Prescott Valley AZ
Posts: 466
Car: 87 Iroc Showcar - Saturday Nite Hunter Engine: 383 4-Bolt Truck Hyd Roller MiniRam 10.8 Comp AFR 195s Massaged AFR HYDRA Rev 6''Rods Full Forged Bottom 502/505 HP-Torque Dynoed 200-300 NO2 next. Transmission: B&M 700R4 Axle/Gears: BW 9 Bolt-TA Cover & Stud Kit - 3.27 Short Lifespan Anticipated. | Re: Hawks air boxes worth it?? Hi,
My take on that is a good bird catcher without screens.
Also good water scoop in the rain once your done making the mods to noise and water baffles below your filters
I cut out lower boxes baffles, removed fogs and screened
for debris,rocks,birds,antelope, ect to protect expensive
radiator, No ac.
These cars also get some cooling from factory inlets so keep that in mind. Also have B&M AT cooler sitting behind
one of the inlets which really helps.
As to the HP and Torque gain, doubt it
JMHO
Later |
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03-07-2008, 05:22 PM
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#5 | | Senior Member
Join Date: Mar 2003 Location: Philadelphia
Posts: 745
Car: 1988 M/C - 1989 Formy - 1986 Z28 Engine: 406 - 305TPI - 355HSR Transmission: TH350 - T5 - TH350 Axle/Gears: 4.10 - 2.73 - 3.27 | Re: Hawks air boxes worth it?? They are the old random technology air boxes, I've been looking for these. I love their horsepower ratings though. The only way these boxes have an effect is at speed, standing still on a dyno I can't imagine they do much... I may be wrong though.
-Jim |
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03-07-2008, 09:56 PM
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#6 | | Senior Member
Join Date: Jul 1999 Location: Monroe, Mich.
Posts: 1,781
Car: '87 IROCZ Engine: 395 ZZ4 Transmission: ProBuilt 700R4 | Re: Hawks air boxes worth it?? Well, I have a question for you. ---- How can it NOT help?
As the one said above, no gain on the dyno, but there will be a gain at the dragstrip. Anytime you bring in cold air to the intake, you got to have a gain.
I have run a similar one for 10 years, never had an issue with birds, rain, or whatever. |
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03-08-2008, 01:02 AM
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#7 | | Senior Member
Join Date: Jun 2006 Location: NC johnston co
Posts: 373
Car: 1988 IROC-Z Engine: 350 TPI Transmission: 700r4 Axle/Gears: 2.77 posi stock | Re: Hawks air boxes worth it?? Quote:
Originally Posted by doc Well, I have a question for you. ---- How can it NOT help?
As the one said above, no gain on the dyno, but there will be a gain at the dragstrip. Anytime you bring in cold air to the intake, you got to have a gain.
I have run a similar one for 10 years, never had an issue with birds, rain, or whatever. |
i know it would help some but im just asking is it worth buying.. |
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03-08-2008, 01:10 AM
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#8 | | Senior Member
Join Date: Sep 2003 Location: pittsburgh, Pa
Posts: 9,015
Car: 89 Iroc-z Engine: Stealth Ram 383 Transmission: Beefed 700R-4 Axle/Gears: 4th gen 10 bolt 3.42's | Re: Hawks air boxes worth it?? it WILL help at speed and such, even alittle at no speed
but i dont feel its worth 100 bucks. you can do the same thing for much much less using dryer ducting and dremel tool to cut your stock air boxes out.
I did this to my car and it works great. dont drive in the rain too much but i have, and had no problems yet. Filters may get alittle damp in lots of rain and driving close behind cars where the mist gets kicked up. It DOES suck up alot of dirt and bugs so your gonna run thru air filters alot. Get K&N cleanable filters. Its worth it. |
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03-08-2008, 01:36 AM
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#9 | | Senior Member
Join Date: Aug 2005 Location: Ohio, near columbus
Posts: 894
Car: 89 iroc-z Engine: 305tpi Transmission: wc-t5 Axle/Gears: 10 bolt 3.08 posi (4 now) | Re: Hawks air boxes worth it?? Quote:
Originally Posted by Orr89RocZ it WILL help at speed and such, even alittle at no speed
but i dont feel its worth 100 bucks. you can do the same thing for much much less using dryer ducting and dremel tool to cut your stock air boxes out.
I did this to my car and it works great. dont drive in the rain too much but i have, and had no problems yet. Filters may get alittle damp in lots of rain and driving close behind cars where the mist gets kicked up. It DOES suck up alot of dirt and bugs so your gonna run thru air filters alot. Get K&N cleanable filters. Its worth it. |
how do you seal up the dryer ducting to the fog light holes? same as to how did u seal yours to the cut out factory air box?
i still want to pretty much mimic this setup except put a heavy duty screen b4 the filter just so i dont have 2 clean them as much. k&n recharger kits rnt cheap.
also does the dryer venting make alot of noise? Is it just astraight run from filter to fog light hole or do you have to offset it somewhere so it lines up? if this is misleading what im asking is are the filters actually a directly straight up and down run to the fog lights? if i had to guess i'd sya the ducting would have to be kicked out somewhere a couple inches on each side so it lines up with the fog light holes but, thats going off memory.
Last edited by flaming-ford : 03-08-2008 at 01:41 AM.
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03-08-2008, 01:42 AM
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#10 | | Senior Member
Join Date: Sep 2003 Location: pittsburgh, Pa
Posts: 9,015
Car: 89 Iroc-z Engine: Stealth Ram 383 Transmission: Beefed 700R-4 Axle/Gears: 4th gen 10 bolt 3.42's | Re: Hawks air boxes worth it?? thats the only problem its not a perfect seal. I cut the tube of ducting down the middle to make it a U shape to slide it in. Then i tucked it around the air box and the factory plastic tubes that come out of my fog light area.
see pic for better look. You can see how i connected the factory air flow boxes that are behind the fog lights to the actual filter box.
Aint the prettiest i guess, but gets air to the filter for sure. The amount of stuff it sucks in is insane and you can hear it at idle just sucking up like a vacuum cleaner  The 383 should really make that car eat up the road literally.
But its strong and doesnt move around even at 120mph  its in there good |
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03-08-2008, 01:52 AM
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#11 | | Senior Member
Join Date: Jun 2006 Location: NC johnston co
Posts: 373
Car: 1988 IROC-Z Engine: 350 TPI Transmission: 700r4 Axle/Gears: 2.77 posi stock | Re: Hawks air boxes worth it?? yeah k&ns is worth it thats why i already have them  lol.umm idk might buy hawks box since it will gain hp ever lil bits helps. but the ss hood is coming first lol |
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03-08-2008, 10:16 AM
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#12 | | Senior Member
Join Date: Aug 2005 Location: Ohio, near columbus
Posts: 894
Car: 89 iroc-z Engine: 305tpi Transmission: wc-t5 Axle/Gears: 10 bolt 3.08 posi (4 now) | Re: Hawks air boxes worth it?? [quote=Orr89RocZ;3669196]thats the only problem its not a perfect seal. I cut the tube of ducting down the middle to make it a U shape to slide it in. Then i tucked it around the air box and the factory plastic tubes that come out of my fog light area.
i wonder if you could use a square dryer ducting where it connects and tape it tight then cut four slits in the round dryer tube and slide it over the square end, tape it together then do just as you did at the bottom to have a full seal.
how exactly did you connect the tops and bottoms do u have any different pics? i plan to run my car out to 150mph just once after my future mods just so i can say i've done so and i've already had louvers fly off from 100+ so im not in the mood to lose anything else at speed including hoods and such haha.
see pic for better look. You can see how i connected the factory air flow boxes that are behind the fog lights to the actual filter box.
Aint the prettiest i guess, but gets air to the filter for sure. The amount of stuff it sucks in is insane and you can hear it at idle just sucking up like a vacuum cleaner  The 383 should really make that car eat up the road literally.
well you also can barely see it anyways so who cares......... I think it would have to flow even a good bit better just at idle then the factory box since it has just a couple slits cut out..... removing the bottom would have to help i'd expect.
But its strong and doesnt move around even at 120mph  its in there good
now thats some important info! |
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03-08-2008, 12:35 PM
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#13 | | Senior Member
Join Date: May 2000 Location: Glenolden,Pa. U.S.A.
Posts: 588
Car: 89 IROC Engine: 350 HSR Transmission: modified 700R4 Axle/Gears: 3.42 | Re: Hawks air boxes worth it?? I had the Hawks boxes on my 86 IROC and I doubt it helped as much as they say.It was cool to hear the air being sucked in and being able to stick your hand in from the top and have it come out where the fog lights were.
__________________ 86 IROC R.I.P. 02/04/07 Over 20 yrs of enjoyment... reborn as an 89 IROC with upgrades like HSR,XR282 cam,AFR 190 heads,Random Tech cat-back etc |
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03-08-2008, 02:15 PM
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#14 | | Senior Member
Join Date: Sep 2003 Location: pittsburgh, Pa
Posts: 9,015
Car: 89 Iroc-z Engine: Stealth Ram 383 Transmission: Beefed 700R-4 Axle/Gears: 4th gen 10 bolt 3.42's | Re: Hawks air boxes worth it?? I think i'm gonna make my own hawks boxes. Like i said, i just put this cut dryer ducting in the area between the fog lights and filter box. I dont have anything holding it in place or attaching it to each side. It just sits snug in there since you can fold/flex the ducting around to hold up snug against the walls of the air box.
other pics
click to enlarge
You probly could get a square hard tubing to work. I wanna fab my own sheetmetal ones like the hawks. But i'm not worried about a perfect seal, it will get plenty of air. And plus with this mod, your cutting off air flow to the radiator, so its harder to keep cool |
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03-08-2008, 04:15 PM
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#15 | | Senior Member
Join Date: Jan 2008 Location: Moscow Mills, Missouri
Posts: 272
Car: Pontiacs, Jeeps | Re: Hawks air boxes worth it?? For a hundred bucks its worth it in looks alone over dryer ducting. But I prefer to keep a more finished look to my cars. Sorry to those who have it but its just my  . Then again, I dont have a Camaro so do what you want. |
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03-08-2008, 06:28 PM
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#16 | | Senior Member
Join Date: Sep 2003 Location: pittsburgh, Pa
Posts: 9,015
Car: 89 Iroc-z Engine: Stealth Ram 383 Transmission: Beefed 700R-4 Axle/Gears: 4th gen 10 bolt 3.42's | Re: Hawks air boxes worth it?? noone sees the dryer ducting so its all good in my book. I agree its cheap looking cuz it really isnt expensive  but it gets the job done |
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03-08-2008, 07:19 PM
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#17 | | Senior Member
Join Date: Oct 2004 Location: Worcester, MA
Posts: 3,361
Car: 86 T/A Engine: HSR 355 Transmission: 700R4 Axle/Gears: 2.77 posi | Re: Hawks air boxes worth it?? Dryer duct- ribbed for your turbulence. |
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03-08-2008, 09:09 PM
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#18 | | Senior Member
Join Date: Sep 2003 Location: pittsburgh, Pa
Posts: 9,015
Car: 89 Iroc-z Engine: Stealth Ram 383 Transmission: Beefed 700R-4 Axle/Gears: 4th gen 10 bolt 3.42's | Re: Hawks air boxes worth it?? perfectly smooth or alittle rippled isnt gonna make much difference on flow for these intakes.. Your still getting more than enough air than you need and definately more airflow than the stock air boxes allow |
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03-18-2008, 09:36 PM
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#19 | | Junior Member
Join Date: Feb 2008 Location: Fort Myers, Fla
Posts: 16
Car: 85 Iroc Z-28 Engine: 5.0 LB9 Transmission: monster transmission 700R4 Axle/Gears: Stock | Re: Hawks air boxes worth it?? the boxes are worth it.. i have a custom made set quite like hawks and you can tell the power increase towards 50-60 mph..i also live in florida where as you might know rains alot!! i have 2 K&N's and no screen in front.. water is not an issue unless you plan on driving into something at least 8 in deep! screens are a good idea..helps keep little debris out of the filters..less cleaning!
ducting? come on guys you cant think of anything better than that..that looks like it should be on a FORD!
---------- http://www.flickr.com/photos/24427198@N07/ take a look..
Last edited by southern_iroc85 : 03-18-2008 at 09:38 PM.
Reason: Automerged Doublepost
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03-18-2008, 10:13 PM
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#20 | | Senior Member
Join Date: Oct 2006 Location: West of Toronto
Posts: 1,221
Car: 89 IROC Engine: Not so slow 305 Transmission: One that shifts...hard Axle/Gears: 3.42....Auburn | Re: Hawks air boxes worth it?? Quote:
Originally Posted by Orr89RocZ noone sees the dryer ducting so its all good in my book. I agree its cheap looking cuz it really isnt expensive  but it gets the job done |  Why pay more for the same effect?? Especially if it's not going to be seen...................just my 2c |
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03-19-2008, 08:55 PM
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#21 | | Junior Member
Join Date: Feb 2008 Location: Fort Myers, Fla
Posts: 16
Car: 85 Iroc Z-28 Engine: 5.0 LB9 Transmission: monster transmission 700R4 Axle/Gears: Stock | Re: Hawks air boxes worth it?? i donno about you guys but i have pride in my cars looks and performance..so the looks of the performance parts i deal with too...just look ghetto rigged ..sry but hey its your car |
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03-24-2008, 01:31 PM
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#22 | | Senior Member
Join Date: Aug 2005 Location: md,ss
Posts: 956
Car: iroc Engine: 5.7 350 Transmission: auto | Re: Hawks air boxes worth it?? On hawks web site they say that it has to be modded to fit...My question is what has to be modded? I wouldn't mind buying it but I would like to know what has to be done for it to fit.....btw I have an 87 tpi 350.... |
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03-25-2008, 10:14 PM
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#23 | | Junior Member
Join Date: Feb 2008 Location: Fort Myers, Fla
Posts: 16
Car: 85 Iroc Z-28 Engine: 5.0 LB9 Transmission: monster transmission 700R4 Axle/Gears: Stock | Re: Hawks air boxes worth it?? you just have to cut the bottom end off of both sides of the air box. the ram boxes should be predrilled and come with some hardware like tapcons. pretty easy..15-20 min max |
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03-25-2008, 10:26 PM
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#24 | | Senior Member
Join Date: Jan 2007 Location: Newfoundland, Canada
Posts: 554
Car: 1992 Pontiac Firebird Engine: V8 305 Transmission: Automatic Transmission | Re: Hawks air boxes worth it?? Anybody where to find a carb box ram air? |
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04-20-2008, 08:19 PM
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#25 | | Senior Member
Join Date: Jun 2003 Location: Acworth/Marietta, GA
Posts: 749
Car: 88 IROC Engine: 350 TPI Transmission: Pro 5.0 shifted T56 Axle/Gears: 10 bolt 3.73 posi | Re: Hawks air boxes worth it??  i have the hawks boxes on my L98 iroc. they were on the car when i bought it so i cant really comment on the installation but i have driven enough TPIs to feel a difference. its really noticeable on the interstate and ive never had any trouble with rain or debris. id say its worth the $100 |
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04-21-2008, 05:02 AM
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#26 | | Senior Member
Join Date: Dec 2001 Location: Finland
Posts: 251
Car: 1985 Camaro Z-28 Engine: 355 Transmission: th700r4+edge 2800 stall | Re: Hawks air boxes worth it?? At Phr Nov-97 issue has story"Hard rock Camaro".It was Nmca efi class ~340hp racer.They added Random tecnologies cold air package and gained 1.9mph at 1/4miles strip. |
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04-22-2008, 06:46 AM
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#27 | | | | | |