Aftermarket Intake vs. Tymar-style - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 37 (permalink) Old 02-21-2009, 03:27 AM Thread Starter
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Aftermarket Intake vs. Tymar-style

I've been having this debate since I had my old regular cab. I can't justify spending upwards of $400 for a filter and sheetmetal with mulitple bends around it for a box. Anyone completed any testing to see if aftermarket intakes are actually better since most claim to not pull hot underhood air vs. the tymar style (with a Baldwin, Napa, Donaldson, etc. filter) which pulls air from anywhere it can get it. I've personally not done any testing whatsoever but I figure with a decent flowing filter and the Zoodad mod, a tymar style setup would work for most of the members here. Just some thoughts.

John

New Truck: '01 F-350, CC, LB, PSD, 4R100, gauges, intake, exhaust, chip SOLD


early '99 F-250, PSD 6-Speed SOLD
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post #2 of 37 (permalink) Old 02-21-2009, 02:58 PM
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Re: Aftermarket Intake vs. Tymar-style

A few people have already done intake air temp testing comparing the Tymar style filters to something like the AFE Stage II. Temp difference at idle was apparent, but once the truck was moving the intake temps were nearly identical between the two setups.

On a personal level I've run both the Tymar style and currently run the AFE Stage II. The only reason I have the AFE is because I got a screaming deal on it. As for differences, swapping intakes did nothing to the performance on my truck. I still ran the exact same times at the track, have the exact same EGT's when driving, towing, or racing, and still have the exact same fuel mileage. What did change is that the shroud around the AFE filter helps to quiet the engine noise in the cab a slight bit, and the setup adds a lot of bling under the hood. Plus the AFE filter is reuseable, where the other is throw away.

So if you really can't justify the price difference, then don't buy the AFE. Lots of trucks run the Tymar style and do just fine.

My 2 cents.

Curtis
2002 F-250 PSD
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post #3 of 37 (permalink) Old 02-21-2009, 03:48 PM
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Re: Aftermarket Intake vs. Tymar-style

I have a tymar and personally I can't wait to get rid of it. The engine noise goes up more that most people let on.

97 F250 CCSB, auto, 4x4, Full Force Stage 1ís, TS 6 position chip with Wildman tunes , Tymar, 3in downpipe into factory exhaust, EGT, Boost and Trans gauges
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post #4 of 37 (permalink) Old 02-21-2009, 08:17 PM Thread Starter
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Re: Aftermarket Intake vs. Tymar-style

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Originally Posted by ashman148 View Post
I have a tymar and personally I can't wait to get rid of it. The engine noise goes up more that most people let on.
Your gonna have engine noise just the same with any open element system. I ran a Tymar style setup w/AFE 5" inlet filter and my father has the Stage II system on his truck. Only difference I could really tell was the whistle because of the hybrid H2E I had. I might be dear but thats just my thoughts.

John

New Truck: '01 F-350, CC, LB, PSD, 4R100, gauges, intake, exhaust, chip SOLD


early '99 F-250, PSD 6-Speed SOLD
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post #5 of 37 (permalink) Old 02-22-2009, 02:17 AM
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Re: Aftermarket Intake vs. Tymar-style

i had a K&M and switched to the 6637. Much better filter with out any power loss. If you do get an outerwear screen to make it last longer and that extra bling if thats whjat you want. I replace mine like every 6 months or so.

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post #6 of 37 (permalink) Old 02-22-2009, 02:59 AM
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Re: Aftermarket Intake vs. Tymar-style

at one time DI had some info on how an afe2 was better on built trucks ...
at the power level 90% of the trucks are at I doubt there is a huge difference. once you get around flow restriction , you have to get cooler denser air to gain performance . these designsmay be an eek better but not sure if eek is even 1% or not.

Early 99 f350 4x4 crew cab, auto. pmt2 pcm
2001 cup holder ,T500, MAX AC ASSIST AC mod, Diy Twin tymar, TS chip, Powerslots & Hawk pads, ford AIC, ..... with big fat want to list.
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post #7 of 37 (permalink) Old 02-22-2009, 03:39 AM
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Re: Aftermarket Intake vs. Tymar-style

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Originally Posted by southmike View Post
at one time DI had some info on how an afe2 was better on built trucks ...
at the power level 90% of the trucks are at I doubt there is a huge difference. once you get around flow restriction , you have to get cooler denser air to gain performance . these designsmay be an eek better but not sure if eek is even 1% or not.
You have to ask yourself, What do I do with this truck??
if you drive around WOT then pretty much any aftermarket filter will work.

Now if you are like the other 99% of the people out there you spend most of your time going from idle to 70 mph or any combination in between, it is there where a well designed air intake will shine it's true colors.
in that scenario the AFE stage II rules hands downs.

and before some of you IDE's post, the filter size itself is not what determines how well an air intake works.

BTW in our testing there was only 1 hp difference between the stage 1 AFE and the stage II AFE, but the AFE stage II is still the hottest selling intake on the market bar none.
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post #8 of 37 (permalink) Old 02-22-2009, 03:49 AM Thread Starter
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Re: Aftermarket Intake vs. Tymar-style

Dave,

Why does the AFE Stage II excel compared to the rest of the aftermarket intakes on the market?

John

New Truck: '01 F-350, CC, LB, PSD, 4R100, gauges, intake, exhaust, chip SOLD


early '99 F-250, PSD 6-Speed SOLD
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post #9 of 37 (permalink) Old 02-22-2009, 04:23 AM
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Re: Aftermarket Intake vs. Tymar-style

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Dave,

Why does the AFE Stage II excel compared to the rest of the aftermarket intakes on the market?

John
a 5-1/2" taper to 4" , taper being the key word.
your basically supercharging the turbo.
A taper will always have a higher velocity than a strait all things being equal.
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post #10 of 37 (permalink) Old 02-22-2009, 05:32 AM
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Re: Aftermarket Intake vs. Tymar-style

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Originally Posted by Powerstroke Racer View Post
and before some of you IDE's post, the filter size itself is not what determines how well an air intake works.
Dang Sooooo bigger isn't always better.......?

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