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Upgrades and Aftermarket - 99 & up 7.3L Engine Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 03-26-2008, 11:51 AM   #1 (permalink)
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What cold air intake should i buy

I have a 2002 7.3 F 350 4x4 crew cab dually. I want to put a good cold air intake on it. What is the best or which one are good thanks for the help
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Old 03-26-2008, 12:17 PM   #2 (permalink)
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Amsoil Air filter

I have posted this before. Amsoil air filter is cleanable with air and it service life is 100k or 4 years.
One picture is with out the pre-filter
Bill
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What cold air intake should i buy-compressed-new-air-pre-filter-finished-eaau4091.jpg   What cold air intake should i buy-compressed-air-box-mod-009.jpg  
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Old 03-26-2008, 12:26 PM   #3 (permalink)
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AFE Stage II
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Old 03-26-2008, 12:28 PM   #4 (permalink)
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What is the best ...
a

Depends on how you use the truck.

If it is a typical towing machine with a mild hot rodding or a stock engine, then best is the Ford Air Induction system (AIS). You can get it from Powerstrokeshop.com - PSD and Ford Superduty Parts for a hair over $200.

If your truck is a race-winning hot rod, or will be, then you want the aFe Stage II with ProGuard7 filter. About $500 from most sponsors of ThedieselStop, including Mark Craig at Diesel Performance Parts - Home .
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My Sierra Blanca in the sig pic was a great pickup for 11.5 years. I sold it a coupla years ago. I drove a hand-me-down 2003 F-150 SuperCrew 4.6L 2V for a while, but it was unacceptable for towing more than a rowboat. Replacement is a 2012 F-150 EcoBoost SuperCrew Lariat that tows my 5,000-pound TT like a dream.

Last edited by SmokeyWren; 03-26-2008 at 04:19 PM. Reason: fix dumb typo
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Old 03-26-2008, 02:39 PM   #5 (permalink)
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Quote:
Originally Posted by SmokeyWren View Post
a

Depends on how you use the truck.

If it is a typical towing machine with a mild hot rodding or a stock engine, then best is the Ford Air Induction system (AIS). You can get it from www.powerstrokeparts.com for a hair over $200.

If your truck is a race-winning hot rod, or will be, then you want the aFe Stage II with ProGuard7 filter. About $500 from most sponsors of ThedieselStop, including Mark Craig at Diesel Performance Parts - Home .
Exactly...I could not say it any better
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Old 03-26-2008, 03:13 PM   #6 (permalink)
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I believe you mean Powerstrokeshop.com - PSD and Ford Superduty Parts

My AIS arrived today
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Old 03-26-2008, 04:25 PM   #7 (permalink)
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I believe you mean Powerstrokeshop.com - ...
I believe you're right.

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Old 03-26-2008, 06:40 PM   #8 (permalink)
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Quote:
Originally Posted by SmokeyWren View Post
a

Depends on how you use the truck.

If it is a typical towing machine with a mild hot rodding or a stock engine, then best is the Ford Air Induction system (AIS). You can get it from Powerstrokeshop.com - PSD and Ford Superduty Parts for a hair over $200.

If your truck is a race-winning hot rod, or will be, then you want the aFe Stage II with ProGuard7 filter. About $500 from most sponsors of ThedieselStop, including Mark Craig at Diesel Performance Parts - Home .
How much HP can an AIS handle. The reason I ask is because I have one with the fender sleeve and zoodad. But every time I go WOT, it sucks the filter minder down to 50%. Is the filter minder a good gauge to go off of? How do I know if the AIS is flowing enough?? I am at about 340 RWHP. BTW, I am using the filter minder off of the stock box.
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Old 03-26-2008, 06:46 PM   #9 (permalink)
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try removing the snorkel temporarily and see if the minder is pulling down. If it is then maybe it is too restrictive. Or maybe the filter is dirty.....................
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Old 03-26-2008, 07:04 PM   #10 (permalink)
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DIY Tymar, less than $50 and does the same thing all the others do
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Old 03-26-2008, 07:18 PM   #11 (permalink)
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How much HP can an AIS handle. The reason I ask is because I have one with the fender sleeve and zoodad. But every time I go WOT, it sucks the filter minder down to 50%. Is the filter minder a good gauge to go off of? How do I know if the AIS is flowing enough?? I am at about 340 RWHP. BTW, I am using the filter minder off of the stock box.
I was having the same thing happen with both mods thats why i made my own and I installed the filter minder to make sure I did fix the problem. That problem has been solved. Here is a the link
Bill
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Amsoil ATF Transmission & Transfer case, Amsoil 75w-140 fluid front & rear end , Amsoils Antifreeze, Transmission Magnefine filter, 4" Turbo Back Exhaust
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Old 03-26-2008, 08:13 PM   #12 (permalink)
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I have a 2002 7.3 F 350 4x4 crew cab dually. I want to put a good cold air intake on it. What is the best or which one are good thanks for the help
That fancy and pricey AFE Stage II drops the temp at the manifold by a whopping 8 when motoring down the road. Is that worth the difference between that and the Tymar (DIY or real tymar)?
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Old 03-27-2008, 12:46 AM   #13 (permalink)
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Has anyone put an S&B intake on. It is supposed to be just as good as AFE II with the pg-7.
S&B Filters
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Old 03-27-2008, 02:37 PM   #14 (permalink)
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OK Now you all have me worried. Are the K&N's that bad? I have a FIPK kit on my 02 and was wondering how bad is this thing really hurting my PSD. Let me ask this - Can I keep the intake kit and replace the filter with a AMsoil? I looked and they have a replacment element for the K&N that is used.

Thoughts?
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Old 03-27-2008, 02:56 PM   #15 (permalink)
 
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I think the best value around is the new S&B intake kit with the grill snorkel. It flows 50% better than the stock unit and still has a 99.47% efficiency rating. Here is a link with more info.

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