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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old 04-06-2013, 01:35 PM
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Headers, F250 HD 351W

My son has a 96 F250 with the 351W engine. We have been looking at headers for this truck. All the ones we can find have the fittings for the O2 sensor and the EGR tube. What they don't have is fittings for the air injection located at the back of the engine on the exhaust manifolds. I was thinking we could fab up tubing so this will still work. Either dump it into the collector or the closest header tube. Has anyone put headers on this style of truck and how did you address the air injection? Thanks
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Old 04-06-2013, 05:30 PM
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I put hooker headers on my 91, they had no ports for any sensors or anything and the truck runs phenomenal, probably doesn't help but if you can't find anything else it's worth a shot
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Old 04-07-2013, 01:45 AM
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If you don't have emissions test, you can do away with all of that stuff. My 89 doesn't have any of that stuff anymore and runs fine.

Anyway, I'm fairly sure that you can just let those tubes pump and not plug them in. I don't think they really matter. If there is a better solution somebody will know I'm sure.
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Old 04-07-2013, 09:37 AM
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If you're doing away with the stock cat then the whole air injection system serves no purpose so you may as well remove it. The TAB and TAD solenoids must remain electrically connected with vacuum sources plugged, and the air pump itself can remain as an idler so you don't need a shorter belt.
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Old 04-07-2013, 10:35 AM
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It does have to pass emmissions. My son has a Magnaflow cat he swaps on for that test. Rest of the time he runs a 3" Magnaflow muffler.
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Old 04-07-2013, 11:26 AM
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Quote:
Originally Posted by V10man View Post
It does have to pass emmissions. My son has a Magnaflow cat he swaps on for that test. Rest of the time he runs a 3" Magnaflow muffler.
Your smog is the same as Cali so you will have to either locate headers with the required ports or stick with the stock manifolds. Unfortunately, unless you want to swap exhaust systems for smog, there are no workarounds.

*edit* Found these: Flowtech Part #: 91668-1FLT Shorty Smog Headers. Sounds like this is the ticket.

Ray
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Last edited by raystankewitz; 04-07-2013 at 11:37 AM. Reason: Added header info.
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Old 04-07-2013, 02:40 PM
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Those dont have the air injection port either.
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Old 04-07-2013, 04:34 PM
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http://www.summitracing.com/parts/jb...-250/year/1996

These claim to work with air injection. But they are ridiculously expensive. like more than $800
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-1989 F250 (RCLB) 4x4, 4speed NP435 tranny, SAS D44HD, 351w, 3.55 (L/S front and rear), F250/350 Hybrid Suspension, Pacesetter Shorty Headers, into 3" Summit Racing Street and Strip Mufflers, 235/85R16 Uniroyal Liberators.
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Old 04-07-2013, 04:34 PM
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