header ques. 1994 f250 5.8
Hey guys, need some help
my 351 windsor/5.8 has the stock exhaust manifolds that i want to change over to a pair of shorty headers. the problem i have been having is finding headers that have the threaded bungs on them for my emissions... my driver side header has a threaded pipe that is off the back(next to firewall) passenger side has threaded pipe that turns upwards and has something attached to it ..but all the headers i find dont look like they have these...any help would be great.. |
Where does the fitting on the driver's side lead to? None of my Lightnings or my current '92 F350 w/5.8L engine has any attachments on the driver's side. There is a EGR pipe fitting on the passenger side.
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Does your truck still have a cat or even more important do you have emissions tests to pass? If not then remove the smog plumbing and install the headers you want.
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The pipe on the driverside,turns and goes behind the head and is hooked to something back behind the head and intake
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yes it still has the cat. it also has a smog pump,and no i dont have any emmissions tests where i am. but i dont want to have to take the smog pump off?i would assume my truck has the california emissions.
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I just put the Bassani's on my Bronco. Too soon to tell exactly how much better everything runs or not but I can tell you they bolted in perfectly. Got the new y-pipe from them at the same time. You get what you pay for and installation wise I can say the Bassani set up was worth the money.
Mike |
Originally Posted by daddyhock
(Post 8835671)
yes it still has the cat. it also has a smog pump,and no i dont have any emmissions tests where i am. but i dont want to have to take the smog pump off?i would assume my truck has the california emissions.
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ok, if i take off the smog plumbing and leave the pump,wouldnt there be some kind of noise like pushing air coming from the smog pump?and if the egr is what is out of the passenger side exhaust manifold,all the headers i am seeing does not have a threaded bung for the egr either?
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Originally Posted by daddyhock
(Post 8837599)
ok, if i take off the smog plumbing and leave the pump,wouldnt there be some kind of noise like pushing air coming from the smog pump?
Originally Posted by daddyhock
(Post 8837599)
and if the egr is what is out of the passenger side exhaust manifold,all the headers i am seeing does not have a threaded bung for the egr either?
http://static.summitracing.com/globa...9430-t58_w.jpg |
@conanski those in the picture are exactley what i need,and those are the frrp..but they are 450.00 , i was wanting half as cheap..but if i cant find any cheaper i will go with those..all other pics on summit look like a un threaded tube out the front of the passenger side exhaust header, and they all look to big for my pipe to thread to...but thanks for all the help i think i just might go with the frpp. and my o2 sensor is just a few inches in front of my cat? if that helps
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I believe Conanski has a photo of welding on a threaded bung to screw the O2 sensor into the headers. Pretty cheap fix.
The only things I would say about installing headers is somethimes the more expensive ones fit better. I picked up some inexpensive headers and had to massage (hammer and punch) the exhaust tubes around the nut area for several nuts. I had to put in studs to support some of the misc parts and pieces - ie the dip stick holder, fuel injection support brackets, smog housing... The other thing I took away from this installation was not to bother with ceramic coating as the coating was compromised during the "massage". Pain to clean then paint with high temp. |
Originally Posted by daddyhock
(Post 8838480)
@conanski those in the picture are exactley what i need,and those are the frrp..but they are 450.00 , i was wanting half as cheap..
Painted Flowtech headers are much cheaper but you may want to check with them before buying to find out of the EGR fitting on this is threaded to accept the factory EGR tube.. Flowtech 91668FLT - FlowTech Headers - Overview - SummitRacing.com Pacesetter headers are another brand a few guys have had good luck with.. PaceSetter Performance 70-1323 - PaceSetter Headers - Overview - SummitRacing.com |
smog and headers
I do have California emissions on my 96 f-150 5.8L I was hoping to get info with putting them on and removing the cats completely for better exhaust flow. Do need to have the computer re-flashed or what do you recommend
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Originally Posted by sainsane
(Post 14640198)
I do have California emissions on my 96 f-150 5.8L I was hoping to get info with putting them on and removing the cats completely for better exhaust flow. Do need to have the computer re-flashed or what do you recommend
Please start your own thread instead of tagging onto a 4 year old thread. |
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