Looking for headers need help
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Senior User
Joined: Feb 2010
Posts: 131
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Looking for headers need help
I have a 1976 2wd f-100 with a 360 FE or 390 FE engine (not sure but same exhaust) and i am looking for headers
But i have a problem my exhaust ports have 1 per cylinder of course but then in the middle it has two small auxiliary ports and i cant find headers with 5 pipes all the headers ive found for my eninge only has the 4 pipes so i think my two middle ones would be open
But i have a problem my exhaust ports have 1 per cylinder of course but then in the middle it has two small auxiliary ports and i cant find headers with 5 pipes all the headers ive found for my eninge only has the 4 pipes so i think my two middle ones would be open
Senior User
Joined: Apr 2009
Posts: 249
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On my 360 I had in my 77 they never were really operational, those aux ports that is, i always had a 4 tube header set for it.
I have a 390, and I bought some flowtech headers, they sound amazing and give me a tiny bit more power, and if you lay off the throttle, I notice a bit more mileage per gallon as well.
Flowtech 12540 Flowtech Headers
Affordable and amazing in sound, haven't had a problem yet.
Hope you find what you want, but I would definitely recommend those ones I posted the link to.
I have a 390, and I bought some flowtech headers, they sound amazing and give me a tiny bit more power, and if you lay off the throttle, I notice a bit more mileage per gallon as well.
Flowtech 12540 Flowtech Headers
Affordable and amazing in sound, haven't had a problem yet.
Hope you find what you want, but I would definitely recommend those ones I posted the link to.
Senior User
Joined: Apr 2009
Posts: 249
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In my post where you had asked how to make sure you were getting a accurate reading of stroke, I know I didn't cause it swallowed most of the extension I used, then later found out my across the street neighbor/friend had bored & stroked it out to a 401 with 40lbs rings or something like that.
Message me if you need more help, I'll do what I can.
Mountain Pass
Joined: May 2006
Posts: 173
Likes: 2
It sounds like you must have a pair of 361-391 FT big truck heads on your engine. The small "auxillary" ports are actually the exhaust crossover passages, unique to the FT engine. The FT heads have large chambers (low compression), and smaller valves than the regular FE heads that the car and pickup FE engines use.
