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Old Mar 1, 2010 | 08:28 PM
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MonsterTruck\m/'s Avatar
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Question about headers/heads

I have a 391 FT engine, i was wondering if 390 FE headers will fit on a 391 FT head.

My exhaust ports are squares and i think 390 is circles can anyone confirm or deny this?

Also if they would not fit then do they make headers for a 391 FT?

Thanks
 
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Old Mar 1, 2010 | 08:35 PM
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i know the manifolds are way differant, not sure about the headers tho...
 
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Old Mar 1, 2010 | 08:42 PM
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FE engine's exhaust ports are rectangular.

You should be able to use standard FE headers, but you "might" have to elongate the mounting bolt holes in the headers to get the ports and flange to match.

Josh
 
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Old Mar 10, 2010 | 08:52 PM
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could someone with a 390 FE engine post some pictures of there exhaust manifolds? i would really appreciate it
 
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Old Mar 10, 2010 | 09:00 PM
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Originally Posted by MonsterTruck\m/
could someone with a 390 FE engine post some pictures of there exhaust manifolds? i would really appreciate it
http://personal.atl.bellsouth.net/b/...austRight.html

http://personal.atl.bellsouth.net/b/...eftInside.html

http://personal.atl.bellsouth.net/b/..._FE76Both.html

Notice the FT exhaust manifolds have an extra exhaust port.

http://personal.atl.bellsouth.net/b/...61T391Tc1.html

Josh
 
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Old Mar 10, 2010 | 09:15 PM
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THANK YOU SO MUCH!
i finial figured out i got a 390 FE engine cus man manifolds look like the FE ones not the FT
 
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Old Mar 11, 2010 | 02:53 PM
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are the 390FE exhaust manifolds the same as the 360 FE exhaust manifolds?
 
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Old Mar 11, 2010 | 05:54 PM
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Yes they are the same.

Josh
 
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