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:confused: I am starting a street/strip 79 mustang(my first project) with a 351w. the 351 is out of a 79 cougar and has a FMX on it. is the fmx as good as the c4 or c6? would it be good for a street / strip car? would i be better off to junk it and go with a c4 or c6? thanks for any help.
 

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One thing that is tough to find for them are longtube headers that will clear the tranny. My uncle has a 73 vert done up like a Mach I with a 351C/FMX and no manufacturer made headers that would fit. He tried all the ones out there too. Customs were what was recommended to him.
 

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gmsux said:
The fmx is a P.O.S. !
Let me second that one, Get a C-4. I had a FMX in my '72 and rebuilt it every 3-6 weeks over the summer. After about the 8th time I put a C-6 in it.
 
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