1971 429 CJ manual transmission in my area.

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Fabrice

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I never heard of any F code Mach 1 non 71.  A H650DP on a 429CJ? Poor thing been on a severe diet... 
Other than that, it's a nice looking car, but aren't they all :)

 
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I never heard of any F code Mach 1 non 71.  A H650DP on a 429CJ? Poor thing been on a severe diet... 
Other than that, it's a nice looking car, but aren't they all :)
???  F code for any 71-3 is a 302-2V (2 venturi, aka barrel - NOT VALVE)

For 71 only C and J were 429's.

On first look radiator shroud VERY incorrect for any 71-3 Mustang.

Ray

 

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Perhaps I am simply unaware but in the next to last pic it looks like the frame rails are not attached very well to the floor? Seems like if that is a factory install it lacks structural integrity 

 

Hemikiller

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Perhaps I am simply unaware but in the next to last pic it looks like the frame rails are not attached very well to the floor? Seems like if that is a factory install it lacks structural integrity 
Agreed, wouldn't be the first time the factory welding wasn't up to par. Might also be previous accident damage that popped the spotwelds. 

 
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