07-02-2004, 10:57 AM
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CC Member
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Join Date: Jan 2001
Location: St. Louis, Missouri,
Posts: 110
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Not Ranked
> Can anyone help me decode a Ford intake part# C9OX-9424B
It's an over-the-counter intake from Ford or one of several reproductions
of the same. Does it have large Ford lettering on a pad just behind the
thermostat housing? There were reprodctions with a blank pad, Ford, or
Cobra lettering. There may have even been ones with Cougar lettering.
Check the port width versus height and look for 4 small letters stamped
on the bottom of the intake in one of the corners (back corner on thermostat
side, IIRC). If you find the letters I can tell you if it is real or a
reproduction.
The Shelby S2MS is a similar intake but has several differences. The C90X
is a high rise dual plane with two oval openings in the plenum (where the
carb sits). The S2MS Shelby high rise is also a high rise dual plane but
has 4 circular openings in the plenum.
> I have gotten as far as 69 Torino or Farlane
C90X intakes were never installed by Ford on any production vehicle so they
are not correct for any sort of a restoration.
> This is a small Block intake so I would figure 302 But is this a aftermarket
> ford part or a Factory hot Rod part for a ????Boss 302 ????
It's not a Boss 302 part. Those had large 4V Cleveland ports. The C90X
was part of the old Ford Muscleparts plan to perk up 289 and 302 Windsors.
It was meant to match with a set of '69-'70 351W 4V heads on a 289/302.
The '69-'70 351W 4V heads had somewhat larger ports and valves but also
had large chambers so part of the kit was a set of domed pistons to get
the compression back, along with a solid lifter cam, lifters, and springs.
It's a pretty good intake for street driven 289 or 302, along the lines of
an Edelbrock Performer RPM.
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