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Headers that fit
Have a 73 convertible with 351C-4V and a C6. Anyone find headers that fit without modification?
I have Hooker Super Comp headers with 3" collectors in my 71 351 4V with a C6. No problems other than I have an after market extra capacity trans pan that I had to "persuade" a little. Stock trans pan you'd be fine.
Greetings from Phoenix. Also own a 73 Mustang Convert with 351C and swapped in C6. I have run both the hooker comp and hooker super comp with no modifications necessary. With the super comp you could pull the tranny out without removing or loosening the headers from the heads. I am not so sure with the comp headers, they are closer. The super comps are longer and hang down lower.

A write up I did on the differences: http://www.7173mustangs.com/thread-hooke...ght=hooker

73 Convertible - 351C/4V CC heads/4bolt/forged flat tops/comp 270/rhodes/mallory unilite/tri-power/hookers/glasspacks/c6/3.50 limited slip/Gear Vendors/Global West sub frames, strut rods and shelby style traction bars/ Rear sway bar/tilt steering (not original)

Pics of modifications included in:
Have you considered shorty headers? No more ground clearance issues, and you'll be less likely to cook the starter.


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The Hooker Comps fit well without modification. The passenger side collector flange is close to the pan edge. Chuck
I have the Hooker Super Comps on my Mach. When I had the C-6 in it they fit like a glove. Fit even better now that its a 4-speed.

Black 1985 GT
Yellow 1973 Mustang Mach 1
Black 2012 5.0 GT, 6-speed, Brembo brakes, 3.73's
Wimbledon White 1966 F-100 Shortbed Styleside, 390ci, Tremec 3550, FiTech EFI
73 has the different motor mounts. I think I have headmans and had trim the corner of the mount to make clearance. drivers side.

My garage http://www.7173mustangs.com/forum-garage...rxt_uid=40

73 mach 1 351c 4v cc ported, torker2, 750 edelbrock,C6.
73 fastback 351c 2v,performer intake,600 edelbrock,fmx, 325 trac-lok.
Here is a manufacturer that I am looking at for my 390 headers. The FE Forums all say his work is top notch and his headers do not provide any ground clearence issues. Not sure on the Cleveland applications though.


72 Mach 1 H-Code (Concourse driven restoration)
67 S-Code Factory GT with 4-Spd

68 Mercury Cyclone (Pro-Street project)
machman_73;188952 Wrote:73 has the different motor mounts. I think I have headmans and had trim the corner of the mount to make clearance. drivers side.

My original Hooker Super Comp had the same issues on my 73. I didn't realize that the installer had cut and welded my mounts to get them on. I know the Comp headers will go in ok but with the new Super Comp if you raise the motor with a hoist and remove the mounts they will slip right in. Then replace the mounts and lower the motor back down and you don't have to modify the mounts at all.

351C 4V cc heads, 10.5 : 1 CR, 290 Herbert cam, Flat top forged pistons, forged connecting rods, Atomic efi,
C6 with Gear Vendor overdrive, 3.89 Tru Trac, Hooker Super Comp with 2 1/2" Pypes Exhaust.        

Some Mod pictures can be seen at:

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