Classic Mustangs (Tech)Technical discussions about the Mustangs of yester-year.
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I found a Mach 1 rusting out in a barn. The guy says it is a 73Mach 1 428 CJ.
When I asked around, there seems to be some argument about whether there was a 73 Mach 1 428 CJ.
Before I go back, I need to know how to tell for sure. And an idea of what it's worth.
He says the guy who owned it drove it in, but that was in the late 80's. Doesn't appear to have been wrecked.
Any help would be appreciated.
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Red '69 Coupe, 302, Weiand 8124 intake with Edelbrock 1405 on 1" spacer, Magnaflow's, Pertonix II with FlameThrower coil, fresh C-4 rebuild, factory air (need compressor)
No such beast from the factory.
The was a 351 cobra jet IIRC, cleveland based.
Get the vin and door tag info and learn what the engines look like.
69Mach1 - warmed up 395W (AFR 185s) and broken POS Gforce T5 with hydraulic clutch, 3.5" Alum DS, 3.50:1 posi, rack&pinion/tilt, 235/50ZR17x8 front & 285/40ZR18x9 rear, American Racing Nova wheels, all MSD, Holley 750, custom paint, headlight relays, Shelby drop & 2" lower all around, Hotwheels Redline scale is 1 to 1. http://photobucket.com/albums/v618/danaranda/69stang
If you're lucky its a 71 SCJ 429, or maybe someone just dropped a 429 in a 73 Mach 1. The 429 in the 71 is not a hemi headed motor like the 69-70 Boss was though so its actually more streetable. The 428 is a completely different motor that was never offered in the 71-73 body making much more of a project to accomplish. They would have had to fabricate things like motor mounts, exhaust headers and throttle linkage.
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