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Old 05-11-2002, 11:04 AM
Jack21 Jack21 is offline
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Cobra Make, Engine: Classic Roadsters, Tweaked 351W, T-5Z, CRII Tech Support Team.
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This question should go in Shop Talk, or all Cobra Talk for better response.

Looking at your engine spec's, you'd likely be better off with a manual trans. Tremec or Richmond. Piece of cake to install, cable clutch linkage is simple, and works well.

That being said, there are specialty trans shops reworking AOD's for hipo street and racing use. If I were installing an auto trans, my first choice would be the GM 700R4 as used in Corvettes, Camaros, and Trans Am's. They need less tweaking, and Art Carr makes a Ford - GM adapter.

Keep in mind that these trans's are not true 4 speeds, but 3 speeds with OD for cruising. I shudder to think what it would co$$$t to import a trans from the US. And your recourse should you have any problems with it. Shouldn't be necessary.

Next in line would be a Ford C4 or C6. Both have rebuild options of passenger car gearing (2.48:1 low), or van & light truck gearing (2.96:1 low). Both have aftermarket valve bodies for firmer, quicker shifting. With all that torque and a light car, you can put taller gears in the diff, 3.08's or so to retain some cruise economy, and a very quick car on the strip.

Frend of mine dropped a hot 351 with the C4 setup in a Triumph TR-6. Weighs about the same as a Cobra. Runs 10's in the 1/4 mile.

If you keep it relatively simple with the C4 or C6 Ford trans, there's got to be at least one trans shop in Melborne Australia that could set this up for you. Talk to a few.

Now...tell us about the Australian made aluminum 351 Cleveland heads you guys have that has all the Pantera owners talking, and Cleveland powered Cobra guys curious.

Last edited by Jack21; 05-11-2002 at 11:09 AM..
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