stock vs built vs ZF6 swap? - Ford Powerstroke Diesel Forum
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Old 03-02-2014, 03:34 AM Fanatic

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stock vs built vs ZF6 swap?

In a couple months I will complete my set up of swamps stage one injectors, and a 38r turbo. I currently have a Tru cool cooler inline with the stock one. The trans does slip when I really punch it, but daily driving it is holding good. I am thinking of in maybe 5 years or so doing a cummins swap. So what would be the best for the application getting a a stock rebuild or getting it built. Their is a local transmission guy who has passion in what he does and says for 3k I get a high performance torque converter, and beefed up internals(He wont tell me what brand though). I could get a bts but that seems out of the range at 5k. or a ZF6 swap which I heard could yield better economy. I was also thinking of getting a stock rebuild, valve body, and a torque converter. What is the best torque converter for the money?
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Old 03-02-2014, 03:59 AM
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Stock vs stock the zf6 is stronger, the clutch would need upgrading though with power so bank on about 1000$ for that . Mileage gains are minimal from swapping.

You will be significantly slower in a race. With the zf6

I did the swap and am very happy with it but if performance is what you want the truck for stay auto.

There is nothing wrong with a local shop rebuilding it. I would have it built but provide your own JW or BTS valvebody and be done with it.

Unless you really prefer stick like I do and then go for the swap.
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