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Old 01-20-2011, 06:49 PM   #1
fordjnky
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Super Duty np 271 transfer case

Any one ever put an np271 superduty transfer case behind a 80-96 truck? Im gonna try this in my 95 f150 with a 351 and a 4r70w trans. I got the idea from Trevor at WFO and was just wondering if anyone has ever tried this before?
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Old 01-20-2011, 07:01 PM   #2
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I just want to know why.... its a 2.71:1 low gear, your low range now is a 2.69. Granted its a little beefier of a chain driven tcase, but your replace a chain case with a chain case, at the same gear ratio.

IMO, if you're looking for strength, go with np205, or shit even a 203. what is your reasoning behind the 271? Sounds like you're putting it in just b/c its there.
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Old 01-20-2011, 07:55 PM   #3
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I have a 205 but I am not a fan of the low range or the amount of fab to swap it in. It is not installed in my truck now. I have an electric 1356 in my tuck now. I for sure want to eliminate the slip yoke 1356. I thought a beefy np271 would be the best of both worlds, strength and good low range. I am also considiring just getting a fixed yoke 1356 and putting it in. I just want to know if anyone has done this swap? Let me know your opinions on this topic? 1356 fixed yoke, np 271 super duty case, or np 205?
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Old 08-15-2012, 10:57 PM   #4
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did you ever do it?
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Old 08-16-2012, 06:18 PM   #5
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I've never pulled mine off, but I've heard the superdutys have a different bolt pattern?

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Old 08-16-2012, 11:12 PM   #6
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I know a lot of truck pullers have switched to the SD case from a np205 because they are a lot stronger and easier to come by.
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