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04-02-2014, 02:58 PM
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Registered User
Join Date: Mar 2013
Location: McPherson, KS
Posts: 96
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NP 435. Anyone else got one?
So I figured out what transmission my '71 has in it, it's a New Process NP435. I looked it up, and evidently it's a pretty uncommon transmission? Limited to the 67-72 Chevy pickups?
My main question here is, would it be cheaper to put an overdrive on there, if one fits, change the gearing in the rearend, or just get a NV4500 to retrofit onto the 250? She's screamin' at 55 MPH. Thanks! |
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