NP435 Swap
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New User
Joined: Jan 2006
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NP435 Swap
I just recently bought a '72 250. Right now I also have a '85 250 with a NP435 that i would like to swap in the '72. The '72 has a 360 FE series engine. I was wondering about bellhousings. The 85 NP435 uses the windsor bellhousing-what bellhousing did the FE series engines use or is this gonna be a direct fit? Haven't pulled either trannys out yet so...
Hotshot
Joined: Oct 2002
Posts: 18,488
Likes: 22
From: The Big, Oregon
That new of an NP435 has a different size input bearing housing, I'm not sure if it'll fit the older bellhousing properly. I think it changed in 74 or 75, you might want to ask in the transmission forum as to what year bell housing you can use with that tranny.
Fleet Mechanic
Joined: Jul 2002
Posts: 1,297
Likes: 34
From: S/W Virginia
The Fe bellhousing is unique to FE engines; it won't fit anything else.
Look for one behind a 352, 360 or 390 in trucks '65 - '76.
Look for one behind a 352, 360 or 390 in trucks '65 - '76.
