Bell housing issues
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Junior User
Joined: Jan 2016
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Bell housing issues
Im putting a 351w in my truck and ive got the original np435 transmission that works perfect as far as I know. All I need to figure out is what bell housing I can use that'll work to bolt the two together (if possible). Thanks
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
IIRC, the NP435 has a wide bolt pattern like a top loader... if that works out, then I think the issue will be the input shaft length between whatever you it had (and its bell) to the 351W and its manual bell.
Cargo Master
Joined: Feb 2006
Posts: 3,008
Likes: 249
From: North Pole, Alaska
We need more info on your truck. F-100 or 250? 2wd or 4wd? A 351W is a small block Ford (289, 302, 351W) so its uses the SBF bell housing pattern. The 240/300 six cylinder also uses the SBF pattern. I believe that the NP-435 and the T-18 4 speeds use the same bell housing. I don't know about the 3.03 three speed, but it might also use the same bell housing. This gives you several options for bell housings, 69-79 302's, and 240/300's.
Another thing is that since you are converting to a 351W, what are you using to mount your engine? If 2wd, use 69-79 302 perches, and 77-79 351M/400 perches. If 4wd, you must use 77-79 351M/400 engine stands.
Another thing is that since you are converting to a 351W, what are you using to mount your engine? If 2wd, use 69-79 302 perches, and 77-79 351M/400 perches. If 4wd, you must use 77-79 351M/400 engine stands.
Posting Guru
Joined: Mar 2016
Posts: 1,412
Likes: 1
From: Barre Mass
We need more info on your truck. F-100 or 250? 2wd or 4wd? A 351W is a small block Ford (289, 302, 351W) so its uses the SBF bell housing pattern. The 240/300 six cylinder also uses the SBF pattern. I believe that the NP-435 and the T-18 4 speeds use the same bell housing. I don't know about the 3.03 three speed, but it might also use the same bell housing. This gives you several options for bell housings, 69-79 302's, and 240/300's.
Another thing is that since you are converting to a 351W, what are you using to mount your engine? If 2wd, use 69-79 302 perches, and 77-79 351M/400 perches. If 4wd, you must use 77-79 351M/400 engine stands.
Another thing is that since you are converting to a 351W, what are you using to mount your engine? If 2wd, use 69-79 302 perches, and 77-79 351M/400 perches. If 4wd, you must use 77-79 351M/400 engine stands.
Thread Starter
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Junior User
Joined: Jan 2016
Posts: 53
Likes: 0
We need more info on your truck. F-100 or 250? 2wd or 4wd? A 351W is a small block Ford (289, 302, 351W) so its uses the SBF bell housing pattern. The 240/300 six cylinder also uses the SBF pattern. I believe that the NP-435 and the T-18 4 speeds use the same bell housing. I don't know about the 3.03 three speed, but it might also use the same bell housing. This gives you several options for bell housings, 69-79 302's, and 240/300's.
Another thing is that since you are converting to a 351W, what are you using to mount your engine? If 2wd, use 69-79 302 perches, and 77-79 351M/400 perches. If 4wd, you must use 77-79 351M/400 engine stands.
Another thing is that since you are converting to a 351W, what are you using to mount your engine? If 2wd, use 69-79 302 perches, and 77-79 351M/400 perches. If 4wd, you must use 77-79 351M/400 engine stands.
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