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post #1 of (permalink) Old 01-19-2004, 05:01 AM Thread Starter
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OT stupid ford motor swap question??

I have a 1970 ford truck that I have no money in, It is a f250 and in decent shape but the 390 in it is locked up due to a leaking head gasket. The 390 I know from experience is a big pig, and I can do without the 5 mpg. I rebuilt a 390 years ago, and the expense was rediculous.

Question: It has a T18 4 speed (I think) I would like to swap in a 302 or 351 to replace the 390. Will a standard trany bellhousing from a sb ford mate the two or will i need to find something specific?? Key is I do not want to put a bunch of dough in this and just want it dependable enough to haul wood and tow the tj to and from the trail.
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post #2 of (permalink) Old 01-19-2004, 08:15 AM
 
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Re: OT stupid ford motor swap question??

Well I can't answer the question about the bell housing,,, or won't because I'm not real sure, and don't want to miss lead you.
But I do have a question,,, are you going to use this truck as a tow vehicle?

If so the 390 is a real mule where the 302 and 351 are light weights. I can't imagine why you incurred so much expense on your last 390 rebuild, unless you replaced a lot of hard parts.

I will agree about the gas milage, but 9 has been the worst I have ever got out of the venerable 390 [img]images/graemlins/grin.gif[/img], the good thing there is I can count on it whether it's running dry down the road or if I'm pulling a house behind me. The milage the same.

Over the years I have owned about 8 390's of various torque and HP models, (trucks and hotrods). I rebuilt 6 of those. The last being in my 73 Explorer pick up. I just sold that thing about 2 years ago [img]images/graemlins/frown.gif[/img].
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post #3 of (permalink) Old 01-19-2004, 10:17 PM Thread Starter
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Re: OT stupid ford motor swap question??

I agree it is a beast,, It is just kinda a dinosaur, and this block would have to be bored,, and it is just not worth that much to me... I had found a TPI 5.0 that I think I could install for about the price of the 390 rebuild and have a more dependable base... I used to find 390's everywhere, but they seem to all be locked up lately and 5.0's around here are a dime a dozen..
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post #4 of (permalink) Old 01-20-2004, 04:07 AM
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Re: OT stupid ford motor swap question??

Sorry, can't help with the bellhousing issue. Just thought I would chime in and let ya know that I did this swap in my old Ford with A/T about three years ago. Found a great write up for it if you'd like I can PM it or post it for ya.

Seems to me I read a post mnot too long ago where someone ran down the list of bellhousings and differences. Hmmmmmmm. [img]images/graemlins/grin.gif[/img]
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post #5 of (permalink) Old 01-20-2004, 04:46 AM Thread Starter
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Re: OT stupid ford motor swap question??

Ya, post it.. I am researching now, not in a big hurry just gathering info. A goggle search revealed to much, and the Ford forum on here is too slow..
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post #6 of (permalink) Old 01-20-2004, 05:12 PM
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Re: OT stupid ford motor swap question??

HERE it is. I found most of the info fit my install into the 1970. You can PM me if you run into problems along the way. Oh by the way, mine was a Ford LTD motor and the wiring harness worked great. [img]images/graemlins/grin.gif[/img]
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post #7 of (permalink) Old 01-20-2004, 07:25 PM
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Re: OT stupid ford motor swap question??

Here's the poop.
On fords the bell pattern is.....

Big bell (like big block)
351C
351M
360
390
400M
427
429
460

Small bell
300 (6cyl)
260
289
302
351W

Those are the COMMON ford engines and what they will fit as far as bell patterns. (and there are plenty of others too)
Hope that helps Jeff.
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post #8 of (permalink) Old 01-20-2004, 11:58 PM Thread Starter
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Re: OT stupid ford motor swap question??

So a 351 will bolt up to the 390 bell housing?

If so,, 351's out of bronco's are an easy find here,, maybee I will go that way. course no fi then.
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post #9 of (permalink) Old 01-21-2004, 07:19 AM
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Re: OT stupid ford motor swap question??

What kind of 351? A Windsor or modified? (they didn't put clevelands in broncos)

A windsor is a small bell like a 302.
351M is a big bell and fits the same as a 390.
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post #10 of (permalink) Old 01-21-2004, 07:33 AM
 
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Re: OT stupid ford motor swap question??

</font><blockquote><font class="small">In reply to:</font><hr />
Big bell (like big block)
351C
351M
360
390
400M
427
429
460


[/ QUOTE ]

Some where in the back of my mind, and these days most things are there [img]images/graemlins/grin.gif[/img], I thought the 427/429 used a different bell housing. When I went to put a 427 in my old truck (73 390 C6) the tranny was not compatible or something like that. Now this was way back about 79 soooooo, I have slept a few days since then and I may be all wet here [img]images/graemlins/grin.gif[/img].
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