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Old February 13th, 2006, 09:31 PM   #1
brewmenn
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Default engine+trans questions.

OK so I'm trying to come up with a plan.

I'm planning on building up a couple of full size Jeeps. Since i like to shift my own gears I'll be putting in Manuals trans.

I have the following in my possesion:

np435/np205 with a ford big block bellhousing
np435/np205 with what i believe to be a ford small block bell housing

both are late '70s vintage

since I'm planning on one truck being a mild wheeler, and the other one a bit on the wild side I'm considering putting a small block in one and a big block in the other.

So my questions are:

Are the bell housing patterns the same for all years?
Will a more modern engine (maybe with fuel injection) bolt up to these trans?
What year engines would you think would be good or bad choices for this? Why?
What would you do?

Another thought would be to just adapt both to Small block chevy, just becasue they're so stinking common, but I'd like to look at all the options.
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Old February 14th, 2006, 01:43 AM   #2
Captain Ledd
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Bellhousing patterns should be the same for engines untill the new 4.6/5.7 V8's came out, I believe those are different.

The fuelinjected 302 is the 5.0 (different fireing order, not all that wonderfully convertable), and will bolt up to the small block housing (either car or truck engine). Do you also have the flywheel for that housing? I found mine easy enough in a junkyard (I think it was even an np435). It'll be a truck bellhousing with 164 teeth, scope out all the F-150's in the yard and make sure it's the 302. This should fit the bellhousing you have. climb inside and run through the gears, they're pretty distinctive, especially first and reverse. I didn't have a problem finding one.

I'm pretty sure (check on this) that the block side patterns changed for the 351W and up displacements. I don't know a whole heck of alot about these though.

But as far as I know, all 302's and 5.0's have the same blockside boltpattern. I'd pick a newer engine, less chance of it having been "fixed" at some point in time.
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Old February 15th, 2006, 10:56 PM   #3
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351W and 351C has the same pattern as 302. 351M is the same as 460 (big block). Late 60's motors were good. 72-early 80's were not so good.
70's 302's are balanced differently than 83? and up.
Mustang 302's are cheap and plentiful.
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