Re: [AMC-List] 258 6cyl swap into 63american convertible

["Jim Blair" <carnuck@xxxxxxxxxxx>]

A: Aah! Taller deck! So that's why the PS and alt brackets, etc didn't work 
from a 250 to 170 (they were the same brackets as the 300 I originally had 
according to the part numbers) The 250 did have a V8 bell and not the same 
small bell as the 200/170 (it was in a '75 Granada)
 Maybe an Ozzie Falcon OHC 250 would be fun in an older Rambler, but I'd 
still go with the AMC 2.5L (which isn't as wide as the GM 2.5)


NEGATIVE JIM!!!! Check the Ford Six site. It's easy to get the
240/300
confused with the 144/170/200 and the 250. The Ford site has
extensive
photos, and head swaps between the 200/250. I know you've done a
lot of
work on Canadian cars, being so close to the border. Maybe
Canadian
Fords had a bored 240 that was used in mid to large sized cars
before
the 250 came out? I always thought the 250 was based on the
240/300
block, but found out I was wrong a couple years ago.

The 240 came out in 1964, 300 in 65 for trucks. As far as I have
been
able to determine the 300 was never used in cars. It appears
that the
240 was phased out after 1971, the 300 ran through 1996. The 250
appeared in 1969 and was produced through 84. Wikipedia has
basic info
on the Australian Falcon six, which is derived from the 250.
It's
basically the same block, but since 88 it has had fuel injection
and a
single overhead cam (SOHC) head, since 2002 a DOHC head. It is
still
being produced, apparently.

To recap: the Ford 250 is a tall deck version of the 144/170/200
family.
The deck was raised over 1.5" to get a longer stroke (0.78"
longer, I
believe, but that may not be an accurate number). The cam
location was
also moved up, so the timing set is different. Many other parts,
including heads, will interchange. It IS NOT based on the old
240/300
block. Check the Tech section and the "200 - 250 Swap FAQ" for
differences.

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