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Old 11-28-2007, 10:21 AM
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New drivetrain in old Ford Falcon

Hi, I just picked up a 1964 Falcon Sprint that needs everything. I bought a 1965 4 door donor car with it's original 289 for many of the parts I will need. I am debating on whether to keep the original style of drivetrain or transplant a 1979-88 or so Mustang FE engine/manual trans. Has anyone done this? How hard to mount up, etc? I know the electronics will be a big part of it, but I am thinking the added reliability and mileage might be a good thing. Any advice will be greatly appreciated. Thanks!

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Old 11-28-2007, 10:52 AM
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My recollection (from the 60's, so it's pretty thin) is that the big Fords (FEs) don't fit between the towers under the hood of the Falcons and very early Mustangs. As I recall a lot of structural and suspension mods were required to shoehorn one of those bad-boys in there. I think the Thunderbolts had the same issue, and therefore some different construction. Sure would be fun, though. A windsor motor, or a late model OHC motor might fit, though. I dunno.

Pat
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Old 11-28-2007, 11:59 AM
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Quote:
Originally Posted by baldpuki
Hi, I just picked up a 1964 Falcon Sprint that needs everything. I bought a 1965 4 door donor car with it's original 289 for many of the parts I will need. I am debating on whether to keep the original style of drivetrain or transplant a 1979-88 or so Mustang FE engine/manual trans. Has anyone done this? How hard to mount up, etc? I know the electronics will be a big part of it, but I am thinking the added reliability and mileage might be a good thing. Any advice will be greatly appreciated. Thanks!
Some where in 65 Ford changed the bellhousing bolt pattern, early 289s, all 260s and 221s take a smaller and fewer bolt pattern, so the tranny must also be the same pattern.

Other than that; bolting in a 221,260,289,302 is common regarding mounts, exhaust, cooling, electrial (except the conversion from generator to alternator and the change in later years to a GM starter with integral solenoid).

Not knowing what your doner car is, the only problems I see is if it's a full size car, the rear end and driveshaft will not come accross without modification.
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Old 11-28-2007, 12:48 PM
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HI, thanks for the response so far. The donor car is a '65 Falcon with 289/auto. The original Sprint I bought is missing the motor and trans but was set up with a 260/4-speed combo from the factory. I guess if I wanted to put a Mustang II front end and eliminate the towers, the later FE engines would fit? I guess I will just go with plan A and use the donor motor, rebuild it, find a 4 speed that fits and go from there. Any tips or suggestions would be greatly appreciated!!
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Old 11-28-2007, 01:20 PM
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The easiest way to get big block power for this car is to stroke out a 351 Windsor. I know they sell kits up to at least 427 CID for the stock block. The parts are a lot cheaper than FE parts and more readily available. The early Mustangs with 351W and a high rise intake have a hood (stock without scoop) clearance problem so the Falcon probably would too. The FE would probably have more of a hood clearance problem though.

Danny
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Old 11-28-2007, 01:40 PM
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it might be hard for you to find a decent early 4spd for the sbf, or if you do, it would cost the same as a 5spd conversion. you might consider retrofitting a borg/warner t5 in there while you're piecing it together. i believe mustangsplus even sells a "kit" that includes a bellhousing & transmission crossmember for that exact retrofit. the driveshaft remains the same length, since the c4 & t5 are the same length, but you should measure it to find out anyhow. would be a good time to upgrade that as well (the factory ones were a 2-piece designed to absorb driveline vibrations and werent very strong).
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Old 11-28-2007, 05:55 PM
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Quote:
I am debating on whether to keep the original style of drivetrain or transplant a 1979-88 or so Mustang FE engine/manual trans. Has anyone done this? How hard to mount up, etc? I know the electronics will be a big part of it, but I am thinking the added reliability and mileage might be a good thing.


I think you meant to write 79/88 (really 86/ ) 5.0L FI didn't you? That would be a much better choice for an everyday driver.

Even a carbureted 5.0L would make one heck of an improvement.
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