240 to 289 conversion
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240 to 289 conversion
I'm looking at a '72 F-100 for my son who is about to turn 16. Only problem is, it has a 240 6 cyl and he wants an 8 cyl. I know where I can get a 289 from an early Mustang. The truck has a 3 speed manual tranny with column shift. What problems will I encounter trying to make this switch?
Will 302 motor mounts work on the 289?
Will the 3 speed manual bolt up to the 289? Flywheel/Clutch/Bellhousing problems?
Will the 289 Mustang oil pan clear the F-100 crossmember?
Will a 302 exhaust system mount to the 289?
Thanks for you help,
Hal
Will 302 motor mounts work on the 289?
Will the 3 speed manual bolt up to the 289? Flywheel/Clutch/Bellhousing problems?
Will the 289 Mustang oil pan clear the F-100 crossmember?
Will a 302 exhaust system mount to the 289?
Thanks for you help,
Hal
Fleet Owner
Joined: Jun 1999
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From: Creedmoor, North Carolina
Hal, Yes you can make it work, but stumble and stall for a year or so of driving before you add more power.
I could be wrong but under powered vehicles can help young drivers reach 18 years and older. IMHO
John
I could be wrong but under powered vehicles can help young drivers reach 18 years and older. IMHO
John
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Joined: Nov 2000
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From: Azle, TX
The 3 speed will bolt up, you'll have to find a set of SBF engine perches to swap out in the truck, it will move the motor back to mate up with the transmission, I just pulled my 240 and put in a 302 this summer.
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From: South Carolina
IMHO, it would be easier to just put a 302 in the truck, when i turned 16(17 now) my dad bought me a 72' i was soo estatic. while the 302 makes good power, the trucks stock gears only let it go about 75 and thats screamin'. i have a 351w in it now and am in the process of restoring it, but good luck and good job raising another ford lover!!
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From: Mount Vernon
All you need to do the swap are windsor motor towers from a 302 powered truck all the way to 1979 and yes stock 302 motor mounts will work on the 289. The 240 has a fe bolt pattern I think so you might want to find out and if so get a 302 bell housing. Is the 289 a 5 or 6 bolt bell housing pattern? Most likely if its a later 289 it will be a 6 bolt so it wont be hard to find bell housings and parts. It would be worth while to swap a 73-76 front disc brake set up while your at it for a lil cheap insurance. good luck hope this helps
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From: Mount Vernon
All you need to do the swap are windsor motor towers from a 302 powered truck all the way to 1979 and yes stock 302 motor mounts will work on the 289. The 240 has a fe bolt pattern I think so you might want to find out and if so get a 302 bell housing. Is the 289 a 5 or 6 bolt bell housing pattern? Most likely if its a later 289 it will be a 6 bolt so it wont be hard to find bell housings and parts. It would be worth while to swap a 73-79 front disc brake set up while your at it for a lil cheap insurance. good luck hope this helps
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Originally Posted by choochoof150
Is the 289 a 5 or 6 bolt bell housing pattern? Most likely if its a later 289 it will be a 6 bolt so it wont be hard to find bell housings and parts.
Mustangs introduced 4/23/64, so the V8 engineS used between the dates will be the early variety.
CAVEAT EMPTOR: The early pre 8/23/64 Mustangs also used 260's.
1965 VIN (5th digit) engine codes = A = 289 4V / C = 289 2V / D = 289 2V (early) / F = 260 2V / K = 289 HiPo
Last edited by NumberDummy; Dec 10, 2007 at 05:19 AM.
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The 240 bolt pattern is NOT the same as FE. It is the same as SBF. I put a 289 from a Mercury cougar into my 70 F100 that had a 240. I changed the engine perches and used the flywheel, clutch and pressure plate from the Cougar. Transmission bolts up with no problem.
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Sorry guys. I'm not sure I follow. What is FE and SBF? I'm not sure what year Mustang the 289 came out of. Am I correct in assuming that as long as it's not 64 1/4 then I'm OK? Will the bell housing that's in the truck now with the 240 and 3 on the tree fit the 289? Sorry for the confusion.
Hal
Hal
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From: Glendale Arizona
Hal
In a shot post
1 yes the 240 and 289 share the same bell housing.
2 Unless the engine is a 5 bolt bell. you can tell this by looking at the back of the engine. Later 289s switched to the 6 bolt bell common to all 302, 351 W and 240 300 sixes.
Ask your son why do you want to get rid of the 240? it will out torque the 289 hands down in the heavy truck and can deliver the same horse pressure with a few simple upgrades. If he is looking for the cool factor, its in a preped hot six not the V8s today.
Dare to be Different.
Garbz
In a shot post
1 yes the 240 and 289 share the same bell housing.
2 Unless the engine is a 5 bolt bell. you can tell this by looking at the back of the engine. Later 289s switched to the 6 bolt bell common to all 302, 351 W and 240 300 sixes.
Ask your son why do you want to get rid of the 240? it will out torque the 289 hands down in the heavy truck and can deliver the same horse pressure with a few simple upgrades. If he is looking for the cool factor, its in a preped hot six not the V8s today.
Dare to be Different.
Garbz
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Originally Posted by Plums72
IMHO, it would be easier to just put a 302 in the truck,
The 1967 289 put out 205 HP
1968-195 hp
There were 4 different 1965/1966 289's
It depends what 289 it is
EDIT: whoops sorry Bill, I must have scrolled past your post
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From: Simi Valley, CA
Originally Posted by Mil1ion
The early Mustangs 289's have more power than 302's
The 1967 289 put out 205 HP
1968-195 hp
There were 4 different 1965/1966 289's
It depends what 289 it is
EDIT: whoops sorry Bill, I must have scrolled past your post
The 1967 289 put out 205 HP
1968-195 hp
There were 4 different 1965/1966 289's
It depends what 289 it is
EDIT: whoops sorry Bill, I must have scrolled past your post
</S>
Last edited by NumberDummy; Dec 10, 2007 at 05:48 PM.
