Can a straight 6 engine from a 1968 Ford Custom fit in a 1967 Ford Mustang and fit a C4 transmission?

Question

Can the Custom engine fit into the Mustang with no modifications and still fit the transmission?

Answer 1

Oh baby!!!
You are dealing with stuff from back in the day! I envy you. Back then there were small blocks and big blocks! If a motor were a small block it would only fit a small block bellhousing and vice versa. So yes if the motor is a small block and I am sure it is it will fit. You may need to make a few modifications but they are minor. Exhaust etc... This is from the day when a starter would fit practically all ford made. Maybe three starters? All had either a two bolt design or three bolt. If you needed a three bolt you merely pulled the two off and put a three bolt end on it! I had a 1981 F100 stepside that had a 300 ci six banger in it. When it died after a second overhaul I found a 67 or 68 289 ci and put in it. All I did to it was changed the little box that was either for a four or six or eight cylinder controller from the six to an eight. I then pulled a distributor from an eighties model 8 cylinder and put in the old 289. then I took a set of motor mount brackets from a junkyard truck and bolted to the back of the cross member and then a little sweat and it was running sweet as honey! Later after I killed the transmission (manual 3 with overdrive) because it could not handle the extra torque I put a c-4 in it. I killed it too and then put in a c-6. Life was good for a while... Old lead foot me I had to rebuild it again and then put in a 351 cleveland... That was a little harder but still doable. Life was good for a mechanic in those days. The Fords were engineered right and proper back then. Now there are probably over 300 starters made for ford vehicles on the road today. Why is a good question.
Sorry to ramble so but your living life right... Take your time and have some fun!

Answer 2

Don't wast your time. The 6 out of the Custom or Galaxie body car is to big for the Mustang engine bay. The big 6 from the Custom has a higher deck than the original 6 used in Mustangs and Falcons. The Custom motor you are dealing with is used in the Ford truck line and tractor line not the Mustang line.

Your Mustang 6 is the same 6 used in the 1980's Ford Fairmonts & Mercury Zephers, I had one. Might be the route to go with a newer engine.

My advice is get a small block V8 289 or 302 and a V8 conversion kit from a Mustang dealer.

Answer 3

maybe, it's a 240 big block and has the same bell housing as the 302, but it's longer than the 200/250 sixs, so there maybe some modifications to the fan and radiator. also you will need to adapt the original six motor mounts to the Mustang frame.

this is not a engine that was offered in the Mustang line so it will take some doing. While you are at it, think seriously about using the 300 inch crank! : )

think CLIFFORD

Answer 4

In short, it's not a direct replacement for the six that came in the 'stang so it will not fit the motor mounts or transmission. Stick with the 190/200/250 cid family and save yourself some headaches.

Answer 5

Not the large 300 cubic inch (boat dock anchor) in a mustang way to heavy and a little to long. Torque from that 6 should be hooked to a C-6 that might not fit the tunnel of the car.

Answer 6

the 300 crank wont work--different engine line.
the 240 and 300 were light and med trucks only.
the car engine will fit the mustang with not many
problems at all. Very do-able.

Answer 7

The 2.8i was fitted with a Kent V6 engine as standard there was a V8 version available as a special.

Answer 8

as long as the cubic inches are the same it should fit!!! i put a v8 engine into my 1974 pinto and its a BEAST...I'm an ASE certified master tech.

Answer 9

I think it can. You will always have some modifications. New motor mounts for example.

Answer 10

It sure would but it wouldn't be my engine of choice.