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new to the forums! got a few questions.
Hi guys! Im new to the Forum and have a few questions for those of you who have "been there, done that"

I recently bought a 1973 Mustang Grandé! when i bought it it was running and driving,I am not sur on the original engine, but it had a 460 Swapped into it.
(I will get vin code and find out later today what the original engine was)

Anyway, the engine has seen better days so im going to go for a 302/351.

Im just wondering what the easiest method would be?

I was thinking of buying a donor car ( grand marquis or something) and just use the engine and trans as a combo. ( as i have found it is easier said than done )

In my area it so much more common to find trucks. So my question is: Can i find say a f150 and swap the engine and trans with the exception of maybe (from what ive heard the manifolds or headers won't fit as well as id need a front sump oil pan?)

Or would i still be better off finding a donor car ( grand marquis, lincoln etc..)

basically i want a transmission that i can bolt right in without welding anything.

anyways, Thanks in advance

[Image: 2ug17pj.jpg]
[Image: 2hfj7ye.jpg]

Welcome to the site from Rhode Island.

I'm sure some one on here has already done that kind of engine swap, and they can answer your questions.

[Image: 2zem9nk.jpg]
1972 Mustang convertible run_horse  
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Welcome from Colorado

Welcome from Iowa. What is in for a trans now? Might be easier and less money for a rebuild on the 460, not to mention more fun to drive.
the engines and trannies are interchangeable with the exception of the shift linkage on the trans. . you will need the piece on the trans that the shift rod mounts to and the trans valve boy has to be removed to access it . . you also need to determine if your car takes the long or short tail shaft housing . . most mustangs use the short one and a truck and big cars like a fairlane and galaxy use the long one . . you could use the long one even if it takes the short one if you shorten your driveshaft.

Thanks for all the welcoming replies.

As for which trans is in it right now i am not entirely sure.
I pulled the engine and trans a month ago and have the car in storage for now.
Im just trying to find some of this stuff out so i can buy parts and have them all in order before i start doing more work.

I would love to just rebuild and use the 460 ( I know it would be more fun. However i do know it was not originaly a big block and i dont like the way it sits in the car( front end sags a bit, and it doesnt fit in the bay the way id like it to.)

Im not sure if any of you have been following AutoEdits Build on Youtube of his 73 but this is along the lines of what im going for as far as all the suspension and brake upgrades.

For now, as i said id like to put in a 302/351 just to have it driveable for the summer. ( Id like to cruise it for the summer months) During this time, i will be buying suspension and brake upgrades to hold the added weight and power of the 460 and also rebuilding the 460.

Im not going to be building the "Temporary engine" just wanna pull it outta another vehicle and drop it in for summer fun, Hence why i wanted to know what trans i could use without modefying any crossmembers etc. just to make it go smoother when the 460 goes back in.

Anyways, Thanks again for the info guys and sorry for the long post lol

Welcome from Denmark Wink Regards DK73

So I'm a proud owner of one Mach 1 73! Regards Lars DK73whistling
Welcome from northern California.


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Howdy from Phoenix. Nice looking car. I like your idea of keeping the 460.

Your best bet for an easy swap will be to find one of our mustangs that is being parted out or sold cheap because the body is a wreck. That way you can get everything you need including: radiator, accessories, exhaust manifolds, trans mount, linkage, etc.

73 Convertible - 351C/4V CC heads/4bolt/forged flat tops/comp 270/rhodes/mallory unilite/tri-power/hookers/glasspacks/c6/3.50 limited slip/Gear Vendors/Global West sub frames, strut rods and shelby style traction bars/ Rear sway bar/tilt steering (not original)

Pics of modifications included in:
Do you want it to be a auto or manual trans? I would think a fox body with a 5.0 (302) with AOD auto would be cheap and easy to find. Easy swap too. Would need to change oil pan to front sump.

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