Engine swap advice - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #1 of 13 (permalink) Old 09-07-2019, 03:33 PM Thread Starter
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Engine swap advice

I have a 1967 mustang convertable and would like advice on engine swap that would fit engine bay without modification. c4 or c6 automatic transmission and other compatible upgrades that I would need to make. Drivetrain, suspension etc.
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post #2 of 13 (permalink) Old 09-07-2019, 06:19 PM
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Re: Engine swap advice

What's in there now or what was in the car originally?

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post #3 of 13 (permalink) Old 09-08-2019, 04:10 AM
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Re: Engine swap advice

Stick with motor families that were available from the factory in '67, and anything will fit without modification.
I don't have much use for non-overdrive transmissions - something like a 302/AOD combo should be a piece of cake.
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post #4 of 13 (permalink) Old 09-08-2019, 06:52 AM Thread Starter
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Originally a 200 cu in 3.3 L inline 6. Maybe swap for a V8.
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post #5 of 13 (permalink) Old 09-08-2019, 07:45 AM
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Re: Engine swap advice

in that case-
six-cylinder options: 250
v8 options (small-block): 260, 289, 302
v8 options (big-block): 352, 390, 428

my personal opinion - stay away from the FE, they're expensive, and there's no factory overdrive transmission that will bolt up.

302/AOD is the way to go if you want an automatic.
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post #6 of 13 (permalink) Old 09-08-2019, 05:41 PM
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Re: Engine swap advice

I like the 302 in what ever size and power level you want and the AOD as well. I don't know if the mustang only came with the 8" rear axle or the 7.25 was under it also the that should be addressed if it is. The 8" can handel a mild 302 but not much more.
These guys have about the best deal on sbf in my opinion, decent power and a warranty.
https://blueprintengines.com/product...block-bp3060ct

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Last edited by Iowan; 09-08-2019 at 05:53 PM.
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post #7 of 13 (permalink) Old 09-08-2019, 07:37 PM
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Re: Engine swap advice

1967 6 cyl came with 4 lug wheels and a 7.25" rear end. The small block V8 got the 8" and 5 lug wheels.

Unfortunately, to properly change to a V8, you'll need all the suspension, along with the rear axle... in addition to all the engine/trans stuff.

Unless you have a parts car, it could get very expensive. It's a big job, either way.

Good Luck!
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post #8 of 13 (permalink) Old 09-08-2019, 07:45 PM Thread Starter
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Thank you for the advice. I appreciate that you guys are willing to share your knowledge and point guys like me in the right direction.
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post #9 of 13 (permalink) Old Yesterday, 03:44 AM
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Re: Engine swap advice

If you find a 9 inch rear from 67-70 it's a bolt in, 289-302 with a C4 is a bolt in with the correct parts, as is any FE with a C6. Of course you need the correct parts and the list is long

For the front end, any 67-70 5 bolt lug Mustang from the spindles will work, or find Granada disk spindles with a change to tie rod ends.

In the end, not a real tough swap, but takes some parts searching and rebuilding.The 289/302 swap would be the cheapest by far, and despite being a big block guy myself, likely the easiest and cost effective way to build a real fast car if that's the goal.

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post #10 of 13 (permalink) Old Yesterday, 04:26 AM Thread Starter
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Ease and cost effectiveness are definitely a priority. This will not be a daily driver. Looking at 302. Not sure if i need C4 or C6.
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post #11 of 13 (permalink) Old Yesterday, 06:33 AM
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Re: Engine swap advice

Quote:
Originally Posted by Restosteve View Post
Ease and cost effectiveness are definitely a priority. This will not be a daily driver. Looking at 302. Not sure if i need C4 or C6.
C4 is plenty for a small block. It's also a more efficient transmission, and absorbs less power... in addition to being smaller, lighter and easier to deal with when packaging it into a car.
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post #12 of 13 (permalink) Unread Yesterday, 07:29 PM
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Re: Engine swap advice

A 351 Windsor makes a nice swap.

Not much bigger than a 302, just a bit wider at the deck.

351W uses the same mounts as the 302 and you can use a C4 behind it. (or an AOD)

Just my $0.02
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post #13 of 13 (permalink) Unread Today, 05:41 AM
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Re: Engine swap advice

Quote:
Originally Posted by galaxiex View Post
A 351 Windsor makes a nice swap.

Not much bigger than a 302, just a bit wider at the deck.

351W uses the same mounts as the 302 and you can use a C4 behind it. (or an AOD)

Just my $0.02
This would be my first choice as a swap as well. If you want to make some power, it doesn't cost much more to stroke one to 408ci. All 351W engines use the older 28 oz-in external balance shared with all the pre-82 302's.

Even if a person leaves the 351W mostly stock, it's a stronger foundation... and provides a lot of room for possible future upgrades.

Last edited by n2omike; Today at 05:44 AM.
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