So I find myself with a spare 428....... - Page 2 - Vintage Mustang Forums
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post #16 of 24 (permalink) Old 07-12-2019, 09:27 PM
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Originally Posted by Cobraguy1 View Post

Anyone dropped a 428 into a 68 Fastback? Any comments?
Um... yeah. Ford did. Twenty-eight hundred and seventy times, in 1968.

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post #17 of 24 (permalink) Old 07-13-2019, 12:03 AM
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I suggest you send that spare motor down south. I’ll drop it in my 68 and thoroughly test how it fits. It will be perfect since I am planning a GT-500 clone. ;-)
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68 289 convertible Candy-apple red & white
66 200 coupe Blue
94 GT convertible Red & black
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post #18 of 24 (permalink) Old 07-20-2019, 03:39 PM
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428

My 67 coupe was an original S code car that had a 428 transplant. The headers were a pain, plugs same story. Starter, don't get me started. It would've been the same with the stock 390.
Ended up selling it and got the current 66 fastback 289, 4 speed. Regular maintenance is no longer painful.
I would keep your fastback a small block and save the 428 for something it fits better in. But that's me. Do what makes YOU happy!!
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post #19 of 24 (permalink) Old 07-20-2019, 04:21 PM
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Sorry I should have been clearer, no the previous owner put the original motor and trans back in the car before selling it so it leaves me with the spare 428 he had built, the original numbers matching will now stay in the 69 where it belongs

Ahhh We'll in that case the answer is I simple.


https://www.factoryfive.com/roadster/
Have one of those, been thinking of that as an option as well, it’s also has a 302.
I think we really need to hangout...
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post #20 of 24 (permalink) Old 07-21-2019, 05:20 PM
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Originally Posted by wicked93gs View Post
I have seen a '66 with a 460, so I am positive you can fit a 428 in a 67(same basic engine as the 390 after all). As to whether you should do it...that depends...your handling will suffer for sure...and you will want to add some type of shock tower to cowl bracing for the extra weight. Is it worth the extra torque and terrible mileage? I would say no...just add a turbo or SC to get both those things without as much extra weight and fewer fitment problems. I would sell that 428 to someone restoring a big block car at a good profit.
A 460 in a '66?! Holy cow! What was that like?
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1966 Mustang 2-Door Coupe
Engine: 1980 302 bored 0.060, so 311 ci. 351 heads, Holley 670 cfm 4 barrel, Eldebrock Torker II 289 intake, Competition Cam 276 duration 490 lift.
Trans: 1966 C4, recently rebuilt
Rear End: 8.8" rear end, 3.73 ratio w/ tractionlok, sourced from 91-94 explorer
Brakes: disc in front, drum in rear. Manual all around, single reservoir
Non-numbers matching

My plan is just to build a decently powerful muscle car that looks good but is a driver not a show car.
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post #21 of 24 (permalink) Old 07-21-2019, 06:51 PM
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A 460 in a '66?! Holy cow! What was that like?
same as a 390 or 428....tight. I am sure he had to jack up the engine to change spark plugs. I saw that whatever headers he was using were rubbing as well...was still pretty cool though to have that big block sound in a 66...entirely impractical...but cool
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post #22 of 24 (permalink) Old 07-23-2019, 10:39 AM Thread Starter
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I suggest you send that spare motor down south. I’ll drop it in my 68 and thoroughly test how it fits. It will be perfect since I am planning a GT-500 clone. ;-)
Very generous offer
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post #23 of 24 (permalink) Old 07-23-2019, 10:59 PM
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Very generous offer
Always willing to help a guy out!
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68 289 convertible Candy-apple red & white
66 200 coupe Blue
94 GT convertible Red & black
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98 V6 convertible White & tan

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post #24 of 24 (permalink) Old 07-23-2019, 11:25 PM
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Use it for the Cobra, it will look fabulous and “correct” in there. I have an S code 67 and like FE’s but a 427 cobra has to have an FE.
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69 Fastback 428 SCJ
69 Hardtop 429 Boss
67 Fastback 390 GTA
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