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Discussion Starter · #1 ·
got my eyes on 1975 mustang 2 with a 5l v8 could anyone please tell if my 390 tri power will go in place of the original engine and also is it a lot of trouble? bit of a newbie so any help is appreciated thanks for looking. russell
 

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Absolutely not, but that doesnt mean that you couldnt mount it in there.
 

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Why ??? You could build the 302 to woop that 390 A$$. All the 390 is going to do is add a whole lot of weight. Sell te 390 to a collector and build your self a 302 or 351 stroker it much easyier and will be alot faster !!
 

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If you wanna be different then do a 427 or at least a 428. To paraphrase FEandGoingBroke 'a 390 would be boring, Tri power or not'.
 

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Discussion Starter · #10 ·
well i got the 390 cheap it was $100 and freshly built with new +30 pistons and new double valve springs etc just needs a few bits to finish! so i would like to keep it just having trouble trying to find something to put it in cos im in the uk!
 

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How about a 60's Fairlane?
 

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Street Rod? (32 Ford High Boy)
 

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id hate to be the wet rag here, but the Pinto mustang II v8 has a nose heavy issue as it is. You put a engine in the front with 200 more pounds in the front and your not going to have any fun with the car at all once you spend months and countless $$ on things like custom oil pan, and headers and what not.
Youd need to put a prostock style front clip and set the engine back about 10" to make it work well.
then all you have is a race car.
Id look into being boring and do a 302-351 and then have fun with the car no matter if anyone else likes it or not. Its FOR YOU anyways Right??
Just my thoughts and opinon
 

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A 390 will ruin the car. If you want a "Holy Shart" machine, drop in a 351-C or a 351W. With aluminum heads, you can get the weight down, and with the right block, you can keep the C-4.

When I were a wee lad, there was a pretty nice looking babe who cruised our local strip in Daddy's 351W Mustang II FB, and almost never lost to anything -- including some righteous BB's. The swap was clean as a whistle, and most of the strokes believed the 302-2V sticker on the air cleaner... or at least they did until they got their ass whipped. And that was when the most exotic speed parts available were the C9OE heads and Hooker headers!

The FE is great for an old T-Bird or a Galaxie or an Efffie, but a waste in a teeny car like the 'Stang.

Good luck!
 

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Woah boy's... I was PROMOTING the FE going into it! Stroked 302's and 351's are EVERYWHERE now day's... THey are the hum drum everybody has one motor... Powerfull or not the stroker are the jokers... If ya want some nice power, and great sound, and loads of torque, put the 390 in it, that will give you a lot of BS power as well, because you get to talk about how damn hard it was to squeeze everything into that tiny hole....
 

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Squeeze? You'd have to cut the crap out of the car to get it in. Remember, this is the car with the custom small bell C4 and 148 tooth flywheel that was required to fit the tiny 302 in there in the first place. Check over on http://www.mustangii.net/ for any info they might have. I know of a 460 in an MII - the frame rails had to be moved 4 inches out to make room. The FE is about that big. Cool - yes. Practical - no.
 

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Ditto............ Lets talk praticality, It possible to do? Yes. It it pratical? No.... Dollar for Dollar its a waste of $$$$.
 
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