1997 gt engine swap - Ford Mustang Forum
 
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post #1 of 4 (permalink) Old 02-09-2016 Thread Starter
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1997 gt engine swap

Does anyone know if i can fit a 390-429 big block in my 97 with out body mods or will i have to stay with a small block. Do you think a big block is a good choice let me know what you think.


1997 Mustang Gt auto - White Rose - Custom 2in exhaust with headers and flowmasters and an offroad stock 2.25 in h pipe and custom bent 2.25 catback 3.08 rear end MM caster camber plates installed Kyb gr2s installed Ford racing c springs with polys isos all around SR performance upper and lower poly control arms pi head swap gt500 followers sr cold air intake hand ported stock plenum raxiom smoked halo headlights
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post #2 of 4 (permalink) Old 02-09-2016
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You could make good power with a 351 stroker and it'll hold together. As far as making it fit, I'm sure it'll fit between the frame rails, but probably have to change the motor mounts or even change to a tubular K member. Just my two cents.

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post #3 of 4 (permalink) Old 02-09-2016
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You can do a 302/351 based engine using a '94/'95 K member.

Lots to do though, you'll need a trans that will bolt up, probably a different driveshaft, there will be various fuel and electrical hurdles regardless of if you go carb or efi.

Not a project for the inexperienced or faint of heart. I've read a few of these sort of build threads over the years (a 460 into a New Edge over at mustangforums a few years ago comes to mind) where the end result is a car that's in pieces, all sorts of money invested and still can't get it to run and no end to the project in sight, and then finally just frustrated and sells whatever's left of the car in the hopes of putting toward a car they can actually just drive.

If I can offer an opinion here, given the issues you are already dealing with on this car, I think you might be getting a bit ahead of yourself with talk of a pushrod engine swap. I'd concentrate the efforts on getting what you currently know is wrong straightened out before worrying about this.


2001 GT Convertible
/1967 Coupe
All the usual bolt-on's /200 I6, C4

And a few Explorers too... 2008 4.0 XLT 4x2, 1996 XLT 5.0 4x2, 2003 Sport Trac XLT 4.0 4x4
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post #4 of 4 (permalink) Old 02-09-2016
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For the same price and less headache you can have a Vortech/Procharger setup and be much more reliable same amount of horsepower, and only being a built short block build away from being a very powerful car.

A pushrod swap can be done but as Socal mentioned, be ready....as long as you know what to expect as far the time needed, money, headahces, odds/ends...than go for it.

I am still contemplating swapping a 351 into mine, only because my dad has 2 blocks laying around and enough parts to put one together, but at the end of the day I could get a used PI engine and a used supercharger setup for less money, less headache, and more power.

Matthew 26:52-54 / Go Pack Go!

1987 Mustang GT Hatchback - 2V Mod Swap In The Works

1997 Lincoln Town Car, PI Intake/Cams, Sofa-On-Wheels, "Fat Tony" we call it

2001 GT Convertible - D1SC / Geared / Cammed / 440wh 400wt - TOTALED 2/2019
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