Anyways, I own an 87 GT that is currently holding a 5.0 crown vic motor. My plan is to make this car into an autocross/track car. Originally I was just going to build a 5.0 from the ground up(with autocross and track in mind), but then I started reading up on the problem with the fox body's weight distribution. From what I've heard it's horrible. People have suggested buying or fabricating engine mounts so that the engine sets further back into the engine bay.
I propose this idea: Take the 2.3l Turbo motor out of the SVO, build it up for a moderate amount of boost and slap it in there. To me, this seems like the best way to go because it would not only solve the weight distribution problem but would probably be a better setup for autocross/track. This is not a thread asking if the swap can be done and how to do it. I'm just asking you guys if it's the best way to go. I think it would be alot of fun to build up an SVO motor.
It'll fit.
You could use aluminum heads, and do some other lightening, and see an improvement. Though, you can make a turbo 2.3 scream, as well.
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1992 Deep Emerald Green Mustang GT Hatch, 5 speed, 2.73s, Mac fenderwell cold air intake, '93 Cobra MAF, Mac 70mm throttle body & spacer, Explorer intakes, Mac unequal headers & offroad pipe, Magnaflow catback, Walbro 110lph fuel pump, Jet adjustable FPR, MSD Blaster coil, Accel 8mm wires, FRPP aluminum quadrant, UPR firewall adjuster, stock cable, Granatelli upper control arms.
Waiting to go on: Granatelli lower control arms, and GT40 Iron heads!
ya crown vic has the double sump as well, some have the HO in them too. i had one.
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if i were you, i would keep the 5.0, and since it is mainly autocross/track, i would try to move as much weight back as possible, as well as strip the weight.
Firstoff, Welcome to the board, hope you like it here.
Props for the SVO idea, I've thought about it myself, especially with the stuff you can do with turbo tech nowadays. I had a few questions, then I'll throw a tenative opinion in the ring.
1: Sounds like youre looking for a project car, correct? In other words, you've got transport in the mean time?
2: Are you looking at going for a full SVO suspension (or better)? 4 wheel discs, 73mm calipers, etc?
3: Hows your funding? Building up a screaming turbo 4 wont be cheap. And for autocross, powers not everything, or even most everything. And what contitions the Vic 5.0?
As to the weight dist., no, its far from optimal, but i wouldn't call it horrible. (unless you slap a big block up front)
If moneys an issue, keep it 5.0. The money you'd spend building a serious 4 turbo, and the upgrading the suspension could IMHO be better spent all on the suspension, and lightening the front end. If you're serious about autocross, you're already looking at fairly serious upgrades on the stock fox setup.
If moneys not a big worry, and/or you've got other transport, and you're set on the svo idea, I'd say get one of the low buck 4-cyls that are seemingly everywhere. (Use your 5.0 as a driver, or build a straight line car.) Yank the motor, and start building the turbo setup. And you'll end up doing the same brake/suspension upgrades as you would with a v-8 fox. Plus tranny, etc. Besides, fox 5.0's are a dying breed anyway. It'd be a shame to "downsize" one when theres already plenty of 4 cyl Stangs out there.
Just my .02
J
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Turbos were used in F1 for years, so I dont see how anyone can deny that turbos are VERY raceable. As far as Im concerned if you get too much wheel spin under boost, then you need an ugraded suspension and better tires, period.
Now, that being said...
You're better off buying a 4 cyl car and starting there. Not only will the car be in better shape and be dirt cheap, but the motor can handle a pretty good amount of power. You may have to replace the internals for real high boost, but the block should be fine for quite a bit of power. Also the Stangs suspension is gonna need so much work to autocross well, youre gonna replace nearly the entire suspension anyway. I wouldnt replace the 5.0 with a 4cyl turbo though.
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Cardinal Red '88 GT 5 speed, Cobra Upper/Lower, Dynomax complete Super-Turbo cat-back system, Turbo Coupe Rear 10" discs, 3:73 gears, SN95 Master Cylinder, Summit Racing adjustable proportioning valve, Spec Stage II kevlar clutch, steeda adjustable cable/quadrant, 73mm front calipers, P.A. Performance 130 amp alternator, 99 Contour Electric Dual Fans, Battery relocated, rebuilt 91 T-5, Mass Air conversion
Turbos were used in F1 for years, so I dont see how anyone can deny that turbos are VERY raceable. As far as Im concerned if you get too much wheel spin under boost, then you need an ugraded suspension and better tires, period.
F1 engines spin bloody high, the turbos were out of the lag zone at all turns making it more controlable.
F1 developments include ABS, traction control, disc brakes, EFI, electric radiator fans, sequential shift transmissions, active suspension, mass dampeners...
Converting a 5.0 into an SVO. 
