5.0 vs 4.6 performance. which one. - Ford Mustang Forum
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post #1 of 25 (permalink) Old 09-29-2011 Thread Starter
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5.0 vs 4.6 performance. which one.

I have a 2002 mustang and neeed to drop an engine in it. I have the block for the 4.6 thats bored .20 over. but i also have a 94 gt. 5.0 stock still running
im curious which one to have rebuilt into something mean. I dont want anything stock or id go with the 4.6 and save the headache of all the wiring

I posted this to the 4.6 forums. and everyone said 4.6. so I am curious what I would get if i post on the 5.0.

THank you!
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post #2 of 25 (permalink) Old 09-29-2011
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It's whatever floats your boat, period. The 4.6 is, in stock form, a more capable block (aka, can safely house more HP). But that said, there are aftermarket 5.0 blocks that are immensely stronger still.

Now you say you have a '94 GT still running... Why not just leave that one alone? I assume it's a complete and ready car.

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post #3 of 25 (permalink) Old 09-29-2011 Thread Starter
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I dunno. i got untill march to put an engine in the car. so id like to get started soon on the rebuild
ive heard from everyone locally here that the 5.0 would be cheaper and better quality engine. but idk cuz with the 4.6 alot people say is better.
basically question is which gives more horsepower for the buck.

and the 5.0 runs but is in my totaled car. totaled it a year ago and orginally plan was to swap this engine right into the 02 but hesitant. need help.
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post #4 of 25 (permalink) Old 09-29-2011
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Power for the buck? I don't think there is a winner, at least from where you're at.
Swapping in the 5.0 drivetrain would be much, much, much easier since you have a complete donor car.
If you were to go the 4.6 route, after you actually built a complete motor (a couple thousand dollars at least), you would have to get everything else to swap it into the car - wiring harness, transmission, computer, ect. There is a few thousand you could have put into the 5.0.
I assume the roller car you have was a V6?

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post #5 of 25 (permalink) Old 09-29-2011
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personally id stick with a good ol 5.0! there readily available and easy to build. you can build A RATHER SOILD 347 for 1500. strap on a good set of heads and cam, bam you gotta good motor i ppersonally hate the 4.6 mod p.o.s lol my wife has a 99 gt i have an 89&93 gt. guess witch one is a pain to work on? personally 5.0 all the way man!

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post #6 of 25 (permalink) Old 09-29-2011 Thread Starter
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yea didnt mean to say power to the buck that does make no sense.
The 2002 mustang is a v8 but the guy i bought it from blew up the engine and only thing salvage able is the block thats bored .20 over

so basically i could keep the 4.6 wiring in it and just rebuild engine or switch everything from the 5.0 into it but i dont want a stock engine. i want something with some more power. i got a couple grand towards the rebuild

the 2002. i have a king cobra clutch with less then 2k miles on it. diablo tuner. k.n cold air intake tranny. and all theother bolt ons for the engine( just needs everything internal) where 5.0 is still put together stock with 140k miles on tranny and 80k on clutch but all in one piece running. but i def. want to rebuild one of them, just dunno which one?

sorry if this is all confusing.
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post #7 of 25 (permalink) Old 09-29-2011
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So the real question is to either fix/rebuild/replace the 4.6 that's in the car right now or swap to a 5.0. Is the correct thinking?

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Originally Posted by dennyroth View Post
so basically i could keep the 4.6 wiring in it and just rebuild engine or switch everything from the 5.0 into it but i dont want a stock engine.
No. Motors that different will require different wiring.

'94 Laser red 'vert. Still a 5-oh... for now
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post #8 of 25 (permalink) Old 09-29-2011 Thread Starter
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kind of.
either way i need to rebuild either engine cuz the 5.0 thats running needs to be brought back to life. it has 150k miles on it.

so real question would be which engine do people perfer.

and rebuilding the 4.6 i have been looking around seems to cost twice as much as the 5.0
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post #9 of 25 (permalink) Old 09-29-2011 Thread Starter
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now if i would go with the 5.0, 347 or the 331. lol
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Quote:
Originally Posted by dennyroth View Post
so real question would be which engine do people perfer.
Does this question really have to be asked? Of course the people here are going to say the 5.0 and the people in the 4.6 section are going to say the 4.6.

If you have the budget, sure, swap so the car will accept a SFB. From there, start with a 4-bolt Dart 9.5" deck block, a 427 stroker kit, a 80+mm turbo, and blow any mod motor Mustang out of the water.
But seriously, if I was in your situation I would build a good 4.6, drop it in the car and call it good. List the '94 on craigslist and make some money.

'94 Laser red 'vert. Still a 5-oh... for now
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Swap this 5.0 in and call it a day. 2011-2012 Mustang Ford Racing 5.0L Crate Engine, M-6007-M50 at LRS - Same Day Shipping!


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Really it comes down to what do you want or expect from your car?
HP?
Driveability?
1/4 or track?

What kinda budget and that will help answer a few other questions.

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Quote:
Originally Posted by YLDPONY View Post
Does this question really have to be asked? Of course the people here are going to say the 5.0 and the people in the 4.6 section are going to say the 4.6.
I say build the 4.6 i cant really give the OP a good reason why but i would personally build the 4.6 since ive already built a 302 and would like to venture into building something newer and modular.

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Quote:
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I say build the 4.6 i cant really give the OP a good reason why but i would personally build the 4.6 since ive already built a 302 and would like to venture into building something newer and modular.
I meant the general consensus. That wasn't counting odd ball comments from members such as yourself

Haha, and I pretty much told him to stick with the 4.6 too, so whatever that's worth....

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Quote:
Originally Posted by JMertins View Post
I say build the 4.6 i cant really give the OP a good reason why but i would personally build the 4.6 since ive already built a 302 and would like to venture into building something newer and modular.
+1 on this. If your gonna build the 5.0 build it in the 94 stang.
otherwise just build the 4.6. They are good engines as is the 5.0. Personally i like the 5.0 but if everything is designed for a 4.6 just save the hassle and through in the built 4.6.

unless you want to drop a 2011+ 5.0 engine in it. Which would be pretty awesome.

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2002 mustang , 5.0 , 5.0 vs 4.6 , mustang , racing engine

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