5.0 to 4.6 swap - MustangForums.com

5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

5.0 to 4.6 swap

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Old 07-24-2010, 11:55 AM
  #1  
94gtcoupe
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Question 5.0 to 4.6 swap

looking for a little advice search feature didnt help much...

i have the option to buy a built 4.6 from a friend for a good price and was considering the swap, tools and mechanical know how are not a problem. just want to know what else i'll need other than the motor and more than likely the trans. (not 100% if my t5 will bolt up) motor comes with harness ecu and acessories...

so what else will i need
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Old 07-24-2010, 12:59 PM
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AdderMk2
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Originally Posted by 94gtcoupe View Post
looking for a little advice search feature didnt help much...

i have the option to buy a built 4.6 from a friend for a good price and was considering the swap, tools and mechanical know how are not a problem. just want to know what else i'll need other than the motor and more than likely the trans. (not 100% if my t5 will bolt up) motor comes with harness ecu and acessories...

so what else will i need
K-member, transmission, body harness, fuel system, returnless fuel system electronics...

far too much work to justify the increased cost of modifying the engine...
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Old 07-25-2010, 08:34 AM
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aode08
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Do you want more power with your SN-95?
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Old 07-25-2010, 02:49 PM
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94ford5liter
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why would you want to go to a 4.6 in the first place? Unless you are talking about a 03-04 cobra engine or something that actually makes good power.
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Old 07-25-2010, 10:30 PM
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w8less
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DOHC or not at all
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Old 07-25-2010, 10:32 PM
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oh yea quicktime makes a bellhousing so use your t5
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Old 07-26-2010, 06:37 PM
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94gtcoupe
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the reason i want to swap is because the power i want is unattainable with a stock 5.0 block... the motor im considering made 475whp and was built by a good friend.

the work is not a problem im a tech. at a local ford dealership just wasnt sure exactly what all i would need to change to pull off the swap

i knew i would need a kmember and a bigger fuel pump, just forgot to mention that, but y would i need a body harness and a returnless fuel system when i know that all fuel injected motors have a return line
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Old 07-26-2010, 06:44 PM
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AdderMk2
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Originally Posted by 94gtcoupe View Post
but y would i need a body harness and a returnless fuel system when i know that all fuel injected motors have a return line
then you should learn that you are quite friggin wrong. Depending on the year the engine came out of, it could be exactly that.

i know we used to be friends, but you seem to not know **** for being a "tech"

Just something for you to look into IF you decide to build a fuel system. You will need 96-98 fuel system parts, or aftermarket ****

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Old 07-26-2010, 07:11 PM
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aode08
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Originally Posted by 94gtcoupe View Post
the reason i want to swap is because the power i want is unattainable with a stock 5.0 block... the motor im considering made 475whp and was built by a good friend.

the work is not a problem im a tech. at a local ford dealership just wasnt sure exactly what all i would need to change to pull off the swap

i knew i would need a kmember and a bigger fuel pump, just forgot to mention that, but y would i need a body harness and a returnless fuel system when i know that all fuel injected motors have a return line
building 475 rwhp with a 4.6 is not gonna work out for you without spending a million dollars.

The forged internals, heads , supercharger or turbo, its not going to do it N/A, transmission conversion and upgrades etc will easily exceed $10,000 with a modular, providing you do the labor.

You can swap in a Dart Block , with 427 Stroker kit,351w conversion items, built tranny and have a 427 for 26+% less than that.
Or supercharging a 331 or 347 /355 Forged Assembly in a dart block with tune and built tranny, axles.
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Old 07-26-2010, 08:03 PM
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94gtcoupe
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im not here to debate if a 4.6 can or cant do, i now remember y i left here the first time, every one wants to tell you not to do **** rather than answer the questions asked, i watched the car make 475 no its not n/a... and no the turbos dont come with it thats a later project, i know all the modifications needing to be done to the body and suspension, yes i could build a 427 but between the block internals and top end its not going to b any cheaper considering ill still have to do most of the same modifications to ensure the cars doesnt pull itsself apart
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