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-   -   1996 Mustang 3.8 to 4.6 (https://mustangforums.com/forum/4-6l-1996-2004-modular-mustang/399132-1996-mustang-3-8-to-4-6-a.html)

flstci71 01-27-2008 01:19 PM

1996 Mustang 3.8 to 4.6
 
Has anyone here ever converted an SN95 Mustang (1996) from a 3.8 and AT to a 4.6and AT or know what's involved? I thought I had all the parts, but posted this question on a local forum and received a ton of conflicting answers. Some even suggested it would be easier to convert to a 5.0 as it would bolt right up to the 3.8 automatic. Anyone ever done it or have any words of wisdom? I'd be glad to discuss it here, via PM or via email. Thanks.[/align]

H0SS302 01-27-2008 01:23 PM

RE: 1996 Mustang 3.8 to 4.6
 
you going to need a lot of stuff.

short list:
motor/tranny(if needed)
harness
8.8 rear end
exhaust system

n thats just getting started, there are tons of things that are gonna nickel n dime your ass to death. just sell the 6er n get a ready made gt

96GT226410 01-27-2008 02:25 PM

RE: 1996 Mustang 3.8 to 4.6
 
It would be cheaper to buy a GT, either 5.0 or 4.6 Stangs can be found pretty cheap.

945LSTANG 01-27-2008 03:59 PM

RE: 1996 Mustang 3.8 to 4.6
 

ORIGINAL: 96GT226410

It would be cheaper to buy a GT, either 5.0 or 4.6 Stangs can be found pretty cheap.
+1

ive seen 96 GTs go for 4000 witha little over 100kmiles.

flstci71 01-27-2008 04:09 PM

RE: 1996 Mustang 3.8 to 4.6
 
Thanks for the good advice so far and starting fresh would be the intelligent way to go, however.... I probably should have elaborated to begin with. I justdidn't want to get too wordy. This car has some sentimental value as it was my daughter's graduation present several years ago. It's a relatively low mile convertible that has been stored winters, so we'd kind of like to hang on to it. I already have a 1996 Mustang4.6 motor with all accessories, motor mounts, 6-cat H-pipe, wiring harness, EEC, automatic tranny, double hump crossmember and driveshaft. As I said, it's my daughter's car and the motor will remain stock, so the 7.5 rearend will be just fine.Anyone else have anything to add?Keep in mind it doesn't have to be intelligent advice. LOL.

945LSTANG 01-27-2008 04:15 PM

RE: 1996 Mustang 3.8 to 4.6
 
IMO the swap is just not worth the effort.

mustangman02232 01-27-2008 04:24 PM

RE: 1996 Mustang 3.8 to 4.6
 
not really worth it, motor, tranny, motor mounts, radiator, powersteering pump, AC compressor, alternator, suspention rear end, tranny, shifter, driveshaft, PATs will have to be reprogramed, guage cluster, and a probably a few other small things

you will get more power out of finding a used supercoupe motor then anything

BraMas 01-27-2008 05:52 PM

RE: 1996 Mustang 3.8 to 4.6
 

ORIGINAL: flstci71

Thanks for the good advice so far and starting fresh would be the intelligent way to go, however.... I probably should have elaborated to begin with. I justdidn't want to get too wordy. This car has some sentimental value as it was my daughter's graduation present several years ago. It's a relatively low mile convertible that has been stored winters, so we'd kind of like to hang on to it. I already have a 1996 Mustang4.6 motor with all accessories, motor mounts, 6-cat H-pipe, wiring harness, EEC, automatic tranny, double hump crossmember and driveshaft. As I said, it's my daughter's car and the motor will remain stock, so the 7.5 rearend will be just fine.Anyone else have anything to add?Keep in mind it doesn't have to be intelligent advice. LOL.
It sounds like you have everything you need. It's to bad you are putting in a 96 4.6. You would have been better off putting in a 99 up.
Just out of curisity why didn't you slap a S/C or turbo on that thing and call it a day. You would have had more HP and TQ than the NPI your putting in there now and it would have been easier. and Cooler:D

mustangman02232 01-28-2008 09:52 AM

RE: 1996 Mustang 3.8 to 4.6
 
your at a minumum going to need a detroit true trac for the rear end, the stock open diff or FFRP tlock will not handel it, i blew the spider gears out of my stock open diff with a stock split port auto[8D]


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