4.6 to ls1 swap - Mustang Evolution

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Old 11-14-2013, 08:49 PM   #1
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4.6 to ls1 swap

I hate to ask this (because I'm a diehard mustang person) but I threw a rod in my 2003 mach1 4v 4.6 and came across a ls1 with a trans from a friend for VERY cheap. Would anybody have any ideas on what all I would need for this swap? Any input is takin seriously. Thanks!
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Old 11-14-2013, 09:40 PM   #2
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Omg DO NOT DO THIS!!
Those swaps are for crapped out fox body's
DO NOT RUIN A MACH 1 COLLECTORS CAR WITH THIS ABOMINATION!
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Old 11-14-2013, 09:43 PM   #3
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Need a k member and some exhaust - get everything you can for the ls1 and budget + 20% of whatever you think you'll need- and to hell with purists and the like- nothin is to precious to cut up
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Old 11-14-2013, 09:58 PM   #4
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I seen something online saying all you need for putting it in was the motor mounts off of cobra block and should bolt right up to stock k member. But was hoping to find someone who has done this or someone who knows about them. I'm going to look into that, thanks for the input bud
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Old 11-14-2013, 10:02 PM   #5
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I am by NO MEANS a purist. I LOVE ls1s as much as the next guy. I appreciate a fine build regardless of brands.
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Old 11-14-2013, 10:10 PM   #6
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I hate to ask this (because I'm a diehard mustang person) but I threw a rod in my 2003 mach1 4v 4.6 and came across a ls1 with a trans from a friend for VERY cheap. Would anybody have any ideas on what all I would need for this swap? Any input is takin seriously. Thanks!
No bro not the mach
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Old 11-14-2013, 11:00 PM   #7
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I thought about it for the Bullitt, then i decided to just make it a show car.
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Old 11-15-2013, 12:33 AM   #8
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I'm going to be honest I just don't have the money to fix it with the same motor, that's going to cost a lot with the 4V modular motor. I'm getting the ls and trans for 600 bucks. Id rather do it the stock way but it be kinda cool to have a unique Mach I can say I built myself.
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Old 11-15-2013, 12:37 AM   #9
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I'm going to be honest I just don't have the money to fix it with the same motor, that's going to cost a lot with the 4V modular motor. I'm getting the ls and trans for 600 bucks. Id rather do it the stock way but it be kinda cool to have a unique Mach I can say I built myself.
this I completely understand. Sorry to be an ***. Mod motors are expensive
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Old 11-15-2013, 12:51 AM   #10
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this I completely understand. Sorry to be an ***. Mod motors are expensive
it's all good just figured I'd say why I couldn't do it the way I really wanted to
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Old 11-15-2013, 06:51 AM   #11
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Apparently this seems like a pretty simple swap.

According to the guys on LS1tech all you need is a K member and mounts or just mounts. Then a transmission crossmember and wiring. Also need a custom drive shaft.

This is actually a recent thread - 2000 mustang gt ls1 swap - LS1TECH

Here is for the AJE stuff - AJE Racing - Anthony Jones Engineering - Racing Suspensions
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Old 11-15-2013, 09:03 AM   #12
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Throw a cam on your LSx and you'll be faster than a 4v anyways
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Old 11-15-2013, 09:45 AM   #13
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Apparently this seems like a pretty simple swap. According to the guys on LS1tech all you need is a K member and mounts or just mounts. Then a transmission crossmember and wiring. Also need a custom drive shaft. This is actually a recent thread - 2000 mustang gt ls1 swap - LS1TECH Here is for the AJE stuff - AJE Racing - Anthony Jones Engineering - Racing Suspensions
Thanks man I apretiate the info.
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Old 11-15-2013, 09:58 AM   #14
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Throw a cam on your LSx and you'll be faster than a 4v anyways
I think even a stock LSx wouldn't have much issue taking out a 4v.

Cam it and run down some Terminators/5.0/Bosses. Cam and spray, run down GT500's.

In all honesty.. if you want a street/strip bruiser, go with an MS3 (Magic Stick V3) cam and a good tune. 400+whp, awesome sound and still pull down high 20's mpg on the highway/interstate.

For cams and things, go to Texas Speed Camshaft Package w/ Dual Valve Spring Kit

Also, depending on the year of your LSx an LS6 or Fast 102 intake can do wonders.
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Old 11-15-2013, 07:49 PM   #15
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LS6 heads and your choice of can with an LSX intake and your set
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Old 11-15-2013, 08:48 PM   #16
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LS6 heads and your choice of can with an LSX intake and your set
Hmm like a tin can or an aluminum can? Which has better performance?
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Old 11-15-2013, 10:16 PM   #17
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Cam* lol
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Old 11-15-2013, 11:29 PM   #18
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Cam* lol
I know I just like talking **** hahaha
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Old 11-15-2013, 11:36 PM   #19
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You just lost your Stang card
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Old 11-16-2013, 02:26 AM   #20
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You just lost your Stang card
+1. Hey I got an idea. Lets **** up a special edition mustang to celebrate the 50th anniversary!
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Old 11-16-2013, 02:49 AM   #21
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+1. Hey I got an idea. Lets **** up a special edition mustang to celebrate the 50th anniversary!
hey how about you buy him a forged rotating assembly so you stfu??

Don't want to?? Boo hoo jump off a cliff
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Old 11-16-2013, 05:00 AM   #22
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I'm going to be honest I just don't have the money to fix it with the same motor, that's going to cost a lot with the 4V modular motor. I'm getting the ls and trans for 600 bucks. Id rather do it the stock way but it be kinda cool to have a unique Mach I can say I built myself.
Or...sell the LS and trans, then purchase a Coyote for your Mustang. Around here the drift crowd are snatching up the LS for at least 2k and that's just the motor...add another $1500 minimum for a 5 or 6 speed manual transmission.
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Old 11-16-2013, 06:33 AM   #23
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Yeah I don't get people on here I asked got help if you don't have any then don't post anything, I wouldn't have a Mach 1 if I wasn't a mustang guy, not everybody is fortunate enough to fix the stuff back stock, which with these motors I'll be spending atleast 5-7k the ls motor stock has over 100hp more then the 4.6 anyway. Why not go with more power for less money? Thought that's the point of this anyway for me.
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Old 11-16-2013, 06:48 AM   #24
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Yeah I don't get people on here I asked got help if you don't have any then don't post anything, I wouldn't have a Mach 1 if I wasn't a mustang guy, not everybody is fortunate enough to fix the stuff back stock, which with these motors I'll be spending atleast 5-7k the ls motor stock has over 100hp more then the 4.6 anyway. Why not go with more power for less money? Thought that's the point of this anyway for me.
If you do it what are you going to do about the shaker are you going to fabricate some mounts or just get rid of it ?
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Old 11-16-2013, 08:27 AM   #25
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If you do it what are you going to do about the shaker are you going to fabricate some mounts or just get rid of it ?
Not sure on that part yet, fabricating something up won't be hard (it's basically what I do for a living) but thought about a cowl hood. I'll post some pics up once I start and finish the motor job.
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Old 11-16-2013, 08:34 AM   #26
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Or...sell the LS and trans, then purchase a Coyote for your Mustang. Around here the drift crowd are snatching up the LS for at least 2k and that's just the motor...add another $1500 minimum for a 5 or 6 speed manual transmission.
The cheapest I've seen a coyote go was for 3k minus the trans
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Old 11-16-2013, 09:03 AM   #27
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I've thought about doing this to my 98 gt. There's always gonna be Poople hating on doing it but they can kiss your *** when your beating their 3000 dollar set up with your cam only LS mustang . And tired2v on ls1tech has done the swap and done a complete write up on it. Seems like a fairly simple swap honestly.
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Old 11-16-2013, 09:07 AM   #28
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+1. Hey I got an idea. Lets **** up a special edition mustang to celebrate the 50th anniversary!
last I checked they don't give away motors. If you are concerned sponsor his build.
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Old 11-16-2013, 09:15 AM   #29
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last I checked they don't give away motors. If you are concerned sponsor his build.
Yes I'm not a big fan of doing it but if he got a good deal on a ls motor an can't afford a rebuild on a 4v (there not cheap) its his choice because its his car but if I was him I would but the old motor away and not sell it In case 1 day he wants to but it back in OP I hope it turns out great for you and yes post some pics from start to finish pls
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Old 11-16-2013, 09:44 AM   #30
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Damn-... Lots of hatin on this post..
I'll say one thing-
I build cars for a living- I have seen and heard some really strange things about cars and motors being swapped- an lsx in a Mach 1 is a cool idea regardless of being a ford or chevy or dodge or whatever guy... The 32 ford coupe came with a flathead making a whopping 75 horse with a lot of time and effort put into it- the first guy who put a sbc into one was probably talked to much the same way you are right now- forget everybody else and build YOUR car- good luck and have fun!
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Old 11-16-2013, 09:45 AM   #31
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Thanks for the positive feedback everybody, it's the motor and trans for 600 bucks I can't beat the deal, has 60k miles on it so why not. My block has a whole in it now so it's worthless. I'd rather fix it but dont have the money for the block, rotating assembly and possibly new heads. Lol ford likes those motors with the price of them
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Old 11-16-2013, 09:52 AM   #32
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Hey man if you're near jersey let me know - I may have some hands to Lend and parts
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Old 11-16-2013, 10:08 AM   #33
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Hey man if you're near jersey let me know - I may have some hands to Lend and parts
Thanks man but I live in texas lol
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Old 11-16-2013, 10:59 AM   #34
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I hate to ask this (because I'm a diehard mustang person) but I threw a rod in my 2003 mach1 4v 4.6 and came across a ls1 with a trans from a friend for VERY cheap. Would anybody have any ideas on what all I would need for this swap? Any input is takin seriously. Thanks!
Rod job ÷]„„ how did it happen¿

---------- Post added at 09:59 AM ---------- Previous post was at 09:55 AM ----------

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The cheapest I've seen a coyote go was for 3k minus the trans
Whete in the world did did you find that¿
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Old 11-16-2013, 10:59 AM   #35
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Wait wait....

Question....

How did you snap a rod?

What are your mods?
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