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Old 12-03-2009, 01:28 PM   #1 (permalink)
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Default Modular engine swap in a 1968 mustang....


Hi ! Does any of you guys have any info on Swaping a 4.6/5.4 modular engine into a 1968 Mustang?? Any pics or links? thanks!!!
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Re: Modular engine swap in a 1968 mustang....
Old 12-03-2009, 01:30 PM   #2 (permalink)
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I saw a small article about a 03-04 Cobra drivetrain transplanted into a 67-68 Fastback a couple of months back in a hot rod mag. I need to go back and look through the stack and see if I can locate it.

There was also I guy who took a 65 Fastback shell and incorporated it into an 03-04 Cobra with all the suspension, interior, etc. Called it SN65 http://www.sn65.com/SN65%20chronolog...er%2006-06.htm It is a thing of beauty.
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Re: Modular engine swap in a 1968 mustang....
Old 12-06-2009, 04:12 PM   #3 (permalink)
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That SN65 has been around for awhile and I have seen a few more around. I am not sure of what entirely is needed but I am sure the shock towers will need to be removed and a different suspension setup for the front is needed. I am not sure if a 2v 4.6 can fit in with the shock towers but I am pretty sure all of the other modulars wont fit with the shock towers in there.
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Re: Modular engine swap in a 1968 mustang....
Old 12-12-2009, 12:10 PM   #4 (permalink)
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I think if a 67 had a 390 in it stock, it shoud be able to fit a 4.6 in it.
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Re: Modular engine swap in a 1968 mustang....
Old 12-12-2009, 12:16 PM   #5 (permalink)
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I think there is room. I am going to try it in a 67 coupe. just havent found the right wrecked car for the equipment yet
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Re: Modular engine swap in a 1968 mustang....
Old 12-12-2009, 12:20 PM   #6 (permalink)
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good luck.. if anything you can MAKE it fit
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Re: Modular engine swap in a 1968 mustang....
Old 03-09-2010, 08:06 PM   #7 (permalink)
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the 4.6 is too wide to fit in a 65/70 Mustang with shock towers. It's wider than the Boss 429!
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Re: Modular engine swap in a 1968 mustang....
Old 06-11-2010, 08:16 PM   #8 (permalink)
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Heres Cdc's 68 with a 5.4 shelby motor in it. AWESOME!!!!
Classic Design Concepts - CDC Flashback
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Re: Modular engine swap in a 1968 mustang....
Old 06-14-2010, 10:43 AM   #9 (permalink)
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Like these guys have said, even though a 4.6 is only a 281 it's a lot wider than the old pushrod motors.

The best/easiest way to do it is to remove the strut towers completely and go to an SLA front suspension. You can buy them aftermarket or find an old Mustang II that used SLA.

After you get it set in the bay you'll have to measure for the transmission. I always go for manuals so the best route here would be to go with a T56. It's a little bulkier than a T45 or TR3650 but it's well worth it. The shifter is in the same location on all three transmissions.

Then you'd have to get your driveshaft squared away. You'd probably be able to just get the correct flange on the differential side and have it cut to length.

And finally you get the fun task of wiring it. I would think it'd be the easiest to just get a donor car and strip all the wiring out of it and use the ECU, gauges, wiring, etc. that way you'll eliminate a lot of the bugs from trying to piece something together. Unless you've wired projects like this before, then by all means go the custom wired route
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Re: Modular engine swap in a 1968 mustang....
Old 01-07-2012, 12:37 AM   #10 (permalink)
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I'm thinking of doing the same thing with the Boss 302 that Ford racing is offering now. They sell the wiring setup and all, just have to figure out how to shoehorn the engine into the bay without destroying it.

Removing the shock towers for a new set up seems best since I would like a modern suspension. Basically run through the entire car back to front. Can't wait to get my car when i get back to the states. 5 months is going to be torture!
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