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.

5.8L Swap

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Old 11-25-2003, 08:30 PM
  #1  
Mustang88LXKid
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Ok well here is the story I was thinking about a 331 stroker for a my88 lx5.0 and the price for stroker kit is like 1600.00 for the pistons (forged), forged steel crankshaft, rings etc etc. So I looked up the horsepower gains and they were that significant. So I went to thinking that what if I could swap in a 5.8L EFI engine from a F-150. My question is will it fit without hacking stuff out? Because I don't want to take any of my firewall or move everything around.</P>


Thanks</P><edited><editID>Mustang88LXKid</editID><editDate>37950.7715277778</editDate></edited>
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Old 11-26-2003, 01:47 AM
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Also if anyone knows how easy it would be to put in a 5.4 v8 in a 87-93 mustang gt
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Old 11-26-2003, 02:27 AM
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Jugador1
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the 302 is nothing to be ashamed of unless you just wanna say you have an uncommon engine in your car. best bet is to look up a website that shows a step by step of how someone else did those projects.
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Old 11-26-2003, 02:33 AM
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horatio102
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If you're going to go through the trouble of swapping, forget the 351 and do a 460.
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Old 11-26-2003, 01:40 PM
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Originally Posted by Mustang88LXKid

Ok well here is the story I was thinking about a 331 stroker for a my 88 lx 5.0 and the price for stroker kit is like 1600.00 for the pistons (forged), forged steel crankshaft, rings etc etc. So I looked up the horsepower gains and they were that significant. So I went to thinking that what if I could swap in a 5.8L EFI engine from a F-150. My question is will it fit without hacking stuff out? Because I don't want to take any of my firewall or move everything around. </p>


Thanks</p>
if your going with the 351 i think all you really need is convertible motor mounts. since the 351 is alittle taller. it should be adirect boltin. your exhaust should work intake i think and etc. and the 5.4 is too large for the hood. it will stick out of a 4"cowl hood. and the 460 is just plain heavy. and if you would hook with the 460 you would probably rip apart your torque boxes and maybe your body.
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Old 11-26-2003, 07:15 PM
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I have a 351W in my car and it bolts up to the regular motormounts buy then it wont fit under the stock hood you have to get a cowl. If you want a stock hood get vert motormounts and it will fit depending on what intake you put on if you want a trickflow intake you have to have a cowl anyway.
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Old 11-26-2003, 08:41 PM
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460 is like 200 pounds heavier and a really easy fit. So I've been told anyway. I think there are a couple around town.
I'd go 460.
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Old 11-26-2003, 09:07 PM
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94gtchris
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will a EFI 351 fit in a 94 gt,f**k it what about a 460?I have access to a 428 cobra jet what about that?</P>


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Old 11-26-2003, 09:20 PM
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I'm not 100% sure, but since the 460 is almost a direct drop in for the 302 it should fit. The 428 I'm don't know at all. Isn't the 428 pretty much the same block as a 460 (previous generation or something?).
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Old 11-26-2003, 10:29 PM
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Originally Posted by 94gtchris

will a EFI 351 fit in a 94 gt,f**k it what about a 460?I have access to a 428 cobra jet what about that?</p>


</p>
you would need a hood. since the intake is already altered for that body. see you have curved piece for the intake.
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