Thread: 351 swap
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Old 08-17-2004, 07:02 PM   #2
Ieatcamaros
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Join Date: Apr 2002
Location: KY
Posts: 973
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I am bound to leave something out here. First you need the motor, of course. If you are going to go through all the trouble, I would rebuild one or buy a shortblock. Me, I would build it. You can get a good complete motor out of a F150 and use everything but the upper intake and oil pan. Plus, you will have all the brackets necessary to keep the accessories. I am not for sure on the lower intake. Can someone else vouch for this? I would not use it anyway. I would get the one from trick flow, or use one from the lightning. You will need to get the ford racing 351w fox body swap oil pan. Your 302 pan will not work. The 351 oil pump is longer and wider and will not clear the bottom of the pan without major modification. The oil pan is only $150 from summit. It comes with the pickup tube and dipstick. This is major depending upon what year motor you get. The 351 is a front sump motor and the dipstick tube is in the timing cover. This won't work on a fox body car. Next, you will need some headers. Actually, stock mustang headers will work. I used them myself until I got my longtubes. They will cost you about $230 for shorties and $340 for longtubes. If you get longtubes, you will have to buy a new h/x pipe. Your transmission and bell housing will bolt right up to the 351. If you get an old motor and want to use the t-5, you will need a new flywheel or clutch cause they were 10" clutch then. And they were 28oz imbalance. Your mustang flywheel is 10.5" clutch and 50 oz imbalance. Ram makes a flywheel just for this application ($230). If you get one of the later model motors(81-95), you can use your stock mustang flywheel and clutch. One more thing, if you aren't already mass air, convert now.
It is best to buy a complete motor and use what you need from it. Extra parts are better than not having the one you need. Use stock mustang convertible motor mounts. They let the motor sit a little lower in the car. There are a lot of variables here. How much you looking to spend? Will you be doing the work yourself? This is an easy swap, trust me.
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