No I6 x member is a good candidate for a V8 swap. But American smarts and Fords native cunning over interchangable parts allow the conversion to accur with no non Ford bits, so its sure possible to dump a V8 in any stock 3.3 crossmember. On some V8 and V6 applications, you have to shift bits.
There are a few limits, though. Asside from the awfull ackerman missmatch because Ford refused to change the angles for the short wheel base until the late 80's Mustangs.. The stock spec is the 4c yl spec brakes, spindles and lousy geometry, but you can get around those easily enough.
Its the further forward horns/perches/mount bases that make a swap an occasional problem. Its just that the I6 mounts aren't V8 and V6 friendly, and in some instances they are a collision point, requiring lines, whole components to require shifting in some applications. You trim them back with an angle grinder to the same profile as the stock V8/V6/4-cylinder mounts.
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What is cool about the 1978 to 1983 T,B and X code crossmember is that those long I6 mount perches can take F150 mounts
, and you could fit any Ford V8 or even 250 I6 or , with some sump and oil pump clearancing work, the huge 240/300 I6. With the Cologne V6, ancillaries can collide with those horns. Thats why Ford changed them with the Fairmont I6 frame. Do you think Ford would change a part for no reason
The V8/V6 and non Super Coupe I4 ones have the short motor mount horns. They effectively mean you cant mount some front accessory packages, such as some of the later EFI without changing the engines ancillary mounts. The neat low mount aftermarket Sandown A/C compressors often hit the frame mount, and need a trim back.
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