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  1. #1

    Default I6 to 5.0 questions

    I have read just enough "you can put a v8 on a I 6 K member to get me to want to do it, but can't find anything in depth enough, does any one have a link to a thread? one guy said you have to modify the mount horns and one guy said it bolts right in,? using F150 mounts(what year? frame or motor mounts) pictures of mods needed to frame horns
    don't bash me or waste my time if you don't know how to do it keep quiet im looking for the 2 or 3 guys that have done it with knowledge to help me i can read good if you just want to link me to a thread that was done on it Im good with that but couldn't find anything using search

  2. #2
    FEP Power Member Ltngdrvr's Avatar
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    Well, since you asked soooooo nicely...

    I did my 79 Zephyr and tried a number of different motor mounts and still ended up having to slot the holes in the frame to get it in.

    You can search my threads and read them, unfortunately, my pics from that swap are mostly gone, the gallery they were in went away.

    As to the frame horns where the 6 bolts up, you don't "have to" cut them off to drop the 5.0 in but they will be sticking out there otherwise. I cut 6 or 7 inches off, as I recall. But, that was back in like '08-'09, and an old man's memory doesn't always hold up.
    1979 Zephyr, EFI GT40P 5.0, Mac longtubes, Dynomax exhaust, AODE transmission, 3.27 geared 8.8, subframe connectors, Lakewood uppers/lowers, trunk mounted battery, fuel cell >
    < My Photo Galleries: http://s474.photobucket.com/user/Ltn...?sort=3&page=6
    More GT40P info than you ever wanted to know...http://forums.corral.net/forums/show....php?t=1014187

  3. #3

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    thank you very much, i will look through your threads, I was trying to be nice ,,, really sometimes people heard from a friend who heard from a friend who heard from another that it can't be done but i know it can and people like yourself were the people i was looking for ,,, not the Nay sayers thank you again

  4. #4
    FEP Super Member xctasy's Avatar
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    The k-member can be trimmed back..

    Quote Originally Posted by ratio411 View Post
    You cut off the 2 forward protruding horns, and elongate the existing holes for use with F150 engine mounts, and it fits like a glove. After that the I6 K-member accepts all the Fox body goodies for suspension and brakes. That is all there is to it. When you cut down the protruding parts, there are no interference issues at all.

    We have a V8 in ours with Fox body equal length headers, stock starter, no relocation of oil filter, quick ratio Stang rack, huge Stang front sway bar, Mustang accessory package, ect so on...

    Easy cheezy, and still tough as nails.


    You'd be suppised just how much....one instance here from rhd82glx showed a trim back and weld job for the 138 hp 2-bbl 183 cubic inch British 60 degree Essex V6 they used in 1970-1977 British Ford Granadas, along with the same cars Adwest/Ford Granada power steering rack used in the Right Hand Drive conversion. It used Land Rover/Vauxhall/Ford barrel type engine mounts, common to the 2 liter Pintos. So you can shift the engine mounts forward 6 in line style, or way, way back, English V-6 style. You can do whatcha wanna do with blue clues.....

    http://vb.foureyedpride.com/showthre...e-Six-k-member

    Quote Originally Posted by rhd82glx View Post
    Sorry guys should have included some pictures.
    See as well

    http://vb.foureyedpride.com/showthre...80-i6-K-member
    http://vb.foureyedpride.com/showthre...T-SEEM-TO-JIVE
    http://vb.foureyedpride.com/showthre...n-the-K-Member


    http://vb.foureyedpride.com/showthre...K-member-issue

    Quote Originally Posted by xctasy View Post
    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.

    Like this



    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.

  5. #5

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    thank you Exctsy, what i was looking for was in what you Posted,,, here it is for ease of me finding it and others looking for the same thing http://fast-fairmonts.weebly.com/engine-swap-info.html i really appreciate it,, thanks again,, Timmy

  6. #6

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    an update,,, I did it just as the fast fairmonts page stated, it worked fine had a couple of "it happened in my case" things to pass along i used a 79 v8 car that ran and drove as a parts car for my swap, i used the f150 mounts it really didn't matter which of the 2 blocks of years you used for the swap as long as they are for the 302 in an f150. i used the radiator, alternator fan and spacer as well as the fan shroud from the straight 6 car in the final product. i also had to use the straight 6 c4 driveshaft, the drive shaft from the v8 c4 would not fit after the v8 and c4 was moved to my straight 6 car. i used the rear axle out of the v8 car as well because it was a 3.55 limited slip 8.8. i had to cut off the horns and slot the holes.I used the hearders and complete exhaust pipes from the v8 car to passenger side is making contact with the kmember and it took some pushing here and pulling there to get them on there but they fit. i could have used the power steering pump and all too but i cut it off because i cut one of the steel lines when cutting the horns off the straight 6 in 79 had v belts but the v8 in 79 had serpentine so i bought an alternator bracket did away with power steering redrilled the holes on the waterpump and used the pulley from the serpentine on the straight 6's alternator , i have about 1000 miles on it already and its going just fine
    Last edited by thmpsn70; 11-15-2015 at 08:23 PM.

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