94 MK VIII Teksid into 67 Fairlane

2383 Views 58 Replies 8 Participants Last post by eschaider, 2 mo ago

stephen.osborne1

Discussion Starter · 7 mo ago

I recently acquired my 67 Fairlane and shortly thereafter a 94 MK VIII with high miles but in running condition. I've read about some similar swaps on the forum but none specific to the 67 Fairlane. I'm in the research and planning phase now.
The donor runs ok but has 214,xxx miles. Planning to rebuild at least the top end and timing set. Considering bottom end honing, bearings, etc. Planning to use as much as possible from the Lincoln.

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eschaider

· #41 · 6 mo ago

The difference in the Mod and Coyote cranks is the #5 thrust main. This is a shenanigan you will be better off not playing around with. Manley will sell you a new 4340 forging with full radius journals on both rods and mains for a grand. They also sell complete rotating assemblies with crank, rods, pistons, and rings fully balanced and ready to go. This is by far the short way home.

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stephen.osborne1

Discussion Starter · #42 · 6 mo ago

eschaider said:
The difference in the Mod and Coyote cranks is the #5 thrust main. This is a shenanigan you will be better off not playing around with. Manley will sell you a new 4340 forging with full radius journals on both rods and mains for a grand. They also sell complete rotating assemblies with crank, rods, pistons, and rings fully balanced and ready to go. This is by far the short way home.

Definitely leaning towards this... Seems like a lot of coin at first, but in the long run I'm betting it gives you the best bang for your buck. Less heartburn with mismatched parts too.
I'm trying to decide what compression ratio I should be aiming for as well. I don't want to go with dished pistons as I may not get to add boost for some time and want a reasonable na runner in the meantime. Should I stick with stock CR? Can I go with flat tops and still add (a little) boost later? I want to run pump gas obviously and don't want a ton of boost for longevity. 6-8 pounds tops. Thoughts?

eschaider

· #43 · 6 mo ago

You want a c/r between 8:1 and 9:1 for a boosted engine and 10:1 for a n/a engine. You can fudge the numbers to your heart's content, but when you are all done, the reliability will be within those c/r's. Because you are initially an n/a build, I would consider going with Manley for everything. Later if you put a blower on the engine I would use Gibtec pistons. If you do a piston swap later for a boosted build, it means pulling the engine down to get the rotating assembly rebalanced.

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lou.bourget

· #44 · 4 mo ago

DOHCF100 said:
I’m almost done installing a 1993 Mark VIII engine in my 79 F100
I’m running a Holley Terminator X max, Dakota Digital Mark VIII custom instrument cluster with a pair of mid mounted STS twin turbos, I swapped out the cams from a Mustang Cobra engine, installed new timing chain kit along with a new Melling billet oil pump and changed out the pan to a 7qt Moroso aluminum pan and installed a Tuff Stuff 225amp alternator to power all the add ons.
Fatman Fabrication IFS under the front and 95 Town Car 8.8 rear with 3:73 Detroit locker, four linked sitting on bags. View attachment 176257
View attachment 176256
View attachment 176258

Sweet that's going to be a nice ride when done

stephen.osborne1

Discussion Starter · #45 · 3 mo ago

Ok, finally making some progress. Got my daughter's explorer done and out of the shop a couple weeks ago. Spent a few hours this morning working on getting this BEAST of a motor out of the MK VIII. Just about ready to pull the k member bolts and lift the body off the motor and transmission. Wife's giving me a hand.... Might have to wait until next week to finish it. Didn't realize those bolt heads are like a t60. Don't have a female torx socket that size.

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stephen.osborne1

Discussion Starter · #46 · 2 mo ago

Got back in the shop today after working a local gun show all last weekend and this morning.... Finished pulling, or rather, dropping, the motor and transmission. Hope to pull apart the motor tomorrow and get the bottom end sent out for machine work. Heads can wait a little while. I have to get them done at another machine shop... The guy doing the block owes me some work but doesn't work on OHC heads.

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lou.bourget

· #47 · 2 mo ago

That is going to be a sweet project. I was wondering did the Lincoln with the b.heads eventually put the throttle body in the center of the manifold. It would be easier to do a swap. I have three manifolds and they all have it in the back.

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stephen.osborne1

Discussion Starter · #48 · 2 mo ago

lou.bourget said:
That is going to be a sweet project. I was wondering did the Lincoln with the b.heads eventually put the throttle body in the center of the manifold. It would be easier to do a swap. I have three manifolds and they all have it in the back.

My TB is also in the back... Planning on using the Cobra intake.

lou.bourget

· #49 · 2 mo ago

stephen.osborne1 said:
My TB is also in the back... Planning on using the Cobra intake.

stephen.osborne1 said:
My TB is also in the back... Planning on using the Cobra intake.

Yes I was lucky enough to get two Cobra intake. They look really good. A little bit taller hopefully you don't run into hood clearance issues. I used one on the budget engine I built and the other one will go on a turbo engine I will be building. Keep up the good work 👍

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stephen.osborne1

Discussion Starter · #50 · 2 mo ago

lou.bourget said:
Yes I was lucky enough to get two Cobra intake. They look really good. A little bit taller hopefully you don't run into hood clearance issues. I used one on the budget engine I built and the other one will go on a turbo engine I will be building. Keep up the good work 👍
I'm considering turbo(s)... Do you know what setup you are using?

lou.bourget

· #51 · 2 mo ago

I haven't decided yet I'm in the process of helping a friend with his. He managed to get a 03 cobra crankshaft and rods I had some manley pistons and texid block I sold him. He is also running b.heads and 96 cobra intake. He wants to go with a single turbo. And Holley control. I will talk to a tuner I know maybe he can help us get on the right track.

mercenvy_3114

· #52 · 2 mo ago

lou.bourget said:
That is going to be a sweet project. I was wondering did the Lincoln with the b.heads eventually put the throttle body in the center of the manifold. It would be easier to do a swap. I have three manifolds and they all have it in the back.

The 2nd Gen Lincolns did move the TB to the middle location.

stephen.osborne1

Discussion Starter · #53 · 2 mo ago

Spent some more time in the shop this morning working on stripping down the motor. Still not done as I also am dealing with a sick pup... Not fun.
Found a mouse nest in the valley. Nothing I can see was chewed, thankfully.

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Also bit the bullet on a cobra intake I found on another forum for a good price with gaskets. Guy also has a Forged crank I may get as well. Eventually.
So weird the way the catalytic converter is integrated into the driver's side manifold. Wonder if I should scrap all 3 cats or hold on to them for potential future use. The plan is for headers, and possibly forward facing for a turbo or two.

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lou.bourget

· #54 · 2 mo ago

Engines can sure become a messy thing to work on. They look really good when all cleaned up. I think that one will be really nice in the Fairlane. I also think you should get the Cobra crankshaft if it is available. I recently refresh a 97 two valve for a f150. I sold the truck but still haven't sold the engine. I have a 1953 international I'm thinking of installing it in. I have to decide if I want to use factory pcm or go with aftermarket control. Keep up the good work on yours.

stephen.osborne1

Discussion Starter · #55 · 2 mo ago

Got the motor and transmission separated and out of the cradle. Damn torque converter nuts were goobered up and rolled. Got 3/4 off but still working on the last one. Should have some time this weekend to get it torn down further. Want to get it into the machine shop.
Cobra intake came in a few weeks ago too. Gotta work on getting it polished up. Eventually.

Metalriff

· #56 · 2 mo ago

I have a 1969 Fairlane getting a 4.6. You will need to do a mustang 2 front end or similar to remove the shock towers.

Metalriff

· #57 · 2 mo ago

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stephen.osborne1

Discussion Starter · #58 · 2 mo ago

Metalriff said:
I have a 1969 Fairlane getting a 4.6. You will need to do a mustang 2 front end or similar to remove the shock towers.

I'll be able to notch the shock towers. I've found a couple other similar conversions. The 32 valve Teksid is actually 30" wide! It's tight, but I'm confident I can make it work.

eschaider

· #59 · 2 mo ago

Here is a visual between a 351 (red outline), an FE (green outline), and a 4V ModMotor (black outline). When the overlays were done, the original creator did not include a 385 series engine or the 427 SOHC. The 427 SOHC is within less than an inch of the Modmotor except for length. It has an FE engine length, as you might suspect.

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The 351, not surprisingly, is the most compact engine package of the group.

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