Great writeup! This needs to be stickied.

 

Thanks. I put a lot of time and work into the car and the guide. As far as I know, there is no other guide like it.

 

Why wasn't your temp gauge working?

 

Because I didn't take my own advice and thread in the temperature sensor yet. I was using a code reader with live data to monitor the temperature.

 

nice write up man..... reps

 

Nice Write up...

 

pretty sweet swap, would work great in my 95 T-bird

 

Yeah, it would. I have seen a couple of swaps like this in a T-bird or Cougar. Not sure about the computer though since the 95 is still OBD1.

 

Step 5. Install the wiring harness on the 4V engine. Be sure to start with the fuel injector connectors and work from there. You will have to cut and splice several wires. These wires are the Idle air control, the EGR sensor, camshaft position sensor, and the two coolant sensor wires. * Note, the 4V engine uses knock sensors, the wire comes out from under the intake on the rear of the motor, I chose to stuff the wires under the intake. You will also have to thread the second coolant sensor from the GT in at this time.



sooo... what did you do about the knock sensor.?

 

Nothing, I just stuffed the wires under the intake. You don't hook it up with the GT computer. I consulted several experts on this and I was assured that it would be safe.

 

all you said was the 4v has a knock sensor. and you stuffed it under the intake ?

im just curious.

 

lol if it works it works.
but if you have the mark wireing harness.
why not use it ?

there is a guy were i live that has a 97 mark 8
for sale. the motor is straight but the tranny is blown
and the seats all all f'd up. but i mean i olny want the motor.
so would it be better for me to just use that harness
or keep with my gt harness

 

GT harness is the easiest/most effective method. There is a bunch of other crap that goes with the Mark VIII harness, it doesn't even hook up the same way.

You will love the motor if you do the swap. It's better in every way from what I have experienced.

 

Ghost hurry up and buy it! I wanna do that PI Swap dammit.

 

haha nah. i gotz foot work to do first
im a twisty turny person my man :yes

im workin on my coilover set up and possibly tourqe arm

 

I'm confused how you can use exhaust manifolds from a 99/01 cobra on this since they have C heads and the Mark VIII has B heads. Unless the exhaust ports on the heads are the same and it's just the swirl vs. tumble intake ports that make the heads different.

Also, how does the GT Computer control the IMRC system?

 

The C heads have the same exhaust ports as the B head. I was lucky enough to find a guy that was local so I could compare. The GT computer wont control the IMRC's. You have to wire up a RPM window switch to the electric motor if you want to keep them.

 

Ok, so i have a chance to get a 96 mark motor or a 98 mark motor, the question i have is, is there a difference between the two engines? the 96 is 350 and the 98 is 500 and they both have 100,000 miles and the price difference is why im asking. I plan to put a 03-04 cobra intake and supercharger on it so i dont much care about the intake? Let me know

 

Then nothing. The 96 has the beehive valve springs and the unshrouded valves. The only difference is the intake and the IMRC's are vacuum.

 

wow nice write up reps

 

Great write up. Way to include details!

 

by the way jc316.
+reps for the write up man.

 

gkad to see someone finally make the move of swapping ina complete mark VIII motor. good luck with the build and keep us updated on any changes.

 

Thanks for the reps guys. Glad to see that people like the info. Will do. Bout the only thing that I have in mind motor wise is trying to use the IMRC's. Maybe get my 0-60 times under that elusive 6 second mark.

 

This write up just made me want to switch out a Mark VIII motor instead of a PI swap.

 

Each has it's advantage and disadvantage. The PI swap remains the 2V, so you can get items like cams and LT headers for cheaper. The Mark VIII switches to the 4V which has more potential for forced induction, but items like cams at LT's will cost you a bit more. Power for power, I think the Mark VIII swap will net you more, unless you go with something like the Patriot heads. The Mark VIII swap can definitely be cheaper, most PI swaps cost around $500, I got my Mark VIII motor for $219.

If I was given the option of the PI swap, or the Mark VIII swap, I would take the Mark VIII any day of the week.

 

i also did the markviii swap in my sn95.. but i did a little more power stuff to mine.. like the 98 cobra intake,97 cobra intake cams,04cobra exh cams..
stuff like that.. but nice write up

 

Right. I was going for the cheapest possible option. Those cobra intakes are more that I paid for the entire motor, which is why I didn't bother.

 

this is a great write-up and i will be using it to help me with my swap.
hopefully this will settle all the negative comments i see here and there about this swap costing thousands upon thousnads of dollars and not netting much gains for the money spent. glad to see someone attempt it with good results. keep us updated with anything new :rockon

 

Nah, it was cheaper than a PI swap. Where the insane amounts of money come in is when you do the IMRC delete plates ($259), the cobra intake ($300+), and LT headers ($500+). You are then looking at over $1000 in parts, plus the engine. I wanted a good replacement to the NPI 2V for as cheap as possible.

 

im also doing this tell me what do u think of this 4.6 V8 Lincoln Mark Teksid Complete Engine Cobra Engine

 

It's the old style intake, vacuum IMRC's. The price is decent I guess, but you have to ask WHY it blew the HG, if the head is warped, you could get into a larger sum of money. If the heads are OK, you should be able to rebuild it cheap enough. I still say it would be better to find a 97+ Motor unless you are doing a Cobra intake swap.

 

So I cant get to the link that Mr97stanggt has but I already have a 93 Mark 8 motor. I am planning on buying a cobra intake and doing the swap. Will your guide still work If i do that replacement? I found some cobra parts like intake and stuff for cheap. So I am wondering what else I must buy. Any info would help thanks.

 

so what are the tq and hp numbers like on the mark motors? And nice work on your write up

 

Sticky i will probably be needing thi in the near future and it is easier to find when stickied! So sticky it oh yea Sticky

 

i need this too, just found a mark VIII from a 94 or 95 for $250 local.

 

Bit the bullet. Bought a complete long block today from a 95 mark. This is gonna be sweet with my procharger. Ready to easily break 400. Probably be done late summer or early fall hopefully.