Lincoln Mark VIII 4.6

MikeyS281 · March 4th, 2008, 11:17 AM

Alright now I was wondering if you guys could help me decide if getting the motor out of a Lincoln Mark VIII would be worth the trouble. Also, I would like to know what the internals can hold as far as hp or if I should just go with a stroker kit for it. Are the heads as good as the 03-04 Cobras or should I get aftermarket heads too???? Thanks for your input!

finaly03vert · March 4th, 2008, 11:25 AM

the heads are not quite as good as the cobras if you can get the wiring and all the accessories it is not a bad idea but i would still recommend forging the internals before you put it in your car.

banned · March 4th, 2008, 11:48 AM

the heads are practically the same, different cam profiles, but the main difference is the intake. and I think those also used IMRC plates, remove those and get a new intake and youll be outflowing cobra heads... B heads actually flow better than C heads with imrc delete and porting, little harder to tune though

Straits15204 · June 12th, 2008, 06:32 PM

I was told that if you perform this swap you'll need to lengthen a couple of wires and get a cobra intake and some other stuff, what accessories are you planning to buy? well if you follow through let me know how it goes im considering the same thing, feel free to PM me

SWEET2KSTANG · June 12th, 2008, 11:33 PM

actually the c heads will out flow the b heads, but not by much. the b heads flow very very well. the b heads flow too much for low rpm driving, that is why they use imrc's. there are no aftermarket head castings for any 4.6, all heads are ford castings. depending on how the car is set up will depend on how much power it will hold. i have seen people put dowm a lot of power on a stock b head engine. i have heard of people doing the swap, but also have heard it cant be done.

Doc8224 · June 13th, 2008, 12:15 AM

I am pretty sure you have to have a special adapter plate for the tranny because the front wheel drive tranny bolt pattern is different than the rear wheel drive, and I heard the Mark VIII block doesn't even have the RWD bolt pattern on it.

MustangMatt96GT · June 13th, 2008, 12:18 AM

Originally Posted by Doc8224

I am pretty sure you have to have a special adapter plate for the tranny because the front wheel drive tranny bolt pattern is different than the rear wheel drive, and I heard the Mark VIII block doesn't even have the RWD bolt pattern on it.

thats insane, considering some Mark VIIIs, if not all are RWD...

but you can not use a FWD teksid block in a mustang, jsut flat out.

Doc8224 · June 13th, 2008, 12:20 AM

Originally Posted by MustangMatt96GT

thats insane, considering some Mark VIIIs, if not all are RWD...

but you can not use a FWD teksid block in a mustang, jsut flat out.

I am thinking of the continental. My bad. LOL

March 4th, 2008, 11:17 AM	#1
MikeyS281 Regular 1999 Mustang GT 14.2 no mods, bald tires Join Date: Aug 2006 Location: Cincinnati, OH Posts: 191 iTrader: 0 reviews	Lincoln Mark VIII 4.6 Alright now I was wondering if you guys could help me decide if getting the motor out of a Lincoln Mark VIII would be worth the trouble. Also, I would like to know what the internals can hold as far as hp or if I should just go with a stroker kit for it. Are the heads as good as the 03-04 Cobras or should I get aftermarket heads too???? Thanks for your input! __________________ Once a Marine always a Marine! Semper Fi Marines!

March 4th, 2008, 11:25 AM	#2
finaly03vert Regular 03 gt vert lights cant time it Join Date: Sep 2007 Location: Lincoln NE Posts: 296 iTrader: 0 reviews	the heads are not quite as good as the cobras if you can get the wiring and all the accessories it is not a bad idea but i would still recommend forging the internals before you put it in your car. __________________ NX EFI plate 250 jetcustom tune Eibach Pro-Kit Magnaflow cat back high flow cats, 3:55s, ported and polished heads, comp cams, forged pistons/ rods Curently building up 03 mach block w stage 3 port job. look for twins and more n2o

March 4th, 2008, 11:48 AM	#3
banned Regular Join Date: May 2007 Posts: 462 iTrader: 0 reviews	the heads are practically the same, different cam profiles, but the main difference is the intake. and I think those also used IMRC plates, remove those and get a new intake and youll be outflowing cobra heads... B heads actually flow better than C heads with imrc delete and porting, little harder to tune though __________________ Considering selling my car to fund my race car: take a look and tell me what you think. http://www.moddedmustangs.com/forums...ml#post1041280

June 12th, 2008, 11:33 PM	#5
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,430 iTrader: 8 reviews	actually the c heads will out flow the b heads, but not by much. the b heads flow very very well. the b heads flow too much for low rpm driving, that is why they use imrc's. there are no aftermarket head castings for any 4.6, all heads are ford castings. depending on how the car is set up will depend on how much power it will hold. i have seen people put dowm a lot of power on a stock b head engine. i have heard of people doing the swap, but also have heard it cant be done. __________________ project warhorse under construction being built by MP2 Performance

June 13th, 2008, 12:15 AM	#6
Doc8224 N/A 4v Guru 2003 Mach 1 Join Date: Oct 2007 Location: Afghanistan Posts: 3,463 Blog Entries: 2 iTrader: 1 reviews	I am pretty sure you have to have a special adapter plate for the tranny because the front wheel drive tranny bolt pattern is different than the rear wheel drive, and I heard the Mark VIII block doesn't even have the RWD bolt pattern on it. __________________ Military Crew U.S. Army Aviation Apache's Lead The Way

June 12th, 2008, 06:32 PM	#4
Straits15204 Regular Join Date: Aug 2007 Posts: 187 iTrader: 0 reviews	I was told that if you perform this swap you'll need to lengthen a couple of wires and get a cobra intake and some other stuff, what accessories are you planning to buy? well if you follow through let me know how it goes im considering the same thing, feel free to PM me

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