94 mark 8 heads

mtw002 · January 27th, 2010, 04:15 PM

I just pulled the 4V out of a 94 mark 8. I'm using the block for my 03 gt. I'm going to stay 2V and was wondering how much i could sell the 4v upper stuff if its even worth selling?

acidtonic · January 27th, 2010, 04:20 PM

You could probably get 100-300 for the heads assembled. B heads are cheap and all over the place for almost nothing.

Cams can go for $50-$100 to a C head 4v guy looking for a bit more power (96-98 was the most aggressive factory cam)

Intake is the jewel, you can get $200 or more from that.

IMRCs from the 93 mark wont help any cobra guys, junk them.

If you cant find anyone, I might be interested in the lash adjusters.

mtw002 · January 27th, 2010, 05:07 PM

Thanks...I'm pulling apart the engine now so I'll be posting in the classifieds as soon as i can get some good pics.

DeMello · January 27th, 2010, 11:17 PM

Originally Posted by acidtonic

You could probably get 100-300 for the heads assembled. B heads are cheap and all over the place for almost nothing.

Cams can go for $50-$100 to a C head 4v guy looking for a bit more power (96-98 was the most aggressive factory cam)

Intake is the jewel, you can get $200 or more from that.

IMRCs from the 93 mark wont help any cobra guys, junk them.

If you cant find anyone, I might be interested in the lash adjusters.

i agree with everything you said besides the intake, nobody does a 4v swap and wants a mark viii intake. if he had a cobra intake itd easily be worth 300 bucks...as for the value of the mark intake, i have one laying around in a friends garage and if anybody wants it they can have it lol

DeMello · January 27th, 2010, 11:18 PM

also the 94 heads are not the same as the 97/98 mark or 96-98 cobra, but VERY similar

mpe331lx · January 27th, 2010, 11:44 PM

Originally Posted by DeMello

i agree with everything you said besides the intake, nobody does a 4v swap and wants a mark viii intake. if he had a cobra intake itd easily be worth 300 bucks...as for the value of the mark intake, i have one laying around in a friends garage and if anybody wants it they can have it lol

Yeah, the mark intake's not really worth anything but its weight as scrap.

Originally Posted by DeMello

also the 94 heads are not the same as the 97/98 mark or 96-98 cobra, but VERY similar

They are still considered B heads, but they have different valve springs then the cobra head and the 98/99 mark head. The spring pockets are not machined the same, so the newer beehives are not a direct replacement for the failure prone standard springs. There is also a small restriction in the combustion chamber in the older heads.

DeMello · January 27th, 2010, 11:45 PM

Originally Posted by mpe331lx

Yeah, the mark intake's not really worth anything but its weight as scrap.
.

you owe me a sammich for my mark intake

acidtonic · January 28th, 2010, 09:09 AM

Oh yeah the Marks are junk. For some reason I was thinking he had the Cobra intake. My apologies for missing that.

Yes the heads do have a small restriction which can be easily removed while they are out of the car.

The later Marks had beehive springs I heard, not sure if that is true or not.

DeMello · January 28th, 2010, 09:22 AM

Originally Posted by acidtonic

Oh yeah the Marks are junk. For some reason I was thinking he had the Cobra intake. My apologies for missing that.

Yes the heads do have a small restriction which can be easily removed while they are out of the car.

The later Marks had beehive springs I heard, not sure if that is true or not.

yes, 97/98

mtw002 · January 28th, 2010, 02:46 PM

What about the mark alum drive shaft? Is it worth hanging on to? I'll just toss the intake in the back of the car this weekend when i take it to the scrap yard.

dcook_14 · January 28th, 2010, 05:09 PM

Originally Posted by acidtonic

Cams can go for $50-$100 to a C head 4v guy looking for a bit more power (96-98 was the most aggressive factory cam)

No one wants the cams out of the Mark heads. Marks and cobras came with different intake cams, but the same exhaust cams. The Cobra cams are the most aggesive cam, but the Mark intake cams would be put to better use as a rat-rod bumper

acidtonic · January 28th, 2010, 10:03 PM

Originally Posted by dcook_14

No one wants the cams out of the Mark heads. Marks and cobras came with different intake cams, but the same exhaust cams. The Cobra cams are the most aggesive cam, but the Mark intake cams would be put to better use as a rat-rod bumper

Yea I just got confused when I went to reply. Like I said above my apologies.

dcook_14 · January 29th, 2010, 12:04 PM

Originally Posted by mtw002

What about the mark alum drive shaft? Is it worth hanging on to? I'll just toss the intake in the back of the car this weekend when i take it to the scrap yard.

I've wondered about the driveshaft too... Anyone have any info on this?

Originally Posted by acidtonic

Yea I just got confused when I went to reply. Like I said above my apologies.

Not a problem, I just wanted to make sure the OP knew that even though the heads were the same the valve springs and cams were not the same between Marks and Cobras

mtw002 · January 29th, 2010, 12:41 PM

Yeah id like to know before i get rid of it saturday. Its cold/snowy and if its not worth keeping i dont want to roll around in the snow to get it out.

NomadGT · January 31st, 2010, 01:04 PM

Originally Posted by dcook_14

I've wondered about the driveshaft too... Anyone have any info on this?s

I believe that you have to have it shortened. We had one at the shop for a bit after, I grabbed my engine base.

January 27th, 2010, 04:15 PM	#1
mtw002 Enthusiast 2003 vert gt 12.703@ 107.65 KCIR Join Date: Oct 2006 Location: Colorado Springs CO Posts: 662 iTrader: 0 reviews	94 mark 8 heads I just pulled the 4V out of a 94 mark 8. I'm using the block for my 03 gt. I'm going to stay 2V and was wondering how much i could sell the 4v upper stuff if its even worth selling? __________________ Cars Dont Power The Front Wheels, They Lift Them 4v teksid block w/2v heads FINISHED 14 April 2010 2003 vert gt 2v teskid build 12.7 @ 107 (SOLD) 1989 mustang lx

January 27th, 2010, 04:20 PM	#2
acidtonic Hardcore Enthusiast 97 Cobra Join Date: May 2008 Location: Royal Oak Michigan Posts: 1,056 iTrader: 0 reviews	You could probably get 100-300 for the heads assembled. B heads are cheap and all over the place for almost nothing. Cams can go for $50-$100 to a C head 4v guy looking for a bit more power (96-98 was the most aggressive factory cam) Intake is the jewel, you can get $200 or more from that. IMRCs from the 93 mark wont help any cobra guys, junk them. If you cant find anyone, I might be interested in the lash adjusters. __________________ Converted to the Dark Side. 06 Apex Silver Evolution IX GSR - Turboback Exhaust, Tune - Wideband O2, Trustz backlight gauges, Apexi turbo timer - Stock wing, but soon to be wingless. - Guessing 280-310 at the wheels. 02 Red Escape V6 4x4

January 27th, 2010, 05:07 PM	#3
mtw002 Enthusiast 2003 vert gt 12.703@ 107.65 KCIR Join Date: Oct 2006 Location: Colorado Springs CO Posts: 662 iTrader: 0 reviews	Thanks...I'm pulling apart the engine now so I'll be posting in the classifieds as soon as i can get some good pics. __________________ Cars Dont Power The Front Wheels, They Lift Them 4v teksid block w/2v heads FINISHED 14 April 2010 2003 vert gt 2v teskid build 12.7 @ 107 (SOLD) 1989 mustang lx

January 27th, 2010, 11:18 PM	#5
DeMello Banned Join Date: Apr 2008 Location: Florida Posts: 3,947 iTrader: 1 reviews	also the 94 heads are not the same as the 97/98 mark or 96-98 cobra, but VERY similar __________________ Just Another Bolt on GT [IMG]http://i45.tinypic.com/54f5ua.jpg[/IMG] Stock Longblock - 287/276 Low 12s NA! 10s on the spray?

January 28th, 2010, 09:09 AM	#8
acidtonic Hardcore Enthusiast 97 Cobra Join Date: May 2008 Location: Royal Oak Michigan Posts: 1,056 iTrader: 0 reviews	Oh yeah the Marks are junk. For some reason I was thinking he had the Cobra intake. My apologies for missing that. Yes the heads do have a small restriction which can be easily removed while they are out of the car. The later Marks had beehive springs I heard, not sure if that is true or not. __________________ Converted to the Dark Side. 06 Apex Silver Evolution IX GSR - Turboback Exhaust, Tune - Wideband O2, Trustz backlight gauges, Apexi turbo timer - Stock wing, but soon to be wingless. - Guessing 280-310 at the wheels. 02 Red Escape V6 4x4

January 28th, 2010, 02:46 PM	#10
mtw002 Enthusiast 2003 vert gt 12.703@ 107.65 KCIR Join Date: Oct 2006 Location: Colorado Springs CO Posts: 662 iTrader: 0 reviews	What about the mark alum drive shaft? Is it worth hanging on to? I'll just toss the intake in the back of the car this weekend when i take it to the scrap yard. __________________ Cars Dont Power The Front Wheels, They Lift Them 4v teksid block w/2v heads FINISHED 14 April 2010 2003 vert gt 2v teskid build 12.7 @ 107 (SOLD) 1989 mustang lx

January 29th, 2010, 12:41 PM	#14
mtw002 Enthusiast 2003 vert gt 12.703@ 107.65 KCIR Join Date: Oct 2006 Location: Colorado Springs CO Posts: 662 iTrader: 0 reviews	Yeah id like to know before i get rid of it saturday. Its cold/snowy and if its not worth keeping i dont want to roll around in the snow to get it out. __________________ Cars Dont Power The Front Wheels, They Lift Them 4v teksid block w/2v heads FINISHED 14 April 2010 2003 vert gt 2v teskid build 12.7 @ 107 (SOLD) 1989 mustang lx

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