4v and 2v differences

Mont96GT · November 6th, 2009, 07:33 PM

Can you put 4v heads on a 2v block?

330CubeGt · November 7th, 2009, 02:08 PM

Originally Posted by Mont96GT

Can you put 4v heads on a 2v block?

Yessir.

HBK_2007 · November 7th, 2009, 02:48 PM

u can put any mod motor head on any mod motor block....except the v10 stuff

330CubeGt · November 7th, 2009, 07:00 PM

Originally Posted by HBK_2007

u can put any mod motor head on any mod motor block....except the v10 stuff

+1

ReverendDexter · November 10th, 2009, 11:20 AM

Originally Posted by '97'Cobra

96-98 are aluminum

So are '99s and '01s. All N/A Cobras are aluminum block, all factory boosted Cobras ('03 and up) are iron block. There are two different aluminum blocks used in Cobras; the Teskid and the WAP. Teskids are considerably stronger, and were used up though '99, I understand there are some early production '01s that have Teskids as well.

Originally Posted by 330CubeGt

96-02 Heads are B heads.

03/04 Heads are C heads.

No.

C-ports started with the '99s. There are a few different versions of the C-port heads, though, so '99 Cobra heads are different than '03 Cobra heads or Mach heads, but they're all C-ports. The only Cobras that use B-ports are '96-98.

ReverendDexter · November 10th, 2009, 11:23 AM

Originally Posted by HBK_2007

u can put any mod motor head on any mod motor block....except the v10 stuff

I thought that Romeo 2v and Windsor 2v heads did not interchange? I'm not as edumacated on 2Vs, lol.

cruizer · November 10th, 2009, 12:01 PM

I believe the heads interchange, but the valve covers don't

HBK_2007 · November 10th, 2009, 12:06 PM

Originally Posted by ReverendDexter

I thought that Romeo 2v and Windsor 2v heads did not interchange? I'm not as edumacated on 2Vs, lol.

they are interchangeable but u need the correct valve covers and timing cover

ModMustang97GT · November 10th, 2009, 03:47 PM

Correct. one has a 13 bolt valve cover and the other has an 11 bolt. The actual heads mount up to either. Windsors also have press on gears that everyone hates.

97GT4.6 · November 10th, 2009, 05:10 PM

Lots of good information in this thread. I feel like it should be stickied, just because there's no extra BS in it..and the fact that there's a lot of interesting information

330CubeGt · November 10th, 2009, 07:29 PM

Originally Posted by 97GT4.6

Lots of good information in this thread. I feel like it should be stickied, just because there's no extra BS in it..and the fact that there's a lot of interesting information

Damn you you messed up the information with a non informative post..

<---Damn i did it to

Mont96GT · November 11th, 2009, 12:26 PM

to turn a 2v engine into a 4v what would need to be done? is it as easy as just the heads and cam and intake?

ReverendDexter · November 11th, 2009, 01:21 PM

Originally Posted by Mont96GT

to turn a 2v engine into a 4v what would need to be done? is it as easy as just the heads and cam and intake?

Heads, Cams, intake, exhaust manifolds/headers, and I'm almost positive you need to swap the wiring and ECU, though I have people say elsewise.

HBK_2007 · November 11th, 2009, 02:52 PM

Originally Posted by Mont96GT

to turn a 2v engine into a 4v what would need to be done? is it as easy as just the heads and cam and intake?

yes in the same way a blower install is basically a intake swap, lol. to best answer is search it

ReverendDexter · November 11th, 2009, 04:21 PM

I still contend that putting 4v heads on a GT shortblock is, well, stupid.

The aftermarket for 4vs is tiny compared to 2vs, and you're gonna make one incredibly heavy motor (second heaviest mod motor shortblock + heaviest mod motor heads). Not only is the car going to handle worse (all that extra weight up front), but you've just negated some of the power gain by having to push that extra weight.

On top of that, you lose the forged crank that makes the 4v shortblock able to reliably turn the rpms that the 4v heads need to make power.

All that to save, what, a couple hundred bucks over pulling a whole motor?

Mont96GT · November 11th, 2009, 08:02 PM

I want to do either a 4v swap but i was wondering if there was another away around it

HBK_2007 · November 12th, 2009, 11:17 AM

Originally Posted by Mont96GT

I want to do either a 4v swap but i was wondering if there was another away around it

what do u mean way around it? if u want 4v heads, u either swap them onto ur block or swap in a whole motor. if u dont want to do 4v heads, then u can do a PI swap (if u dont have it already) or bolt on a set of Trickflow Specialites heads (require PI intake and are still 2v heads)

JC316 · November 12th, 2009, 03:12 PM

There is another thing too. The 97-98 Mark VIII engines can be used as well. Those have the Teksid block, the B heads and an iron crank. The cam profiles are slightly different from the cobra and the intake is slightly different.

ReverendDexter · November 12th, 2009, 04:35 PM

Originally Posted by JC316

There is another thing too. The 97-98 Mark VIII engines can be used as well. Those have the Teksid block, the B heads and an iron crank. The cam profiles are slightly different from the cobra and the intake is slightly different.

They're also set up to be in front of an automatic, and I thought there was something different about their IMRC setup.

Not huge differences

JC316 · November 12th, 2009, 05:23 PM

Originally Posted by ReverendDexter

They're also set up to be in front of an automatic, and I thought there was something different about their IMRC setup.

Not huge differences

It works fine with the manual tranny. The IMRC's on the 93-96 use a vacuum based setup, the 97-98 use electric just like the cobra.

November 7th, 2009, 02:48 PM	#23
HBK_2007 Genibus Nitito Canus 2009 Ford Mustang GT next year Join Date: Jan 2008 Location: Wyoming Posts: 2,668 iTrader: 0 reviews	u can put any mod motor head on any mod motor block....except the v10 stuff __________________ Red 1996 GT: JLT RAI, Steeda Underdrive pullies, Stewart Waterpump; nothing to brag about Black 2009 45th aniverary edition GT 5 speed: K&N CAI, BBK Twin 62mm Throttle Body, BBK Underdrive Pullies, muffler delete

November 10th, 2009, 03:47 PM	#29
ModMustang97GT Hardcore Enthusiast 1997 Mustang GT Faster than an s4 Join Date: Aug 2007 Location: Seattle, WA Posts: 1,598 iTrader: 0 reviews	Correct. one has a 13 bolt valve cover and the other has an 11 bolt. The actual heads mount up to either. Windsors also have press on gears that everyone hates. __________________ Aztec Gold 97GT. MM CC Plates, Panhard Bar, SFC's & Tower Brace Eibach Sway Bars H&R Race Springs/Bilstein Shocks MAC CAI, LT's, Catted H and Pro-Dumps KB Boost-a-Spark 04' PI Motor Author of The Official Suspension Guide

November 10th, 2009, 05:10 PM	#30
97GT4.6 Hardcore Enthusiast 97 GT 14.2@99.8 @ 4800 ft Join Date: Oct 2007 Location: Fort Collins and Pueblo, Colorado Posts: 2,347 iTrader: 1 reviews	Lots of good information in this thread. I feel like it should be stickied, just because there's no extra BS in it..and the fact that there's a lot of interesting information __________________ Cammed 2v Built By MustangMatt More mods than times your daughter has slept around

November 11th, 2009, 04:21 PM	#35
ReverendDexter Priest of the Car Gods Clapped-out '90 GT 'vert ~5.5 seconds off TTOD :( Join Date: Jan 2007 Location: Rohnert Park, CA Posts: 13,233 iTrader: 0 reviews	I still contend that putting 4v heads on a GT shortblock is, well, stupid. The aftermarket for 4vs is tiny compared to 2vs, and you're gonna make one incredibly heavy motor (second heaviest mod motor shortblock + heaviest mod motor heads). Not only is the car going to handle worse (all that extra weight up front), but you've just negated some of the power gain by having to push that extra weight. On top of that, you lose the forged crank that makes the 4v shortblock able to reliably turn the rpms that the 4v heads need to make power. All that to save, what, a couple hundred bucks over pulling a whole motor? __________________ O o /¯/______________________ \|BLAAAAAAAAAAAAAAAAAAAAAAAAARGH!!! \_\ Buy my Bronco, special deal for MM folks

November 12th, 2009, 03:12 PM	#38
JC316 Regular 1992 T-bird SC Join Date: Nov 2009 Location: DFW, TX Posts: 191 iTrader: 0 reviews	There is another thing too. The 97-98 Mark VIII engines can be used as well. Those have the Teksid block, the B heads and an iron crank. The cam profiles are slightly different from the cobra and the intake is slightly different. __________________ 1992 Thunderbird SC 5 speed.

November 6th, 2009, 07:33 PM	#21
Mont96GT Newbie 1996 Mustang GT 15.2 @ 89.89 Join Date: Jul 2009 Location: Alberta Posts: 37 iTrader: 0 reviews	Can you put 4v heads on a 2v block?

November 10th, 2009, 12:01 PM	#27
cruizer Regular 1998 Mustang GT 13.046@107.49 Join Date: Jul 2008 Location: Lapeer and Detroit, Michigan Posts: 417 iTrader: 0 reviews	I believe the heads interchange, but the valve covers don't

November 11th, 2009, 12:26 PM	#32
Mont96GT Newbie 1996 Mustang GT 15.2 @ 89.89 Join Date: Jul 2009 Location: Alberta Posts: 37 iTrader: 0 reviews	to turn a 2v engine into a 4v what would need to be done? is it as easy as just the heads and cam and intake?

November 11th, 2009, 08:02 PM	#36
Mont96GT Newbie 1996 Mustang GT 15.2 @ 89.89 Join Date: Jul 2009 Location: Alberta Posts: 37 iTrader: 0 reviews	I want to do either a 4v swap but i was wondering if there was another away around it

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