gt vs cobra

mustangfox9091 · August 3rd, 2008, 05:39 PM

whats the difference engine wise between the 96-98 mustang gt and cobra?

347stroker · August 3rd, 2008, 05:40 PM

pretty sure the cobra was still a 4v even in that year

HMUSN · August 3rd, 2008, 05:40 PM

it was a 4v.

305 HP vs 225

spetz · August 3rd, 2008, 05:44 PM

Cobra's 4-Valve engine tops the GT 2-Valve. My friend had his 97 Cobra's hood open next to my 96 GT and the size of the engine, heads and everything on the Cobra is so much bigger than the GT, hah it made me feel bad.

mustangfox9091 · August 3rd, 2008, 05:46 PM

yeah i know that they are the 4v but what is it just the gt40 heads and different manifold?

HMUSN · August 3rd, 2008, 05:46 PM

neither.
it's a 4.6 not a 5.0 it's a modular motor.

mustangfox9091 · August 3rd, 2008, 05:57 PM

oh yeah..that was a stupid thing for me to say. so can you put the cobra heads and intake on the gt. the blocks the same right

HMUSN · August 3rd, 2008, 06:02 PM

yes you can but it takes a hell of a lot of work.

yojoe600 · August 3rd, 2008, 06:47 PM

+1 its a hell of a job to do a 4v swap u basically need to have a compete engine

97S281 · August 3rd, 2008, 08:29 PM

The 96-98 cobra was rated at 305 hp compared to the 96-98 gt (rating at 215hp.) The cobra has larger heads and 4 camshafts as well as a better intake, larger mass air meter and 24lb injectors compared to the 19lb injectors on the gt. It also has a better brake package (i.e. 2 piston calipers up front with 13" rotors). It is possible to convert your 2 valve gt block to accept 4 valve heads and intake but it would be more beneficial to purchase a new aluminum cobra block and start from there.

saleenswoosh · August 4th, 2008, 02:45 AM

wait wait wait the block size in 96-98 was the same 4.6L cobra or not. the last year they had 5.0 was in 95

mustangfox9091 · August 4th, 2008, 02:48 AM

thanks that helps a lot, so basically if a get a 96-98 mustang go for the cobra

WildWill · August 4th, 2008, 08:52 AM

^ that would be correct... Cobra FTW

blackbirdl98 · August 4th, 2008, 09:31 AM

96/97 was rated at 215 hp, 98 was rated at 225 hp because of a better ehxaust manifold. Nothing else changed inside the engine,all 3 years had the same cams,pistons,ect.

97GT4.6 · August 4th, 2008, 01:33 PM

Yeah, if you want major power, get a Cobra.

JTS · August 4th, 2008, 03:18 PM

Originally Posted by HMUSN

it was a 4v.

305 HP vs 225

+1

brianstang · August 4th, 2008, 04:14 PM

i thought they changed the blocks to romeo instead of a windsor 98?

96GTRagTop · August 4th, 2008, 04:52 PM

Originally Posted by brianstang

i thought they changed the blocks to romeo instead of a windsor 98?

still the same block, just made by a diffrent manufacturer

97S281 · August 4th, 2008, 07:11 PM

Naw man, same manufacturer, different location.

96GTRagTop · August 4th, 2008, 10:59 PM

Originally Posted by 97S281

Naw man, same manufacturer, different location.

explain please

August 3rd, 2008, 05:39 PM	#1
mustangfox9091 Regular Join Date: Sep 2007 Posts: 88	gt vs cobra whats the difference engine wise between the 96-98 mustang gt and cobra?

August 3rd, 2008, 05:40 PM	#2
347stroker Enthusiast 2002 Mustang GT Join Date: Mar 2008 Location: N. Texas Posts: 966	pretty sure the cobra was still a 4v even in that year __________________ Foxlake stage 2 heads, CMS stage 2 cams, Custom Diablo tune, BBK LT's, BBK O/R H, Bassani Race Mufflers, MGW STS, 75MM TB, K&N CAI, Eibach Sportlines, 4.10's Mineral Gray Club Member #1

August 3rd, 2008, 08:29 PM	#10
97S281 Enthusiast 1997 Saleen S281 Join Date: Feb 2007 Location: ZEBULON N.C. Posts: 629	The 96-98 cobra was rated at 305 hp compared to the 96-98 gt (rating at 215hp.) The cobra has larger heads and 4 camshafts as well as a better intake, larger mass air meter and 24lb injectors compared to the 19lb injectors on the gt. It also has a better brake package (i.e. 2 piston calipers up front with 13" rotors). It is possible to convert your 2 valve gt block to accept 4 valve heads and intake but it would be more beneficial to purchase a new aluminum cobra block and start from there. __________________

August 4th, 2008, 08:52 AM	#13
WildWill Enthusiast 1995 Mustang GT Join Date: Oct 2007 Location: Solomons, MD Posts: 566	^ that would be correct... Cobra FTW __________________ GT40 "P" heads, 1.7 Roller Rockers, GT40 upper/lower, MAC long tubes, MAC o/r h-pipe, Flowmaster 40-series, 65mm t/b, 'C' Springs, '03 Cobra Bilstein Struts, Tokico Bullitt Shocks, MM Caster/Camber Plates

August 4th, 2008, 09:31 AM	#14
blackbirdl98 Regular 1998 Mustang GT Join Date: Apr 2008 Posts: 75	96/97 was rated at 215 hp, 98 was rated at 225 hp because of a better ehxaust manifold. Nothing else changed inside the engine,all 3 years had the same cams,pistons,ect. __________________ 1998 Mustang GT/ 2007 Mustang w/Pony Package

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August 3rd, 2008, 05:40 PM	#3
HMUSN Doc 91 Sonic Blue Goodness 19.83 @ 12mph Join Date: Nov 2006 Location: NJ Posts: 27,311	it was a 4v. 305 HP vs 225

August 3rd, 2008, 05:44 PM	#4
spetz Newbie 1997 SVT Cobra Join Date: May 2008 Location: Denton, TX Posts: 26	Cobra's 4-Valve engine tops the GT 2-Valve. My friend had his 97 Cobra's hood open next to my 96 GT and the size of the engine, heads and everything on the Cobra is so much bigger than the GT, hah it made me feel bad.

August 3rd, 2008, 05:46 PM	#5
mustangfox9091 Regular Join Date: Sep 2007 Posts: 88	yeah i know that they are the 4v but what is it just the gt40 heads and different manifold?

August 3rd, 2008, 05:57 PM	#7
mustangfox9091 Regular Join Date: Sep 2007 Posts: 88	oh yeah..that was a stupid thing for me to say. so can you put the cobra heads and intake on the gt. the blocks the same right

August 3rd, 2008, 06:02 PM	#8
HMUSN Doc 91 Sonic Blue Goodness 19.83 @ 12mph Join Date: Nov 2006 Location: NJ Posts: 27,311	yes you can but it takes a hell of a lot of work.

August 4th, 2008, 02:45 AM	#11
saleenswoosh Look Ma! My First Post! Join Date: Aug 2008 Posts: 1	wait wait wait the block size in 96-98 was the same 4.6L cobra or not. the last year they had 5.0 was in 95

August 4th, 2008, 02:48 AM	#12
mustangfox9091 Regular Join Date: Sep 2007 Posts: 88	thanks that helps a lot, so basically if a get a 96-98 mustang go for the cobra

August 4th, 2008, 01:33 PM	#15
97GT4.6 Hardcore Enthusiast 97 GT A Burnout got me her^ Join Date: Oct 2007 Location: FTC and Pueblo, Colorado Posts: 1,192	Yeah, if you want major power, get a Cobra. __________________ 1997 GT\|PI Intake\|Spec 1 Clutch\|BBK CAI\|3:73's\|SLP LM1's\|O/R H Pipe\|Mishimoto Radiator\|Steeda Tri-ax \|Cobra Hood\|Bullitt Rims\|Eibach Prokit\|H&R Spacers Soon to have: Matt's 27k PI converted engine with Comp 270's PI Romeo Heads for sale

August 4th, 2008, 04:14 PM	#17
brianstang Regular 1998 mustang gt 1/8= 9.3@ 78 Join Date: Jul 2007 Location: centerville, ia Posts: 154	i thought they changed the blocks to romeo instead of a windsor 98?

August 4th, 2008, 07:11 PM	#19
97S281 Enthusiast 1997 Saleen S281 Join Date: Feb 2007 Location: ZEBULON N.C. Posts: 629	Naw man, same manufacturer, different location. __________________

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