97-98 cobra

delgadog · September 3rd, 2007, 09:15 PM

i know that the 98 and the termi's have similar engines, but what mods are needed to turn out close to the same power as the termi's?? i'm sure the pistons and rotating assemblies are different, but what will i have to replace?? and will it ever be even close to a termi after i'm done? or would u guys think that would just be to much money?? i want to buy a 97-98 cobra when i come back from deployment and i'm looking at different things to do. thanks.

HMUSN · September 3rd, 2007, 09:16 PM

you will need to forge it and strap on a blower.

that will get you where a stock terminator is.

Ryan Paymaster · September 3rd, 2007, 10:20 PM

The 98 doesn't have a Teksid block?

I always thought:

1996 - Love oil.
1997 - Same thing as 1996, but with updated cooling, same block. Doesn't love oil.
1998 - Same as 1997, no clock on the dash.

However, I do see 1998 Cobras listed different for parts and such sometimes, what really is the difference?

Also, forge and supercharge.

jersey98gt · September 3rd, 2007, 10:26 PM

what do 98s run in stock trim (cobra)

HMUSN · September 3rd, 2007, 10:27 PM

^ just about what a 99-04 GT runs

jersey98gt · September 3rd, 2007, 11:42 PM

how is that possible with 305 compared to 260 and the 96-98 is lighter?

HMUSN · September 3rd, 2007, 11:43 PM

i don't know.. it just is

jersey98gt · September 3rd, 2007, 11:44 PM

the only thing i can think of is that they dont make 305

1998_svt_cobra · September 4th, 2007, 12:33 AM

They do make 305 horse and actually, i don't know if it applies to the '98 cobra, ford underated the hp on the cobra on newer models for sure.

One difference between the '99-04 GT and '96-'98 Cobra is the compression ratio. 9.85:1 and 9.4:1 respectively.

The big difference is that that year Cobra's have a 4 valve DOHC while the GT's have a 2 valve SOHC...that's where the extra horse is being netted...

96GTRagTop · September 4th, 2007, 12:41 AM

Originally Posted by jersey98gt

how is that possible with 305 compared to 260 and the 96-98 is lighter?

1 a 98 Cobra is not lighter then a 99GT
2 same rear gear ratio
3 a 99gt runs 14.1 where as a cobra should run 13.7-13.8

a 45 hp diff and 100lbs is about 4 tenths of a second.....

jersey98gt · September 4th, 2007, 12:54 AM

well according to hmusn they are both 14.0 sec cars, now granted im an economics major here...... but i know a car that has 305 compared to 260 should be atleast a half second quicker so 96gtragtop im with you

MustangMatt96GT · September 4th, 2007, 12:56 AM

im sorry, but i dont think the cobras were rated correctly. i think its a drivers race

jersey98gt · September 4th, 2007, 12:57 AM

imho...i feel that the 96-98 cobra should be about 3-4 tenths slower than a mach1

MustangMatt96GT · September 4th, 2007, 12:58 AM

compression ratios are different! I feel that a cobra 96-98 is right about the same as a PI GT i mean i have never seen a cobra stock run a 13.9

jersey98gt · September 4th, 2007, 12:59 AM

Originally Posted by MustangMatt96GT

im sorry, but i dont think the cobras were rated correctly. i think its a drivers race

look at some dyno graphs... and your telling me a 96-98 cobra can only run a 14.0 your dreaming......... at best a GT can run a 14.0

96GTRagTop · September 4th, 2007, 01:06 AM

Originally Posted by jersey98gt

well according to hmusn they are both 14.0 sec cars, now granted im an economics major here...... but i know a car that has 305 compared to 260 should be atleast a half second quicker so 96gtragtop im with you

HMUSN was drinking tonight and not very specific......

they are very closely timed......and u need to drive the shit out of the cobra, but it can be done,

where as if u drive the shit out of the GT ur not gonna get better then a 14 flat

jersey98gt · September 4th, 2007, 01:11 AM

well theres a guy in town with his white 98 cobra and he got it dynoed at crazyhorse racing (south amboy nj) and he put down 248 to the wheels and whats a 99-04 GT put down 215?

96GTRagTop · September 4th, 2007, 01:19 AM

Originally Posted by jersey98gt

well theres a guy in town with his white 98 cobra and he got it dynoed at crazyhorse racing (south amboy nj) and he put down 248 to the wheels and whats a 99-04 GT put down 215?

thats weak.......and that can be due to age....that car should only dyno at like 260 265.......

99+ dyno out at like 225-235

SWEET2KSTANG · September 4th, 2007, 01:42 AM

the older 4v's are capable of a lot of power, just have to build them. they flow really well, just have the down fall of the imrc plates. a friend of mine has a 98 cobra and was considering a motor swap, but changed his mind after seeing what the c-head 4v's can actually do.

nes · September 4th, 2007, 02:12 AM

in theory, seeing as a mustang with proper gearing, good tires, and a good launch + driver should go 12s with 240 rwhp, a cobra should be able to do the same, again with a good driver ofcourse. but most 99-04 owners run about 14.2-14.5 @ 97-101 and the cobra guys run 13.7-14.2 @101-103, these times are with average drivers.

but if u where to put them up against eachother on the street, it could easily play as a n equalizer and it would be a drivers race

September 3rd, 2007, 09:15 PM	#1
delgadog Regular 1995 Mustang GT Join Date: Dec 2006 Location: Jacksonville, NC Posts: 65	97-98 cobra i know that the 98 and the termi's have similar engines, but what mods are needed to turn out close to the same power as the termi's?? i'm sure the pistons and rotating assemblies are different, but what will i have to replace?? and will it ever be even close to a termi after i'm done? or would u guys think that would just be to much money?? i want to buy a 97-98 cobra when i come back from deployment and i'm looking at different things to do. thanks. __________________ SEMPER FI

September 3rd, 2007, 10:26 PM	#4
jersey98gt Enthusiast Join Date: Jan 2007 Posts: 661	what do 98s run in stock trim (cobra) __________________ -BBK CAI, BASSANI CB + X, SCT 93 tune, 4.10s, Cobra brakes, Cobra R wrapped in nitto 555 tire. -College Football and studies take up the bulk of my time.

September 3rd, 2007, 11:42 PM	#6
jersey98gt Enthusiast Join Date: Jan 2007 Posts: 661	how is that possible with 305 compared to 260 and the 96-98 is lighter? __________________ -BBK CAI, BASSANI CB + X, SCT 93 tune, 4.10s, Cobra brakes, Cobra R wrapped in nitto 555 tire. -College Football and studies take up the bulk of my time.

September 3rd, 2007, 11:44 PM	#8
jersey98gt Enthusiast Join Date: Jan 2007 Posts: 661	the only thing i can think of is that they dont make 305 __________________ -BBK CAI, BASSANI CB + X, SCT 93 tune, 4.10s, Cobra brakes, Cobra R wrapped in nitto 555 tire. -College Football and studies take up the bulk of my time.

September 4th, 2007, 12:33 AM	#9
1998_svt_cobra Regular 1998 SVT Mustang Cobra Join Date: Nov 2006 Location: Columbus, NE Posts: 271	They do make 305 horse and actually, i don't know if it applies to the '98 cobra, ford underated the hp on the cobra on newer models for sure. One difference between the '99-04 GT and '96-'98 Cobra is the compression ratio. 9.85:1 and 9.4:1 respectively. The big difference is that that year Cobra's have a 4 valve DOHC while the GT's have a 2 valve SOHC...that's where the extra horse is being netted... __________________ 4.10s, K&N FIPK, C&L Power Pipe, XTD Stage 3 Clutch, Hooker Super Competition LT Headers & O/R X-Pipe, Magnaflow Cat-Back, Steeda Underdrive Pulleys, Cross Drilled & Slotted Rotors, Nitto 555s, Diablosport Tuner

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September 3rd, 2007, 09:16 PM	#2
HMUSN Doc 91 Sonic Blue Goodness 19.83 @ 12mph Join Date: Nov 2006 Location: NJ Posts: 27,307	you will need to forge it and strap on a blower. that will get you where a stock terminator is.

September 3rd, 2007, 10:20 PM	#3
Ryan Paymaster Enthusiast 1996 Ford SVT Cobra 13.36@102 Join Date: Jun 2007 Location: Plainfield, IL USA Posts: 557	The 98 doesn't have a Teksid block? I always thought: 1996 - Love oil. 1997 - Same thing as 1996, but with updated cooling, same block. Doesn't love oil. 1998 - Same as 1997, no clock on the dash. However, I do see 1998 Cobras listed different for parts and such sometimes, what really is the difference? Also, forge and supercharge.

September 3rd, 2007, 10:27 PM	#5
HMUSN Doc 91 Sonic Blue Goodness 19.83 @ 12mph Join Date: Nov 2006 Location: NJ Posts: 27,307	^ just about what a 99-04 GT runs

September 3rd, 2007, 11:43 PM	#7
HMUSN Doc 91 Sonic Blue Goodness 19.83 @ 12mph Join Date: Nov 2006 Location: NJ Posts: 27,307	i don't know.. it just is

September 4th, 2007, 12:54 AM	#11
jersey98gt Enthusiast Join Date: Jan 2007 Posts: 661	well according to hmusn they are both 14.0 sec cars, now granted im an economics major here...... but i know a car that has 305 compared to 260 should be atleast a half second quicker so 96gtragtop im with you __________________ -BBK CAI, BASSANI CB + X, SCT 93 tune, 4.10s, Cobra brakes, Cobra R wrapped in nitto 555 tire. -College Football and studies take up the bulk of my time.

September 4th, 2007, 12:56 AM	#12
MustangMatt96GT All Throttle with a Bottle 1996 Mustang GT 12.91@105.29 @ 5800 FT Join Date: Dec 2006 Location: Lakewood, CO Posts: 7,609	im sorry, but i dont think the cobras were rated correctly. i think its a drivers race __________________ We expect shit to break, look foward to realizing exactly when it is happening, and than obsess about dropping plenty of cash to rebuild stronger, so we can try to run it hard as hell and break again. We are sick individuals. I support the MM Staff

September 4th, 2007, 12:57 AM	#13
jersey98gt Enthusiast Join Date: Jan 2007 Posts: 661	imho...i feel that the 96-98 cobra should be about 3-4 tenths slower than a mach1 __________________ -BBK CAI, BASSANI CB + X, SCT 93 tune, 4.10s, Cobra brakes, Cobra R wrapped in nitto 555 tire. -College Football and studies take up the bulk of my time.

September 4th, 2007, 12:58 AM	#14
MustangMatt96GT All Throttle with a Bottle 1996 Mustang GT 12.91@105.29 @ 5800 FT Join Date: Dec 2006 Location: Lakewood, CO Posts: 7,609	compression ratios are different! I feel that a cobra 96-98 is right about the same as a PI GT i mean i have never seen a cobra stock run a 13.9 __________________ We expect shit to break, look foward to realizing exactly when it is happening, and than obsess about dropping plenty of cash to rebuild stronger, so we can try to run it hard as hell and break again. We are sick individuals. I support the MM Staff

September 4th, 2007, 01:11 AM	#17
jersey98gt Enthusiast Join Date: Jan 2007 Posts: 661	well theres a guy in town with his white 98 cobra and he got it dynoed at crazyhorse racing (south amboy nj) and he put down 248 to the wheels and whats a 99-04 GT put down 215? __________________ -BBK CAI, BASSANI CB + X, SCT 93 tune, 4.10s, Cobra brakes, Cobra R wrapped in nitto 555 tire. -College Football and studies take up the bulk of my time.

September 4th, 2007, 01:42 AM	#19
SWEET2KSTANG I Post Entirely Way Too Much 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 5,407	the older 4v's are capable of a lot of power, just have to build them. they flow really well, just have the down fall of the imrc plates. a friend of mine has a 98 cobra and was considering a motor swap, but changed his mind after seeing what the c-head 4v's can actually do. __________________ stock long block, bolt ons, slicks, and a little squeeze N/A-12.81@103.7 N2O-11.79@115.8 parting out 04 cobra, pm me for details

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