alexdel209

i have a 01 cobra and i want to help its performance. i already have a programer,pullies,intake,x pipe,throttle body,catback,clutch,short shifter,and good street tires but im thinkin botu gears it has teh stock 3.27s in it rite now but its my dd and my only car so i dont wanna go crazy so im thinkin bout sum 3.73s what do u guys think bout that what are ur opinions an d member its my only car so yeah and what are sum good future mods thanx

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POISND U

Reading that was like a flashback to 2nd grade.....

Run a search. This thread shows up at least twice a day.

SpecterGT260

Punctuation ftw [:@]

Get 4.10s. I did 3.73s in my stang, and I regretted not growin some ***** and going bigger the entire time. Otherwise u got about all the boltons (cept headers, but ud need to get another xpipe for that). Work on your suspension some. Get drag(or circuit, depending on preference) springs, shocks and struts. Im not too familiar with IRS, but im sure they have aftermarket arms to help with wheel hop (big problem in cobras).

btw, speaking of wheel hop, even with solid rear axle, i hopped horrible, but just put my LCA relocation brackets in and now the car rides and launches much more like my old mustang. roundabout way of saying "Mustangs FTW "

POISND U

Cobra gear rule of thumb:

3.73 to 4.10 =daily driver
4.30 = you don't really care about mileage
4.56 = Strip car

exLT1to01GT

sounds like you have a good foundation of mods...I would go 3.73s w/the gears, and look into suspension now like said above. I would've waited to get the x-pipe and just gotten longtubes and matching x or h. Maybe consider selling your x-pipe and finish your exhaust setup?

POISND U

Good advice for a GT, but he has anextra 1000 rpm's to play with....

Hyper00

I've known, in-person, people who bought 3.73's and wished they had went higher and I know people who bought 4.10's and wished they had went lower.

I would rather go too"low" and regret not having enough performance, than going too high and regret havingtraction and more-frequent-pump-visit issues.

Over the last couple years, this has probably been one of the most touchy subjectsin th 4.6forum, so I would recommend talking to somebody in-person that has them and maybe even try to get a ride.

POISND U

We don't drive these cars because we care about gas mileage, but I do agrre with finding a 4V owner that has them in. Most 4V owners are running 4.10s minimum....

antiv6

get 410s at least, anything else isnt worth the money and your just gonna wish you had 410s, my buddy got 430s in his old mach 1 and he got exactly the same gas milage as the stock 355's and he started in second gear 90% of the time

cammed99gt

beings u got a 4v go with 4.10 atleast.Dont bother with 3.73 if anything they do have a 3.90 gear u could go with.Ihad 3.73 and my rearend blow up couple of weeks ago and im going with 3.90 or 4.10s in my gt now.With these ohc cars 3.73 is just not enough gear because of there lack of power down low