4.30's = FUN!!!!!!!!

98COBRA281 · Aug 28, 2009

well i started last night, and finished up today, i have to say 4.30's are so much fun, plenty of first gear, even for a DD they would be fine, and it comes out of the hole like a raped ape, cant wait to get back to the track!

DONT FEAR THE GEAR!

CatmanJJ · Aug 28, 2009

Gears are awesome, I loved 4.10s in my '02 GT and I hear 4.30s+ in a 4v DOHC are just about as much fun you can have with your clothes on. I can't wait to get some gears.

dls322 · Aug 28, 2009

Wow, i would hate my car if it has 4.30's....my 4.10's are just right for me. Not sure if there is a difference in the way the gear ratio's tranfer for our different model cars. Glad you like them though

98COBRA281 · Aug 28, 2009

mine car is just a 2V GT, but likes to rev to 6300+, i honestly would go to 4.56's, btw 4.30's are only 150rpm higher then 4.10's at a steady speed....

Shiroelex · Aug 28, 2009

I tried 4.56s in my last car, and they were miserable on the street. If I tried taking off fast at all, I had NO traction in 1st through 3rd, even with 315s out back. First was a joke, second was all spin if held more than halfway, and third had to be 1/4 or less. It was like driving in the rain, but on dry pavement. If you have a high revving engine they could be fun, but I shifted at 6500 max, and that happened OFTEN in first and second for me.

VEE EIGHT · Aug 28, 2009

Wow. I would never go more than 4.10 on a 2V. Thats nuts.

98COBRA281 · Aug 28, 2009

VEE EIGHT said:
Wow. I would never go more than 4.10 on a 2V. Thats nuts.

no, not nuts.... FUN!

kuwait · Aug 28, 2009

98COBRA281 said:
no, not nuts.... FUN!

its not fun till you get that intake and dyno it

on a more serious note , congratulations and glad you like your new gears.

98COBRA281 · Aug 28, 2009

kuwait said:
its not fun till you get that intake and dyno it

on a more serious note , congratulations and glad you like your new gears.

thats comming soon!

mustangman9812 · Aug 28, 2009

Man that is awesome, Thanks For Not Fearing The Gear!!! 4.10 + Greater > 3.73 + Less

Tim2002GT · Aug 29, 2009

Glad you like them, but that short 1st gear would annoy the hell out of me. I sometimes get tired of the 4.10's short 1st gear and wish i'd went with 3.73's. Guess I'm getting old!

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CatmanJJ · Aug 29, 2009

dls322 said:
Wow, i would hate my car if it has 4.30's....my 4.10's are just right for me. Not sure if there is a difference in the way the gear ratio's tranfer for our different model cars.

To be fair my car is way different now so 4.10s wouldn't be enough so I think 4.30s would be better or some even said 4.56s but I'm skurred they might suck on the street but I agree, 4.10s were perfect for my GT.

98COBRA281 said:
mine car is just a 2V GT, but likes to rev to 6300+, i honestly would go to 4.56's, btw 4.30's are only 150rpm higher then 4.10's at a steady speed....

I'm contemplating 4.56s but not sure...my power curve was def skewed to the mid-upper range after the cams so either way I think 4.30s or 4.56s would make it a monster all through the rev band esp since it spins to the moon now and is basically just limited by the stock intake.

Stan Weiss · Aug 29, 2009

Stock tires (245-45-17 - Diameter 25.68") 6000 RPM 3.37:1 first gear
Rear ----- MPH
3.27:1 - 41.61
3.73:1 - 36.48
4.10:1 - 33.19
4.30:1 - 31.65
4.56:1 - 29.84

Calculate Speed (MPH - Km/H) given RPM, Rear Gear Ratio and Trans Gear Ratio
http://users.erols.com/srweiss/index.html#jcalc

mazen189 · Aug 29, 2009

wow, thats nuts, 4.30's in a 2v. Glad you like it though, cant wait to see your new track times man.

CatmanJJ · Aug 29, 2009

mazen189 said:
wow, thats nuts, 4.30's in a 2v. Glad you like it though, cant wait to see your new track times man.

With his mods and power level, it seems though his car would rip pretty good.

Any vids Non-PI?

98COBRA281 · Aug 29, 2009

CatmanJJ said:
With his mods and power level, it seems though his car would rip pretty good.

Any vids Non-PI?

no not yet, ill have to take some

BlownStangGT · Aug 29, 2009

Congrats man! I bet that sucker feels awesome! If I still had my old 00 gt I woulda swapped out my 3.73s for 4.30's!!!! Now get to the track!

1low03gt · Aug 29, 2009

Awesome to hear!I myself been thinking about 4.30's since my GT is is 95% complete bolt on car,including cammes,and ported Bullitt intake,and think they will be perfect,but i need to get back at the track,.....been a few years .....so i can see where exactly my GT is revving at when crossing the traps.But i feel there is room for a tad more gear,especially since the torque comes in around 3000 or so rpm,and loves the rpm up high.

FoxRod87 · Aug 30, 2009

I had 4.30s in a 87 coupe and loved them. Good luck at the track. Can't wait to see some times.

98COBRA281 · Aug 30, 2009

1low03gt said:
Awesome to hear!I myself been thinking about 4.30's since my GT is is 95% complete bolt on car,including cammes,and ported Bullitt intake,and think they will be perfect,but i need to get back at the track,.....been a few years .....so i can see where exactly my GT is revving at when crossing the traps.But i feel there is room for a tad more gear,especially since the torque comes in around 3000 or so rpm,and loves the rpm up high.

i shift at about 6300, and with the 26" slick i was hardly using 4th, heres a vid, im in 4th for a second before my time comes up on the board

DSCN0212.flv video by 98gt46 - Photobucket

4.30's = FUN!!!!!!!!

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