Went to the track last week with nearly bald tires, but kept running 14.5 at 97 almost all night long. Come to find out, I have 2.73's, so with the automatic, I'm still in second gear crossing the quarter mark, at about 5900-6000rpm. Only have a Moroso intake and hypertech but now thinking about swaping gears. Possibly 3.42's or 3.73? Anyone done the same thing? Also, what kind of gains could I expect?

 

97 mph u should not be in second gear... second should goto 80ish... i could understand the 1/8 mile going accross in second

 

Pretty sure. I even had a friend join me in the car in case I was halucinating. Sure enough he said the same thing.

 

http://www.f-body.org/gears/

plug in the numbers 98 mph in second gear works

 

With 2.73's, the top of 2nd gear is about 95 mph give or take 1 or 2 mph..atleast on my car it is..

 

hrmm for me its 80 mph or so, thats at about 5700 and i have 2.73's

 

get rid of those gears, i went from 2.73's to 3/73's and wow a whole new car

 

hrmm i guess i dont have 2.73's...

cause first goes to 40 mph or so, second goes to 80 or so third goes to about 120 and forth i never tested

2500 rpms at 80mph so about 160mph at 5000 rpms i guess my top would be about 182 i guess i have 3.42's? on an a4? :'(

 

id say my top of first is about 37-40 at 5800

im the 5th owner so i donno someone might have changed it

i always thought if u could put it into first gear on the manual tranny, it was 2.73

 

Yea you definately dont have 2.73's (which in my opinion is a good thing), from what i've been told cars with 2.73's top out in 3rd..at about 155 or so..i havent ever had my car that fast (yet)..

 

yea i topped my 3rd gear at around 120

 

easy way to find out.
put the back of the car off the ground so both tires are off the ground. put the car in nutral and turn the tire one complete rotation and see how many times the drive shaft turns.

if it turns about2.75 then u have 2:73 gear and so on

 

He could just open his driver door, look at the option sticker and find the code GU2 which is the 2.73's. GU5 would be the optional 3.23's. If 1st gear isn't selectable it probably is a 2.73 car as well.

 

what? that's what those stickers are for?...
that just makes things too easy!!!

i'm happy with my 2.73 gears. great for racing from 50mph+. however, street racing is bad, so i'm thinking about getting some gears more suitable for the track. i have 3.42's sitting in the garage i could swap in for free so that's the route i might go.