TO KEEP OR NOT TO KEEP 308s
10-21-2003, 08:41 AM
#1
1st Gear Member
Thread Starter
Join Date: Sep 2003
Location: United States
Posts: 62
TO KEEP OR NOT TO KEEP 308s
I just bought an 87 GT for 2 grand. I am wondering how rare 308s are on an 87? I know a mechanic that will install gears for free. I was thinking about gettting 373s but I think they might get annoying at times. are the 308s any good as far as performance. I know the 273 arent at all- thats what i had in my 89. thanks for the help
10-21-2003, 03:13 PM
#5
2nd Gear Member
Join Date: May 2003
Location: United States
Posts: 357
TO KEEP OR NOT TO KEEP 308s
dude when you start racing and your using drag radials and your car dies at the line with the 3.55's and all the other cars are beating you then you will want to step up to the 3.73 and no0t care about the street.
10-22-2003, 08:49 PM
#7
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Join Date: May 2003
Location: United States
Posts: 357
TO KEEP OR NOT TO KEEP 308s
na at 60 miles per hour on the high way im at like 2200 rpms. its pretty close between the 3.55s and the 3.73 in that aspect but it feels like its got more torque with the 3.73's.
10-23-2003, 03:24 AM
#8
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Join Date: Oct 2003
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TO KEEP OR NOT TO KEEP 308s
I started off with 3.55's back in 94. All my friends told me the 3.73's would kill the gas mileage and what not. Well, I wasn't the best at launching and would constantly bog it off the line with ET streets on the car. </P>
In 96 I threw in a set of 3.73's and it made a world of difference getting the car to launch. It does use a little more rpm and gas but you will be happier with the 3.73's. With the 347 in the car I usually start in 2nd gear (just driving not racing) wind it out to 2000rpm, shift to 4th, then 5th. So technically you can shift less.</P>
10-23-2003, 01:52 PM
#9
3rd Gear Member
Join Date: Sep 2003
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TO KEEP OR NOT TO KEEP 308s
i have stock gears in my 86 (i think) GT and in 5th gear at 60 mph im only at like 2 grand and at 85 2.75 or something around there then after about 110 mph then im at like 3.5 grand goin on 4. So does that sound like stock gears
10-23-2003, 02:00 PM
#10
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Join Date: Jul 2003
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TO KEEP OR NOT TO KEEP 308s
NO..2;73 @ 55 IS AROUND 1450-1470
THATS WHY i RECOMMEND 3"55 FOR THE STREET.. starting off in second is a pita as your have to slightly feather the clutch out..55's you get some use and the diff in 60ft times in minimal...now if your have a WC T-5 then I would go with the :73 because of the 2.95 first gears vs the 3.36 for the reg t-5
THATS WHY i RECOMMEND 3"55 FOR THE STREET.. starting off in second is a pita as your have to slightly feather the clutch out..55's you get some use and the diff in 60ft times in minimal...now if your have a WC T-5 then I would go with the :73 because of the 2.95 first gears vs the 3.36 for the reg t-5