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hey guys,

so my question is, for someone who likes to run his car on the street and maybe once a month run on the track, should i get 3.73s or 4.10s?

I've read that 3.73s are good for manuals whereas 4.10s are great for autos
and i've also read that the 3s are good for ppl who cant launch and the 4s are all around good

my car is basically stock and im looking for some extra pep:eek:
 

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Billy Weston
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When was there a debate? I haven't ever meet someone with 4.10s that said "man I wish I went 3.73". Its always the other way around. 4.10s end of the debate.......
 

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I had 4.10's and I hated them. The 4.10's run out too quick with the 5-speed tranny. I have the 3.73's now, and they are great. If you had a 6-speed, the 4.10's would be the best.
+1

The more hp you have, the smaller gear you wish you'll have...if its a street car. 3.73 > 4.10 for the street w/ high hp *IMO*.

If its a drag car, then 4.10's will be excellent, but think about this... if you're driving on the street... do you want to have to shift every 2 seconds? Do you want your power band to run out extremely fast in a high hp car?
Or do you want to still be fast and have to shift every 4 seconds? and stay in your powerband longer (especially good if you have FI, thats why everyone with FI gets 3.73's).

the t56 tranny is geared much different than than the t45 or the t3650, the gears are much steeper (hit a higher mph in the gear you're in) in the t56 so 4.10's would be much better.
 

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Good Lord, just get the 373s and be a big ole girl with a car thats slower than your friends with the 4.10s.
 

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It really depends on what you want out of it. Me personally, the only thing I care about is lowering my E/T. I never street race. If this describes you, then go with the 4.10's. If you street race and plan to go FI, then the 3.73's is your best bet.

Off topic, but someone said 4.10's only help you like 1 tenth. While this may be true, if you consider that in every mod you buy, that's quite a few tenths. I almost always go for the part that will only help a little bit more then the competition and costs more. 10 tenths make a second.
 

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MM's Mad Scientist
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It really depends on what you want out of it. Me personally, the only thing I care about is lowering my E/T. I never street race. If this describes you, then go with the 4.10's. If you street race and plan to go FI, then the 3.73's is your best bet.

Off topic, but someone said 4.10's only help you like 1 tenth. While this may be true, if you consider thads in every mod you buy, that's quite a few tenths. I almost always go for the part that will only help a little bit more then the competition and costs more. 10 tenths make a second.
There is always a trade off though. You will risk running out of gear in the 1/4 if you have a good bit of power. Wheel spin will be worse with the 4.10's. Gear changes will come up quicker. These are all thing to consider.
 

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There is always a trade off though. You will risk running out of gear in the 1/4 if you have a good bit of power. Wheel spin will be worse with the 4.10's. Gear changes will come up quicker. These are all thing to consider.
True indeed. But a good driver with good tires and good track prep (ideal conditions) will see lower E/T's from 4.10's.
 

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See ya'll will notice a big difference goin to 3.73 and even 4.10...the new S197's like mine come with 3.55 and if i switch to 3.73's im not goin to notice a good difference which sucks on the street...but with 275/40 r17 DR's my effective gear ratio with 3.55 gears and those tires at the track is 3.77. If i switched to 3.73's at the track where it really counts my effective gear ratio will be 3.95....so it really depends on what tires you use. I went down to 17's for the rear on the track because they are lighter and the slightly smaller tire increases the gear ratio up to a 3.77 with my 3.55. Just another thing to consider thats all.
 
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