How are 3.73's in an M6???
Thread Starter
Registered User
Joined: Feb 2001
Posts: 1,967
From: Bay Area, CA, USA
Originally posted by bunker
I don't like 3.73's they are bad for what i do, I ussually like to put it in 2nd when I race someone on the HWY doing 60mph, with 3.73's 2nd is too short & 3rd is too long, with 4.10's 3rd becomes my 2nd
& its way way fun to drive, also, gasmilage is uneffected with 4.10's, on the HWY doing 60mph in 6th gear you only notice a 150rpm difference between 4.10's & 3.42's, unless you start going 100mph you don't see much of a split so your gas milage is barely effected.
on the street though, I ended with better milage cuz the car was never under load after the gears, I love 4.10's & I'm never going back
I don't like 3.73's they are bad for what i do, I ussually like to put it in 2nd when I race someone on the HWY doing 60mph, with 3.73's 2nd is too short & 3rd is too long, with 4.10's 3rd becomes my 2nd
& its way way fun to drive, also, gasmilage is uneffected with 4.10's, on the HWY doing 60mph in 6th gear you only notice a 150rpm difference between 4.10's & 3.42's, unless you start going 100mph you don't see much of a split so your gas milage is barely effected.on the street though, I ended with better milage cuz the car was never under load after the gears, I love 4.10's & I'm never going back
Registered User
Joined: Aug 2002
Posts: 469
From: Buffalo NY
i went 3.42 to 3.73 with m6, and liked it. gas mileage really didnt change, rpms at highway are similar, felt alittle quicker at first, but you get used to it. i didnt see any change in track times though.
i probably will go back down to 3.42 when i add some more power, but for where i was its a good gear. if you are interested in what it will mean to you at the track, figure out what rpm, mph and gear you want to go through the traps with and what tire size you are using...
i probably will go back down to 3.42 when i add some more power, but for where i was its a good gear. if you are interested in what it will mean to you at the track, figure out what rpm, mph and gear you want to go through the traps with and what tire size you are using...
Registered User
Joined: Jul 2002
Posts: 1,277
From: Phoenix, AZ
I have driven M6's only and have had 3.42, 3.73 and 4.10's. I definitely like the way the 4.10's throw you back into the seat. For me, traction isn't a problem. I have 275's and keep them fresh with Formula V so breaking loose is not something that happens as often as others.
Ben
Ben
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Joined: Oct 2001
Posts: 6,070
From: newton, kansas, USA
I have 3.90's in my 8.8 and they are OK. I use to love them at first they were a great improvement over the 3.42's, but now i wish i would of gone more. If i could do it again i would do 4.10's maybe 4.30's. So IMHO i would go with 4.10's i don't think 3.73's would be enough.
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Joined: Oct 1998
Posts: 705
From: Southern CA
I ended up getting the 3.73's. These are excellent gears IMO for a supercharged or turboed car. You really don't need the 4:11's with this much power on the street. But if you like to race a lot, get the higher ratio. The 3.73's are compromise between street use and track use. I kind of get the feeling that 3.73 should have been installed stock by GM, but they could not because of the gas mileage issue. This is why they had to incorporate the CAGS system.
From a driveability standpoint, the 3.73 gears make 6th gear more usable, especially on hills. I imagine the 4.11's would help 6th gear even up hills but wouldn't be as friendly on a level road.
Also, 4.10 or 4:11 gears tend to make more noise than other gears.
From a driveability standpoint, the 3.73 gears make 6th gear more usable, especially on hills. I imagine the 4.11's would help 6th gear even up hills but wouldn't be as friendly on a level road.
Also, 4.10 or 4:11 gears tend to make more noise than other gears.
Thread Starter
Registered User
Joined: Feb 2001
Posts: 1,967
From: Bay Area, CA, USA
Originally posted by EDS Z28
I ended up getting the 3.73's. These are excellent gears IMO for a supercharged or turboed car. You really don't need the 4:11's with this much power on the street. But if you like to race a lot, get the higher ratio. The 3.73's are compromise between street use and track use. I kind of get the feeling that 3.73 should have been installed stock by GM, but they could not because of the gas mileage issue. This is why they had to incorporate the CAGS system.
From a driveability standpoint, the 3.73 gears make 6th gear more usable, especially on hills. I imagine the 4.11's would help 6th gear even up hills but wouldn't be as friendly on a level road.
Also, 4.10 or 4:11 gears tend to make more noise than other gears.
I ended up getting the 3.73's. These are excellent gears IMO for a supercharged or turboed car. You really don't need the 4:11's with this much power on the street. But if you like to race a lot, get the higher ratio. The 3.73's are compromise between street use and track use. I kind of get the feeling that 3.73 should have been installed stock by GM, but they could not because of the gas mileage issue. This is why they had to incorporate the CAGS system.
From a driveability standpoint, the 3.73 gears make 6th gear more usable, especially on hills. I imagine the 4.11's would help 6th gear even up hills but wouldn't be as friendly on a level road.
Also, 4.10 or 4:11 gears tend to make more noise than other gears.
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