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Author
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Topic: 3.90 Gears
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Madstyle1
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Member # 4717
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posted
 
 
Do any of you guys recommend 3.90 gears as a oppose to 3.73's?
Posts: 362 | From: South Sac | Registered: Jul 2004
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AJBlackGT
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Member # 3936
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posted
The only reason i wouldnt is because i'd rather have a ford gearset to make sure they dont whine. Are you scared to go up to a 4.10?
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90 Notch
Posts: 1896 | From: Sacramento | Registered: Dec 2003
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Jeff S
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Member # 371
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posted
3.90 gears are great for certain cars/combos.
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'90 Mustang LX: 8.53 @ 157.92 w/ 1.33 60' on DR's
'10 ZR1: FOR SALE
'14 E63 S: RENNtech ECU
'04 Gallardo: UGR TTG
Posts: 2121 | From: San Jose, CA | Registered: Aug 2001
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Madstyle1
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Member # 4717
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posted
Im alittle hesitant about getting 4.10, only because its crap on the highway.... but i do rarely drive the car.. im leaning towards 4.10 though, I was just curious about the 3.90's if its even worth getting..
Posts: 362 | From: South Sac | Registered: Jul 2004
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Wildfire532FB
CAFords OG
Member # 1482
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posted
quote:
Originally posted by 1991CHP:
What do you guys & gals think about 4:10's, as to 3:73's????
4.10s for racing
3.73s for driving and sometimes racing.
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68 Fastback
84 CJ7
94 HMMWV
95 GT
03 F350
17 Fusion Hybrid
Posts: 17578 | From: 530 | Registered: Jun 2002
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Madstyle1
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Member # 4717
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posted
people who got 4.10's, do u guys regret getting them??
Posts: 362 | From: South Sac | Registered: Jul 2004
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BUCK_FIFTY
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Member # 728
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posted
Does nyone know how many teeth the 3.90 ring and pinion have? This one guy is trying to sell me some 3.90's for $75 but I counted 41 teeth on the ring. I didn't get a chance to count the pinion. ![[Confused]](confused.gif)
Posts: 789 | From: 510 | Registered: Jan 2002
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AJBlackGT
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Member # 3936
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posted
I've got 4.10s and a 5 speed and love em. They are a pain on the highway, but i rarely drive on the highway and can deal with it revving at 3k when i'm doing 85. Its not that bad...Dont fear the gear
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90 Notch
Posts: 1896 | From: Sacramento | Registered: Dec 2003
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HaulinAss Motorsports
Its a STREETRaceCar!
Member # 541
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posted
using a 3:55 as a baseline here is what to expect
from a 3:55 to a 3:73 you will have 200rpm differnece
from 3:55 to a 3:90 you will have a 300rpm difference
from a 3:55 to a 4:10 you will see a 400 rpm difference
thats is at speed on the freeway
Posts: 22472 | From: Sacramento | Registered: Nov 2001
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nitrous_bob
CAFords OG
Member # 77
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posted
quote:
Originally posted by Madstyle1:
people who got 4.10's, do u guys regret getting them??
no way...but i've regretted only going 3.73's before.
mileage isn't that much worse from 3.73 to 4.10
from 2.73 to 4.10 yes....but if your going to do a gear swap...the little bit more you lose is well worth it.
you tach about 3 grand 65-70
my old notch went 13.20's w/ 4.10's , exhaust & et streets....thats it....12.50's on the bottle
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5.0 OG since 1990
Posts: 1402 | From: st clair shores MI | Registered: Nov 2000
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h8louzn
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Member # 1075
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posted
I had 4.10's in my car with 255/60/15's and t-z and drove it on the freeway all the time.
Loved them for what I was doing.
Posts: 593 | From: Sac. | Registered: Mar 2002
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