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4.10's on 120K motor and tranny

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Old 02-12-2007, 12:19 AM
  #11  
ih8chevy
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Default RE: 4.10's on 120K motor and tranny

+1 and yea gears dont add hp, but they feel like a good 30 wheel. u will love em
ORIGINAL: bigjohnson4.6gt

dont fear the gear, go 4:56
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Old 02-12-2007, 12:48 AM
  #12  
Quicktime_GT
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Default RE: 4.10's on 120K motor and tranny

ORIGINAL: bigjohnson4.6gt

dont fear the gear, go 4:56
when people say things like this ask them what gear ratio is in their car and how much driving they do.. don't be stupid your car would turn 2900 rpms at 65 mph with 4.56s. It will turn 2337 @ 65 with 4.10s 2233 @ 65 with 3.90s and 2126 @65 with 3.73s.

Also keep in mind... alot of people who yell don't fear the gear or go 4.10s may be driving a 01.5 + car with a 3650 tranny.. their 5th gear is somewhat higher. 4.10s w/ a 3650 turns about the same rpms as 3.73s w/ a t45 in 5th.
I have 4.10s but thats with a 3650... I wouldn't want it any lower for highway driving. I'd suggest 3.73s or a motive 3.90 gear. ETs will change little if any between a 3.73 and a 4.10 gear anyways...
also keep in mind low gears + street tires = tire smoke. If your looking to cut some good times you'll need some new tires too..

Sure lower gears feel faster because your car pulls harder in higher gears.. well all your doing is lowering the gear ratio... Your car "pulls " harder in 3rd than 5th too but you don't drive around in 3rd all the time. Gears help you off the line ... if you don't use them there your not going to get much out of them..
Go here: http://www.tchracing.com/tech/gearca...selectedgear=5

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Old 02-12-2007, 10:56 AM
  #13  
bigjohnson4.6gt
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Default RE: 4.10's on 120K motor and tranny

im getting 4:30's
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Old 02-12-2007, 12:07 PM
  #14  
AJ06GT
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Default RE: 4.10's on 120K motor and tranny

They don't affect the wear on your engine, you affect the wear on your engine. They will make the car pull harder, but ultimately it depends on the driver. If you drive it soft now, then get gears and hammer it, then sure you'll end up with more wear, but that's because of how you're driving it (of course it will be a lot more tempting to hammer it once you have gears).
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Old 02-12-2007, 09:35 PM
  #15  
99gtstang
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Default RE: 4.10's on 120K motor and tranny

ORIGINAL: Quicktime_GT

ORIGINAL: bigjohnson4.6gt

dont fear the gear, go 4:56
when people say things like this ask them what gear ratio is in their car and how much driving they do.. don't be stupid your car would turn 2900 rpms at 65 mph with 4.56s. It will turn 2337 @ 65 with 4.10s 2233 @ 65 with 3.90s and 2126 @65 with 3.73s.

Also keep in mind... alot of people who yell don't fear the gear or go 4.10s may be driving a 01.5 + car with a 3650 tranny.. their 5th gear is somewhat higher. 4.10s w/ a 3650 turns about the same rpms as 3.73s w/ a t45 in 5th.
I have 4.10s but thats with a 3650... I wouldn't want it any lower for highway driving. I'd suggest 3.73s or a motive 3.90 gear. ETs will change little if any between a 3.73 and a 4.10 gear anyways...
also keep in mind low gears + street tires = tire smoke. If your looking to cut some good times you'll need some new tires too..

Sure lower gears feel faster because your car pulls harder in higher gears.. well all your doing is lowering the gear ratio... Your car "pulls " harder in 3rd than 5th too but you don't drive around in 3rd all the time. Gears help you off the line ... if you don't use them there your not going to get much out of them..
Go here: http://www.tchracing.com/tech/gearca...selectedgear=5


good write up

Thanks i think 3.73s will work for me i drive 70-80 mph for about 50 miles a day
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Old 02-12-2007, 10:31 PM
  #16  
uofipilot
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Default RE: 4.10's on 120K motor and tranny

ORIGINAL: AJ97GT

They don't affect the wear on your engine, you affect the wear on your engine. They will make the car pull harder, but ultimately it depends on the driver. If you drive it soft now, then get gears and hammer it, then sure you'll end up with more wear, but that's because of how you're driving it (of course it will be a lot more tempting to hammer it once you have gears).
I agree and disagree. If you dont change your driving AT ALL and switch from 3.27s to 4.10s, you will put more wear on the engine. BUT, it does depend on the driver. I dont really drive the stang on long trips, so I would definatly go 4.10s, but if you drive 50-60 miles a day, you might want to think about leaving it stock or just going to 3.73s.
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