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Discussing 4:30 Gears in the 99-04 Forum. Does anyone know the top speed with 4:30 gears? i am still deciding between ...

       

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Old August 18th, 2008, 09:38 PM   #1
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4:30 Gears


Does anyone know the top speed with 4:30 gears? i am still deciding between 4:10's and 4:30's and im not really concerned with gas mileage
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Old August 18th, 2008, 09:41 PM   #2
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like 170 mph

no need to worry about top speed. you car doesn't have the power or road to hit it anyway.
 
Old August 18th, 2008, 09:46 PM   #3
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any chance u would know what rpm u would be at in fifth gear at around 70 mph?
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Old August 18th, 2008, 09:48 PM   #4
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not off hand but if you google "gear ratio calculator" I am sure you can find it.
 
Old August 18th, 2008, 09:54 PM   #5
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cool thanks man
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Old August 19th, 2008, 04:23 AM   #6
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Originally Posted by thepizzle44 View Post
any chance u would know what rpm u would be at in fifth gear at around 70 mph?

Depends on your tire size but w/ the stock size you should be turning between 2600-2700 rpms
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Old August 19th, 2008, 04:54 PM   #7
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Here's my Speed in Gear calculator...
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Old August 19th, 2008, 05:04 PM   #8
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^ good stuff
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Old August 19th, 2008, 07:49 PM   #9
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damn that site is the shit!!!!!!!!!!
 
Old August 19th, 2008, 09:40 PM   #10
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I have 4.10's 2000rpm at 55mph...
I'm getting 1.60 60ft times i love my 4.10's...
 
Old August 20th, 2008, 12:29 AM   #11
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i've been contemplating 4.30s vs 4.10s as well..
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Old August 20th, 2008, 11:36 AM   #12
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Any more then 4.10's and your car will be half way through the power band driving at 55mph...
Hope you don't have loud mufflers you wont be able to hear the Radio...
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Old August 20th, 2008, 05:59 PM   #13
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^
at a rate of 55mph
in fourth youd be around 3100 w/ 4.30s
in fifth youd be around 1800 w/ 4.30s
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Old August 20th, 2008, 06:42 PM   #14
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What gears do you guys recomend for an automatic with a blower on? Im debating between 3.73 and 4.10
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Old August 20th, 2008, 08:58 PM   #15
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eh shouldnt be too bad for me i only have a magnaflow cat back, shorties and im plannin on gettin a catted h pipe...but the 4:30's would be pretty tit.
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Old August 20th, 2008, 09:00 PM   #16
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awesome calculator too cliffyk...thanks man
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Old August 20th, 2008, 09:02 PM   #17
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3.55's you have the TQ for the bottom end and need the gear for top end...
And would still get good gas millage...
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Old August 20th, 2008, 09:05 PM   #18
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Originally Posted by whtpny View Post
^
at a rate of 55mph
in fourth youd be around 3100 w/ 4.30s
in fifth youd be around 1800 w/ 4.30s
Good luck with that one..
4.10's at 55 2000 in 5th gear with a 3650...
It will cruise around 24 to 2500 at 65 to 70mph...
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Old August 21st, 2008, 01:55 AM   #19
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^ your wrong there, chief
55mph in 5th gear would be around 1700 with 4.10s
at 2000rpm you would be at 58 mph (or 61)*
at 2500rpm you would be at 73 mph (or 76)*
* if you have 275s on the rear the other mphs are with stock 245
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Old August 21st, 2008, 02:55 AM   #20
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I think 4.30's are way too much gear for a 2v.
 
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