Transmissions and Drivetrain Need help with your trans? Problems with your axle?

410's

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Old Feb 14, 2009 | 08:34 PM
  #1  
xpbxwrecked1's Avatar
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Joined: Nov 2007
Posts: 47
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From: windsor, ontario
Car: 87 mustang gt 89 camaro
Engine: 302 355 tpi
Transmission: manual
Axle/Gears: 3.55 and 3.42 posi
410's

how well would 4.10's work on a 89 slightly modified 350 tpi with a wc t-5?

gonna be a daily street driven car
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Old Feb 14, 2009 | 08:56 PM
  #2  
AlkyIROC's Avatar
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Joined: Jul 1999
Posts: 17,262
Likes: 168
From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: 410's

First gear will be useless
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Old Feb 15, 2009 | 09:57 PM
  #3  
xpbxwrecked1's Avatar
Thread Starter
Junior Member
 
Joined: Nov 2007
Posts: 47
Likes: 0
From: windsor, ontario
Car: 87 mustang gt 89 camaro
Engine: 302 355 tpi
Transmission: manual
Axle/Gears: 3.55 and 3.42 posi
Re: 410's

useless because theyll burn the tires to easily or cuz ill have to shift too soon
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Old Feb 15, 2009 | 10:10 PM
  #4  
82Five-O's Avatar
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Joined: Nov 2007
Posts: 291
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From: Fort Worth, TX
Car: 82 Sport coupe
Engine: 355 semi roller
Transmission: TH-350 B&M ratchet shifter
Axle/Gears: 3.73 Eaton Posi
Re: 410's

Cuz youll have to shift so soon. Go with 373's if you gonna drive it daily, unless you just like the feeling of driving a tractor on the street!
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Old Feb 16, 2009 | 12:44 AM
  #5  
Air_Adam's Avatar
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Joined: Oct 2002
Posts: 9,067
Likes: 1
From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Re: 410's

3.42 is probably the best street/strip gear for a basically stock L98. The L98 doesnt have a long enough powerband to use a gear like a 4.10, it will just run outta steam right away. 3.73 would be ok, but IMO 3.42 would be the best gear. I have 3.42 gears behind my LT1 and T56 and it feels like the best street gear overall. Stock LT1 and stock L98 aren't really all that different on the street. Decent HP, but gobs of torque... use the taller gear to take advantage of the torque.
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