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Changing gears-affect speedometer??

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Old Sep 20, 2001 | 06:33 PM
  #1  
BowtieFever's Avatar
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Joined: Mar 2001
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From: Turnersville, NJ
Changing gears-affect speedometer??

Was thinking of putting 3.42 gears. How much? How difficult? And will my speedo be off?

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92 Camaro RS
305 TBI
T-Tops
DynoMax Cat-Back Exhaust
Gutted Cat
Hypertech Thermomaster Chip
Custom K$N open element cold air intake
Custom Interior
Window Tint

Kenwood El-Kameleon Head Unit
Pyramid 6x 9's
Jensen 5 1/4's
2- 10" Kenwood Cyclone Subs
Pyramid 600 Watt Amp
Best ET: 15.976 @ 86.01 mph
reaction time: 0.479
60 ft: 2.269
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Old Sep 20, 2001 | 06:51 PM
  #2  
Enkil's Avatar
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Joined: Dec 2000
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From: Raleigh, NC, USA
Not much, not hard, and yes your speedo will be off, unless you get a new speedo gear or different sized tires to make up for the difference.

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89 iroc-z 305 tbi
k&n filtercharger, open element air filter. nuffin' else
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Old Sep 20, 2001 | 06:54 PM
  #3  
poncho9789's Avatar
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From: LONGVIEW TX . USA
Cost would prob be under $500 for a pro to set the gears and the gears. For the speedo yes it will change the speed reading. Look on the frequently asked questions section for the right speedo gear for your axle change.
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Old Sep 20, 2001 | 07:36 PM
  #4  
Mark A Shields's Avatar
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From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
It will affect your odometer as well.

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'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
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160* Stat
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