I have the correct Speedometer reading ? HELP ¡¡¡

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Aug 17, 2002 | 04:46 PM

Calderone

Thread Starter

Supreme Member

Joined: Mar 2001

Posts: 1,092

Likes: 1

Car: 87 Vette

Engine: 355/195AFR/SR/219CAM/1.6

Transmission: TH700R4/Vigilante

Axle/Gears: D44/3.45

I have the correct Speedometer reading ? HELP ¡¡¡

Well this is my case :
I have a 1982 V6 Firebird that came with :
14 Inch rims --3.08 rear end--TH200C transmission

then....i modified it to :

15 inch rims (215/60/R15)--2.73 rear end --TH200C transmission from a 2.5 1983 camaro

I am receiving the correct speedometer reading ??
I have no idea....Help me someone ..Thanks ¡¡¡¡

Aug 18, 2002 | 12:42 PM

Calderone

Thread Starter

Supreme Member

Joined: Mar 2001

Posts: 1,092

Likes: 1

Car: 87 Vette

Engine: 355/195AFR/SR/219CAM/1.6

Transmission: TH700R4/Vigilante

Axle/Gears: D44/3.45

Please i need info

Anyone ?

Aug 18, 2002 | 01:18 PM

1991tealRSt-topGuy

Supreme Member

Joined: Jul 2000

Posts: 4,541

Likes: 2

Car: 1991 Corvette Coupe

Engine: L98

Transmission: 700R4/4L60 same trans different name

judging by the switch to 15 inch rims and 2.73 rear gears, i'd say your speedo is off

Aug 18, 2002 | 01:21 PM

Calderone

Thread Starter

Supreme Member

Joined: Mar 2001

Posts: 1,092

Likes: 1

Car: 87 Vette

Engine: 355/195AFR/SR/219CAM/1.6

Transmission: TH700R4/Vigilante

Axle/Gears: D44/3.45

I know

Im sure it doesnt have the correct reading but i need
the difference...when im goin at
100kmh o 60mph on the speedo im goin faster or slower ?
Help

Aug 19, 2002 | 10:38 PM

92blue

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Joined: Feb 2002

Posts: 1,081

Likes: 3

From: Florida

Car: 1992 Camaro RS

Engine: Yet another 350 TPI

Transmission: Borg Warner 6 spd

Axle/Gears: 3.73

Try getting a buddy to drive next to you in another car at a given speed, and see what your speedometer says. I know factory speedometers aren't exact, but they are close enough for you to judge how far you are off by.