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How To Rebuild Corvette Rolling Chassis 1963-1982
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5/12/10 4:51pm - Original Message: '700r & your speedometer'
81zoomzoom
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Lusby, MD - USA

Vette(s):
1981 WHITE ALT WITH ALL THE BELLS

Joined: 10/18/2003
Posts: 56
 Hi guys guess how got a speeding ticket.Cry   74 in a 50.    I dont think I was going that fast.  Could it be off from the trans job. Anyway check your speedometer so you guys dont get a ticket too Car is runing real good.  seeya charlie
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5/12/10 4:56pm - Reply: '700r & your speedometer'
DaveM Lifetime Member
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Flanders, NJ - USA

Vette(s):
1982 Black, ZZ4, Hooker Side Pipes, 3.55 Rear, Rebuilt & upgraded 700R4, All new suspension, brakes, & new Charcoal interior.

Joined: 1/27/2004
Posts: 2530
Changing the trans won't affect the speedo unless the new trans had the wrong speedometer gear in the tail housing.
Dave


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5/13/10 12:59pm - Reply: '700r & your speedometer'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19447
Yup..have you done a swap recently? If so, then the speedo gears are not correct.

dohNOW I remember!!! You just went thru a bunch-o-crap with your trans, as I recall. It was a 700 swap.

Anyway, yeah, they have the wrong speedo gears in the trans. You'll need to have the gears changed in order for the speedo to be correct....Ouch
Adams' Apple2010-05-13 10:04:01

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5/13/10 6:26pm - Reply: '700r & your speedometer'
JimG Lifetime Member
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Gloucester, VA - USA

Vette(s):
1979 T-Top, Metallic Green ZZ4 350/355 hp 405 ft/lbs torque Dual Spal Fans 700R4 4 Spd O/D Transmission 2004 Z06 Commemorative Edition

Joined: 1/29/2005
Posts: 1453
Yep...that'll do it...ask me how I know...

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5/13/10 9:15pm - Reply: '700r & your speedometer'
lukesvette Lifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.

Joined: 5/18/2004
Posts: 6804
I'm currently doin 30 at 55!!!  

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5/13/10 9:27pm - Reply: '700r & your speedometer'
Redwingvette Lifetime Member
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Waterford, MI - USA

Vette(s):
1973 Red coupe

Joined: 9/13/2002
Posts: 1674
Here is a link to calculate the gears you need.

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Brian - NCM Lifetime Member
          
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3.55 gear BTO 200-4R trans,
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