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Dern it..tach broke!

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Dern it..tach broke!

Posted: 4/8/11 11:11amMessage 1 of 38
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York, PA - USA
Joined: 5/18/2010
Posts: 1518
Vette(s): 1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top
My tach quite after driving down to Rodneys yesterday..it does move a hair up and down..I removed the end from the distributor..should there be a machined piece on the end or not..and which way do I turn this to see if the cable is ok..don't want to damage the tach by spinning it the wrong way..and the dern speedo is stuck at 22mph..will go higher but not lower..I can handle that one ok..its just a pita to have both die out at the same time.

Rich

My first parade at Carlisle 2010
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Dern it..tach broke!

Posted: 4/8/11 11:15amMessage 2 of 38
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HOWELL, NJ - USA
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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.
Can you see if you have something busted off where it goes in?

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Dern it..tach broke!

Posted: 4/8/11 11:54amMessage 3 of 38
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York, PA - USA
Joined: 5/18/2010
Posts: 1518
Vette(s): 1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top
I forgot my bor scope at work..so not without pulling the distributor..I wanted to see if it had an end crimped on it like the speedo..

Rich

My first parade at Carlisle 2010
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Dern it..tach broke!

Posted: 4/8/11 12:40pmMessage 4 of 38
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Sykesville, MD - USA
Joined: 4/27/2008
Posts: 4240
Vette(s): 1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops
Hey, Rich, at least if you have to pull the dash you can do them both at once!
 
Barry
 
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Dern it..tach broke!

Posted: 4/8/11 12:45pmMessage 5 of 38
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Sykesville, MD - USA
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Vette(s): 1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops
And shouldn't you get one of those right angle thingies to prevent cable damage?
 
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Dern it..tach broke!

Posted: 4/8/11 1:40pmMessage 6 of 38
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York, PA - USA
Joined: 5/18/2010
Posts: 1518
Vette(s): 1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top
Nah Barry..you only need that if you don't know how to put in the distributor..I think I can remove the cable from the tach and see if it turns..hopefully it didn't break in there!

Rich

My first parade at Carlisle 2010
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Dern it..tach broke!

Posted: 4/8/11 1:50pmMessage 7 of 38
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Sykesville, MD - USA
Joined: 4/27/2008
Posts: 4240
Vette(s): 1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops
Thats why I like my electric one!
 
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Dern it..tach broke!

Posted: 4/8/11 5:50pmMessage 8 of 38
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Charlottesville, VA - USA
Joined: 9/3/2010
Posts: 104
Vette(s): 1978 Silver Anniversary L82 Previously: 1965 300hp Coupe in 1967. 1967 435hp Coupe in 1968-70. 1969 350hp T-top w/ac and all power options.
Hi Rich, I had the tach on my '69 350/350 go out due to the brass drive gear in the distributor stripping. I replaced the gear and it soon went dead again. It turned out that the distributor shaft splined gear had one chipped tooth. I went with an electric SUN tach after that!

Joe T
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Dern it..tach broke!

Posted: 4/8/11 8:02pmMessage 9 of 38
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Duncanville, TX - USA
Joined: 11/8/2003
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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
The tach cable end that goes into the dist should be pressed into a square...no attachments or anything...just cable. I'm kinna thinkin like Joe...it may be the driven gear, or the dist shaft is damaged.
The speedo being stuck, or not going lower than 22 is certainly a problem in the speedo head itself. Once it does start registering, is it correct, or is it off?

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Dern it..tach broke!

Posted: 4/8/11 8:50pmMessage 10 of 38
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York, PA - USA
Joined: 5/18/2010
Posts: 1518
Vette(s): 1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top
Yeah..once I get moving it works fine..if I tap on the dash below it goes down..I will check the cable in the morning..plan on a show in the afternoon..so I wont be doing much with it..

Rich

My first parade at Carlisle 2010
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