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4/18/11 10:38pm - Reply: 'Dern it..tach broke!'
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
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[QUOTE=yostusota]Anyhow what's the opinion on using the new shafts cam?? I have found that it used to be removed off the old one and brazed onto the new one..is this really necessary? ?[/QUOTE]

I've never seen one like that myself. Sounds kinda goofy...why the heck would someone do that, anyway? I could see doing it if you had a tach drive shaft, and needed a new cam, so you would steal one off a non-tach drive shaft, but...sounds a lot like something we would do back in the day, when we would have a ton of parts laying around gather dust, and no $$$$ to buy anything we needed. Can't see having to do that with the reproduction, and aftermarket suppliers out there these days.

You'll have to cut the old bushings out, if you do need to replace them. A really sharp chisel will do if yer careful. Check with yer Snappy or Matco guys...they have special bushing cutters...basically weird looking chisels.

The shaft from the '74 danascar has would work, too...


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Joel Adams
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4/19/11 9:43am - Reply: 'Dern it..tach broke!'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
From what I found is GM used 38 different advance cams between 68-74 so I guess the thought is that changing them will keep the stock advance curve..idk..I think if it looks ok I will use the new one and be done ..I can always modify the advance hole stop if need be..I do have a question about a stop button that can be installed into the stock housing..pn X2557 in the CA catalog..you have to machine the housing and install this brass bushing into it repairing the housing..one of those parts that I had to have..don't think my housing is all that bad but it would make a permanent repair..anyone done this??oh and I have to say ordering parts around 10 am and having them on my front door by 9 am is a wonderful thing! Really am starting to be a CA parts fan.

Richyostusota2011-04-19 06:48:03

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My first parade at Carlisle 2010
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4/19/11 12:48pm - Reply: 'Dern it..tach broke!'
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: 19449
How can you order parts at 10, and have then an hour before(9) you ordered themQuestion By golly, THAT'S some DANG good service! What...they readin yer mind er sumptin?

I've never heard of the cams on the dist shafts being different...unless we're talking about two different things. I'm thinkin you are talking about the cam that the points rub on...right? If so, then afaik, they're all the same.
There are different advance vacuum cans, of course, and different weights, springs, and slots on the mechanical advance dohicky....all of that is removable/changeable.


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Joel Adams
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4/19/11 12:54pm - Reply: 'Dern it..tach broke!'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
Well I just got lucky with the order then..they are only 80 miles from my house..so if they ship the day I call I get it the next morning..the part I am talking about is welded to the top of the shaft itself..advance cam..not really a big deal..I am now trying to put in the brass plug for the gears to ride on..fun fun..will post pics once I figure it out..

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4/19/11 5:58pm - Reply: 'Dern it..tach broke!'
Jaws79 Lifetime Member
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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops

Joined: 4/27/2008
Posts: 4211
I think what Joel meant was that you probably ordered the part at 10 PM, not AM. As he said, you can't get parts BEFORE you order them! Anyway, hope it turns out OK.
 
Barry
 
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4/19/11 6:09pm - Reply: 'Dern it..tach broke!'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
You guys are being silly..ordered parts 10am on Monday have them by 9 am Tuesday.

Rich

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My first parade at Carlisle 2010
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4/19/11 6:11pm - Reply: 'Dern it..tach broke!'
Jaws79 Lifetime Member
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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops

Joined: 4/27/2008
Posts: 4211
Now THAT makes sense!!!!
 
Barry
 
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4/25/11 9:56pm - Reply: 'Dern it..tach broke!'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
Here's a fun update on the tach drive..finally got the new brass bushing in..perfect..should get the new vacuum advance tomorrow! ! Then its setup time.

Rich


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My first parade at Carlisle 2010
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4/25/11 10:11pm - Reply: 'Dern it..tach broke!'
Jaws79 Lifetime Member
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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops

Joined: 4/27/2008
Posts: 4211
You've only got a couple of weeks, Rich! Looking good!
 
Barry
 
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4/25/11 10:17pm - Reply: 'Dern it..tach broke!'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
I will have it running tomorrow night..I redid the whole thing....looks like new..already have it put together..kinda exited to get the timing tuned in..

Rich

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My first parade at Carlisle 2010
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5/2/11 11:39am - Reply: 'Dern it..tach broke!'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
Got the distributor in the other night..just chucked it in and did an earball on it..ran pretty good..checked the timing friday night..35 dwell..8 intitial..not bad..set it at 30 dwell and turned out 14 initial gave me the 18 vacuum and 36 mech advance I was looking for..total for 47...ok now the car really runs..went sideways on a turn on the way home from a local vette club show Sunday..and I barely hit the gas..oh well..need to run get more blue so I can do it some more!!

Rich

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My first parade at Carlisle 2010
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5/2/11 6:59pm - Reply: 'Dern it..tach broke!'
Jaws79 Lifetime Member
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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops

Joined: 4/27/2008
Posts: 4211
Sounds good, Rich!
 
Barry
 
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5/3/11 5:15am - Reply: 'Dern it..tach broke!'
manget1 Lifetime Member
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Indianapolis, IN - USA

Vette(s):
Silver 1974 Convertible - L82 4 speed Low miles (was only 8,900 when I bought it in March 2006) - Now 42K miles. Original owner bought it as an investment for son's college expenses. 2008 Jetstream Blue Convertible - DAILY DRIVER!!

Joined: 9/3/2006
Posts: 2382
[QUOTE=Adams' Apple]How can you order parts at 10, and have then an hour before(9) you ordered themQuestion By golly, THAT'S some DANG good service! What...they readin yer mind er sumptin? [/QUOTE]
Joel, this method makes ordering simple!  OPen your package, see what ya got, then place your order for those items!!  Wink

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5/3/11 11:19am - Reply: 'Dern it..tach broke!'
T-Mans70,73 Lifetime Member
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Elma, WA - USA

Vette(s):
Red 1973 Convertible. L-48 Auto #'s matching Red 1970 LT-1 Convertible #'s matching

Joined: 6/25/2007
Posts: 692
I would just like to say how much I enjoy reading threads like this one.

He started with a problem many of us can assume we will have, posted his way though it and even posted pictures.

Glad its all fixed.

Thanks to all involved, I have a way greater understanding of whats happening in there!Thumbs Up


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Anything worth doing is worth overdoing
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5/3/11 11:50am - Reply: 'Dern it..tach broke!'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
These are fun ones aren't they...both your cars unless changed will have the tach drive in it..if it works ok it wouldn't hurt cleaning it out and putting fresh lube in there..the button I put in mine is a factory part in your cars..except I think its a plastic or rubber material..or it may have the brass button also..ya never know untill you take it apart..another thing that can be touchy is the angle at which the cable is..they sell those 90 degree thingys that are made for guys who put the distributor in 90 degrees off..the vacuum canister should point to the PS fender..which makes for a straight shot out of the distributor..getting these right really isn't all that hard..but if done wrong they can really kick you in the behind..plus they don't run as good...I love my points!

Rich

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My first parade at Carlisle 2010
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5/4/11 11:28am - Reply: 'Dern it..tach broke!'
T-Mans70,73 Lifetime Member
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Elma, WA - USA

Vette(s):
Red 1973 Convertible. L-48 Auto #'s matching Red 1970 LT-1 Convertible #'s matching

Joined: 6/25/2007
Posts: 692
Thanks again Rich. Really wish I was making the Gathering as that 69 is one of the cars I would love to see!

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Anything worth doing is worth overdoing
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5/4/11 11:31am - Reply: 'Dern it..tach broke!'
yostusota
Former Member
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
Check out my other thread buying another C3..rebuilding the TAs in it now..will do detailed pics also..

Rich

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My first parade at Carlisle 2010
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5/5/11 11:58am - Reply: 'Dern it..tach broke!'
T-Mans70,73 Lifetime Member
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Elma, WA - USA

Vette(s):
Red 1973 Convertible. L-48 Auto #'s matching Red 1970 LT-1 Convertible #'s matching

Joined: 6/25/2007
Posts: 692
I did check that thread out also and posted in it how cool it is you picked up a 73. That Blue is a great color!

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Anything worth doing is worth overdoing
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