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Old 03-02-2016, 12:24 PM   #1
LostMy65
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Re: Lost My 65

Thank you.
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Old 03-09-2016, 11:55 AM   #2
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Re: Lost My 65

Moved to Projects and Builds per OP.
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Old 03-09-2016, 12:06 PM   #3
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Re: Lost My 65

I guess I had better get started 'building'. ;-)
.
Thanks Mike.
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Old 03-09-2016, 12:42 PM   #4
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Re: Lost My 65

Either the heavy piece of diamond plate steel in the bed, or a combination of that and old weak springs, the truck can't hardly handle a load. A guy I met yesterday gave me these heavy springs. I figured I give them a try.

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Old 03-09-2016, 02:45 PM   #5
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Re: Lost My 65

Those look like 1 ton units...
You might consider swapping the springs out for a HD set of air springs.. AKA "bags"...
I had a set on my 3/4 ton. I ran separate lines to Shrader valves on my license plate and they worked fantastic.
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Old 03-09-2016, 09:28 PM   #6
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Re: Lost My 65

Yeah, bags with Schrader valves is definitely on my list for the future.
These were free, so I figured I might as well install them.
The truck has air shocks, and the only way I could keep the tires from rubbing on the fenders was to keep the shocks aired up. Which gave me a stiff ride.
These bigger Springs have my butt up higher than I want, but the wheels I have are only 25" tall.
If I was to go to 28" tires, the wheels would be an 1-1/2 closer to the fenders.
These will tide me over.
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Old 03-09-2016, 09:46 PM   #7
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Re: Lost My 65

I used 30 spline 10 bolt axles from a nova diff..
Installed those into a, narrowed for the axels,
86 C10 8.5 inch 10 bolt. Redrilled for 5 on 5 and
used truck drums..
this setup put the same wheels you have square in the center of the wheel well. .. :-)
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Old 03-09-2016, 10:00 PM   #8
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Re: Lost My 65

When I went to swap in the 3.73 rear, I popped a drum off to check the brake shoes. The springs looked clean, and the shoes were good, so I went with that, also because I couldn't get the other drum off. :-(
Well yesterday, when I pulled the wheels off to install the bigger coil springs, I figured I'd pop off the other drum.
Backed the star all the way off and still couldn't it off.
Three flat bars wedged in between the drum and the backing plate, and it finally popped off.
Good thing. I've never seen shoes so bad.

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Old 03-10-2016, 12:06 PM   #9
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Re: Lost My 65

Glad you pulled that drum I bet!
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Old 03-10-2016, 12:55 PM   #10
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Re: Lost My 65

Thats interesting.
Wonder what caused the shoes to split like that.
defective brand? heat? age?
Thanks for showing.
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Old 03-16-2016, 07:24 PM   #11
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Re: Lost My 65

Quote:
Originally Posted by Bomp View Post
Thats interesting.
Wonder what caused the shoes to split like that.
defective brand? heat? age?
Thanks for showing.
I got the axle from a guy I helped on a project.
It came off a truck he was driving daily until he wrecked it.
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Old 03-10-2016, 05:29 PM   #12
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Re: Lost My 65

Here's a shot outside with the heavier Springs.
Too high in the back. I'm fine with it for now.
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Old 03-10-2016, 07:03 PM   #13
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Re: Lost My 65

It looks good. Just throw some cargo in there and it will take care of that rake.



BTW, I do like the rake.
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Old 03-10-2016, 08:00 PM   #14
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Re: Lost My 65

Still haven't resolved the vibration issue.
Below is a pic of the way it was at first. #1
And then the way it is now with three heavy washers under the back of the axle perches. #3
In all positions, I haven't really noticed a significant change in the type, intensity, or duration of the vibration.
And it still occurs right around 37mph or 1900 rpm.
My thinking is it has to be the driveline itself.
If it was the pinion angle, I'd expect the vibration to change in some manner. But in all three positions in the pic below, the vibration remains the same.
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Old 03-11-2016, 01:23 AM   #15
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Re: Lost My 65

Yeah #3 is how it should be. Have you checked your tires for separating plies? I have had tires start to separate, causing a vibration at certain speeds.
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Old 03-11-2016, 09:29 PM   #16
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Re: Lost My 65

Quote:
Originally Posted by Captainfab View Post
Yeah #3 is how it should be. Have you checked your tires for separating plies? I have had tires start to separate, causing a vibration at certain speeds.
I approve of this suggestion.
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Old 03-11-2016, 10:10 PM   #17
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Re: Lost My 65

Quote:
Originally Posted by Captainfab View Post
Yeah #3 is how it should be. Have you checked your tires for separating plies? I have had tires start to separate, causing a vibration at certain speeds.
I have 4 stock 79 chevy 6-lug wheels that I'll try on next week to see if that changes the vibration.
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Old 03-11-2016, 10:10 PM   #18
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Re: Lost My 65

Can't help with the vibration, but I think it looks good. I like the rake.
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Old 03-11-2016, 10:11 PM   #19
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Re: Lost My 65

Quote:
Originally Posted by jdl71 View Post
Can't help with the vibration, but I think it looks good. I like the rake.
Thank you.
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Old 03-11-2016, 10:38 PM   #20
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Re: Lost My 65

The pinion and tail shaft have to be at the same angle. Check them with a digital angle finder. Or you can down load an app for your smart phone if you have one. If you pinion shaft is at 3 degrees you tail shaft has to match at 3 degrees.
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Old 03-11-2016, 10:40 PM   #21
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Re: Lost My 65

I did use a Johnson Angle Finder.
I didn't think of using an app for my phone - good idea.
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Old 03-11-2016, 10:45 PM   #22
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Re: Lost My 65

Just downloaded the app.
I wish I would have thought of that sooner.
Good suggestion. Thanks
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Old 03-16-2016, 06:58 PM   #23
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Re: Lost My 65

Saving this for future reference for my wipers:
http://67-72chevytrucks.com/vboard/s...93#post4365093
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Old 03-16-2016, 07:43 PM   #24
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Re: Lost My 65

I like the app idea. I will get to confirm angles on mine. I thought if I had the top of manifold level I would be close as the manifold has the angle set to level the carb. Curious to see how you resolve this. Wished I could help truck looks good.
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Old 03-17-2016, 04:37 PM   #25
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Re: Lost My 65

Alright, so I used the phone app. I laid it across the carburetor and got 2.2 degrees. Slapped it against the rear axle and got 2.2 degrees. Well, actually I used the setting in the app to rotate the angle finder 90 degrees so I could get the perpendicular angle.
The flat section of the axle where the cover mounts is perfectly perpendicular to the top of the carburetor.
.
Next I used a technique I found on the Internet to check if your driveline is out of balance. You jack the back wheels off the ground, start it, put it in gear, and Rev it up until you feel the vibration. Then while it's at that rpm, take a marker taped to a stick and slowly raise the marker until it barely ticks the driveline. Do it at both ends and the middle. Well, I'm pretty sure I found where the vibration is occurring. It's up by the yoke. I did a few marks up at the front and they all hit in the same place. So I shut it down and crawled underneath to inspect. While turning the driveline by hand, I noticed some slop where the yoke slips inside the transmission.
.
Now my question is:
Should the yoke be snug in the transmission?
I'm guessing it should. I think the next thing I'm going to check is find another yoke and see if it has the same slop to it.
Any other ideas or suggestions?
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