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Old 10-01-2015, 01:41 PM   #226
77K10Silverado
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Re: 1977 K10 Silverado Longbox

Cleaned up the housing with the danger wheel! Gonna paint this one with Chassis Saver. I powder coated the rear 12 bolt but pinching pennies this go round..

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Old 10-01-2015, 02:16 PM   #227
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Re: 1977 K10 Silverado Longbox

Lookin Good!
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Old 10-02-2015, 08:19 AM   #228
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Re: 1977 K10 Silverado Longbox

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Lookin Good!
The asphalt isn't looking so good... lol
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Old 10-02-2015, 05:26 PM   #229
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Re: 1977 K10 Silverado Longbox

Boy don't use oven cleaner and let it get on the asphalt. Ask me how I now.
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Old 10-03-2015, 03:34 PM   #230
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Re: 1977 K10 Silverado Longbox

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Boy don't use oven cleaner and let it get on the asphalt. Ask me how I now.
Lol!

I'm painting the rear end today and tomorrow.
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Old 10-03-2015, 04:47 PM   #231
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Re: 1977 K10 Silverado Longbox

This weather sucks for that. I've never seen so much rain for so long and too think we are still in a drought.....geez.
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Old 10-05-2015, 08:46 AM   #232
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Re: 1977 K10 Silverado Longbox

A little painting this weekend.

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Old 10-07-2015, 10:24 AM   #233
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Re: 1977 K10 Silverado Longbox

Well this didnt work out.. Ill have to add some heat looks like!


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Old 10-07-2015, 12:26 PM   #234
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Re: 1977 K10 Silverado Longbox

What gear ratio do you have?
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Old 10-07-2015, 01:26 PM   #235
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Re: 1977 K10 Silverado Longbox

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What gear ratio do you have?

3.08 from the factory. I confirmed by the count and GM stampings.
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Old 10-25-2015, 12:55 AM   #236
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Re: 1977 K10 Silverado Longbox

Hey Mike, when you changed the transmission fluid, how many quarts did it take? Where did you get the filter and gasket? My pan is starting to seep a little bit and want to service it before it gets worse. Thanks.
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Old 10-26-2015, 08:49 AM   #237
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Re: 1977 K10 Silverado Longbox

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Hey Mike, when you changed the transmission fluid, how many quarts did it take? Where did you get the filter and gasket? My pan is starting to seep a little bit and want to service it before it gets worse. Thanks.
Matt I don't remember on the amount.. The pan is cheap and came from Ebay. Gasket came with it. If you dont have a drain hole in your pan, id replace the pan so you can change the fluid in the future without the huge mess.
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Old 10-26-2015, 08:52 AM   #238
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Re: 1977 K10 Silverado Longbox

Some pics of the Corp 10 going back together.
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Old 10-26-2015, 09:02 AM   #239
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Re: 1977 K10 Silverado Longbox

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Old 10-26-2015, 09:05 AM   #240
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Re: 1977 K10 Silverado Longbox

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Old 10-28-2015, 09:58 AM   #241
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Re: 1977 K10 Silverado Longbox

So a board Craigslist search turned into a score for me a few weeks ago. I was visiting my folks down east NC and saw a free NP203 for who ever comes and takes it off my hands ad. Super awesome dude who is on here in fact. Very nice shop and a few sweet rigs to boot! We loaded up the t-case and home I went. I drained the oil and opened it up last night to find the Mile-Marker part time kit installed! Heck yeah! Ill be rebuilding and swapping it in.
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Old 10-28-2015, 11:54 AM   #242
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Re: 1977 K10 Silverado Longbox

Nice score on the 203! The 10 bolt is coming along nicely, way to use the proper tools on it (I just use whatever I got laying in the garage that will work lol)
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Old 10-28-2015, 12:29 PM   #243
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Re: 1977 K10 Silverado Longbox

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Nice score on the 203! The 10 bolt is coming along nicely, way to use the proper tools on it (I just use whatever I got laying in the garage that will work lol)
Dave when you put the new carrier bearings on and dropped it back in the 10 bolt, was it super over the top tight? I can barley spin mine and its concerning. How loose should this be. I know the pinion is like 25lb per inch or something but thats before you drop the diff in I believe..
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Old 10-28-2015, 03:46 PM   #244
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Re: 1977 K10 Silverado Longbox

If you have the pinion in it to it will feel really tight
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Old 10-28-2015, 04:09 PM   #245
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Re: 1977 K10 Silverado Longbox

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If you have the pinion in it to it will feel really tight

NO I don't have it in and its super tight. The pics show the pinion in but I took it out due to how tight it was. I had to hammer in and it back out with the dead blow and I mean hard.. I have to use both hands to spin it. I'm using the factory shims and National bearings from the kit. Its just in for fitment first then ill put and lock down the pinion.
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Old 10-28-2015, 04:36 PM   #246
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Re: 1977 K10 Silverado Longbox

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Dave when you put the new carrier bearings on and dropped it back in the 10 bolt, was it super over the top tight? I can barley spin mine and its concerning. How loose should this be. I know the pinion is like 25lb per inch or something but thats before you drop the diff in I believe..
The bearings on mine looked good, so I did not replace them. I used a mallet to drive my carrier in, it wasn't overly tight but did spin freely. If the bearings spin freely on the carrier before installation, maybe they are not pressed onto the carrier enough. That's all I can think of.
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Old 10-29-2015, 12:05 PM   #247
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Re: 1977 K10 Silverado Longbox

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The bearings on mine looked good, so I did not replace them. I used a mallet to drive my carrier in, it wasn't overly tight but did spin freely. If the bearings spin freely on the carrier before installation, maybe they are not pressed onto the carrier enough. That's all I can think of.
They are def pressed on all the way. I think ill grind down the factory shims a bit to loosen it up. Its way too tight period.
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Old 10-30-2015, 10:08 AM   #248
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Re: 1977 K10 Silverado Longbox

Pressed in some fresh Spicers last night.

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Old 10-30-2015, 10:10 AM   #249
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Re: 1977 K10 Silverado Longbox

Fresh u joints are always a nice feeling.
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Old 11-01-2015, 03:19 AM   #250
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Re: 1977 K10 Silverado Longbox

Awesome build.
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