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Old 08-15-2018, 03:46 PM   #1
Grumpy old man
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A surprise find today!

Braking down a long bed parts frame for some pieces I need and part out the rest I pulled the rear differential cover and found this POSI ! Clean gear oil and turns like butter, Yeah !

No, It's not for sale ...
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Old 08-15-2018, 03:54 PM   #2
'68OrangeSunshine
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Re: A surprise find today!

Very nice. What's the ratio?
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Old 08-15-2018, 04:08 PM   #3
clay68c10
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Re: A surprise find today!

That is a nice find. I'd be hoping for 3.73
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Old 08-15-2018, 04:11 PM   #4
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Re: A surprise find today!

Nice!
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Old 08-15-2018, 06:49 PM   #5
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Re: A surprise find today!

Some days it's better to be lucky than good, eh? Nice find!
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Old 08-16-2018, 12:42 PM   #6
72LB
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Re: A surprise find today!

Wish I could get that lucky, nice score.
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Old 08-16-2018, 01:54 PM   #7
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Re: A surprise find today!

Always nice to be surprised!
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Old 08-17-2018, 06:30 AM   #8
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Re: A surprise find today!

My surprise comes when I open a bucket and I see a posi diff in there. Hmmm... which one is this and when did I put it there?
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Old 08-17-2018, 10:33 AM   #9
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Re: A surprise find today!

That's nice, now look at the filler plug, posi should have a round filler plug that sticks out. The round plug held the red tag stating to use posi additive.
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Old 08-17-2018, 03:39 PM   #10
'68OrangeSunshine
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Re: A surprise find today!

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Originally Posted by randy500 View Post
That's nice, now look at the filler plug, posi should have a round filler plug that sticks out. The round plug held the red tag stating to use posi additive.
Over 45 -50 years the Red Posi tag could get lost, especially if the PO exposed the truck to JiffyLube type maintenance,
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Old 08-17-2018, 04:01 PM   #11
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Re: A surprise find today!

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Originally Posted by '68OrangeSunshine View Post
Over 45 -50 years the Red Posi tag could get lost, especially if the PO exposed the truck to JiffyLube type maintenance,
Agreed on loosing the tag but the round plug is usually still there. Non posi plugs are flush and don't have the raised round stickout.
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Old 08-17-2018, 04:28 PM   #12
GASoline71
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Re: A surprise find today!

I was pleasantly suprised when the roller 1969 C10 frame I bought ended up having a factory Posi-traction unit and 3.73's in it.

Gary
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Old 08-17-2018, 05:08 PM   #13
Grumpy old man
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Re: A surprise find today!

There was no tag , After 51 years who knows what happened to it over the years ? I have to say I didn't even look for one at the time , I dug through my parts bins and it has a new one now.
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1967 Factory short bed - Old school
'71 - 350 / 4bolt / 487 heads / Edelbrock C3BX
Muncie M-22 4 speed / Hurst Comp plus
Factory 12 bolt posi 3.73 / 255-70-15
Smoothed firewall / Factory cowl induction
Power disc brakes / power steering / 3.5-5" drop
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Old 08-17-2018, 10:11 PM   #14
'68OrangeSunshine
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Re: A surprise find today!

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Originally Posted by randy500 View Post
Agreed on loosing the tag but the round plug is usually still there. Non posi plugs are flush and don't have the raised round stickout.
Funny, I never noticed they had round plugs.
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