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Author Topic: Muncie gear oil  (Read 1549 times)
fireZ
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« on: October 13, 2011, 08:18:33 AM »

Anyone know where you can still buy Valvoline 80/90 GL-4 gear oil.I can only find GL-5 and have been told it has sulpher in it which is hard on the brass syncros
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1968 Z28 LA Built
LIC # RPO Z28
69z28302
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« Reply #1 on: October 13, 2011, 03:41:12 PM »

My buddy put this in his 66 Chevelle. It say's it's for yellow metals.
http://www.pennzoil.com/#/transmission-fluids-and-gear-oil/pennzoil-synchromesh-manual-transmission-fluid
Mike
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68Zproject
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« Reply #2 on: October 13, 2011, 04:01:02 PM »

I got the Valvoline at a local place called Knechts.  I'm sure they don't have them where your at, but I've seen it at almost all the parts places. O' Reilly's, Schucks.
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68Z28
fireZ
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« Reply #3 on: October 13, 2011, 05:35:43 PM »

i will have too make a trip across the border and see what I can find. Thanks
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1968 Z28 LA Built
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fireZ
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« Reply #4 on: October 14, 2011, 02:26:47 PM »

I was able too find the oil at a GM dealership. What is the best in a 12 bolt posi  rearend
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1968 Z28 LA Built
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tmodel66
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« Reply #5 on: October 14, 2011, 03:38:37 PM »

I put GM lube and posi additive from the Chevy dealer in my new rebuilt rear end. That's what Motive Gear recommended.
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Daniel  
'69 SS 350/4 speed  Fathom Green--POP
fireZ
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« Reply #6 on: October 14, 2011, 04:58:07 PM »

The same oil as tranny 80/90 gear oil from GM
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1968 Z28 LA Built
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tmodel66
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« Reply #7 on: October 14, 2011, 08:00:11 PM »

NO it's strictly rear end lube and be sure to get the additive if it's positive traction.
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Daniel  
'69 SS 350/4 speed  Fathom Green--POP
fireZ
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« Reply #8 on: October 14, 2011, 08:22:13 PM »

Sounds good I have the additive already just wondering what was the best rear end oil too use. thanks
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1968 Z28 LA Built
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jeff68
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« Reply #9 on: October 15, 2011, 09:36:03 AM »

I know you already found your trans oil, but you can also still get CRC Sta-Lube 85W90 GL-4 at NAPA.

For the rear end, you can use a 80W90 GL-5 oil & the GM posi additive.
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68 L30 / M20 Convertible
Ash Gold
fireZ
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« Reply #10 on: October 15, 2011, 12:37:52 PM »

Thanks for that Jeff. Love the Ash Gold car
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1968 Z28 LA Built
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jeff68
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« Reply #11 on: October 16, 2011, 05:33:44 PM »

^^Thanks - right back atcha.  Rallye Green looks great on a 68.
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68 L30 / M20 Convertible
Ash Gold
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