<VV> Making sense of a gazillion posts on GL-4 vs. GL-5 (Yes, I did read them)

[Daniel Monasterio González]

Corvair 3sp transmissions should use GL-4 as they have bronze
synchronizers too.

Daniel

On 07/04/15 20:52, "Charlie via VirtualVairs" <virtualvairs at corvair.org>
wrote:

>Nope I read them all, ~ and I hope this finds you in a better mood?
>
>I recently tore my '65 Corsa 4-speed transmission and differential apart,
>and a friend put them back together.
>
>He filled it up with GL-5 that he bought, and now it looks like we need to
>drain it out?
>
>So, I want to be sure before I have to throw away what he was helpful
>enough
>to do for me.
>
>So now I'm just trying not to be confused by the plethora of repeated,
>concurring and dissenting opinions being posted, trying to make sense of
>it
>all.
>
>Then, while ordering some parts from Clark's, I asked the tech guy who
>said
>that GL-4 is correct for 4-speeds (and agreed that it should not be "GL-4
>hypoid"), and that their regimen is to use GL-5 for PGs only.
>
>I didn't ask him about non-synchro 3-speeds though ...
>
>Charlie
>
>
>-----Original Message-----
>From: VirtualVairs [mailto:virtualvairs-bounces at corvair.org] On Behalf Of
>Vairtec Corp via VirtualVairs
>Sent: Tuesday, April 07, 2015 3:59 PM
>To: virtualvairs at corvair.org
>Subject: Re: <VV> GL-5 gear oil is for automatics?
>
>Charlie, perhaps I should apologize in advance for being in a bad mood.
>Apparently you are just posting to this thread, not reading it, because
>yesterday I posted
>
>"Powerglide-equipped vehicles can use the newer GL-4/GL-5 products because
>the differential lube is not shared with the transmission. "
>
>Just sayin.'  Again.
>
>--Bob
>
>
>On 4/7/2015 6:48 PM, Charlie via VirtualVairs wrote:
>> Is it possible that GL-5 gear oil is for automatics, and since 99% of
>> "average" cars are auto, it's "safe" to recommend it, since so few are
>> NOT auto, there are not enough of us to be a problem for them?
>>
>> Just sayin' ...
>>
>> Charlie
>
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