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Canadian Poncho Homepage -> Canadian Poncho -> Beaumont Power Train Tech Forum -> MUNCIE 4 SPEED AND GM OIL GL4 RATED
Post Info TOPIC: MUNCIE 4 SPEED AND GM OIL GL4 RATED
427carl


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MUNCIE 4 SPEED AND GM OIL GL4 RATED
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Muncies came with oil 80/90 rated GL4   Some guys on Chevelle site, have had terrible results with other oils...   I found oil, at Car QUEST today.. They do business with AC Delco..  If you want original rated GL4 oil  try part # 89021672      Carl2

-- Edited by 427carl at 17:18, 2008-03-05

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Keith Tedford


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When I had new bearings and seals put in our M21, the oldtimer wouldn't put anything in the transmission except the GM oil. 

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Keith Tedford
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Ghost Post


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Hey Keith...welcome to CP!.
It'll be great having an original owner Copo Chevelle guy around here!.

Great info on the tranny juice Carl!.

smile

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Elroy


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just sos you know. GM does not make oil. However Petro-Canada has made their oil for many years & Gulf before that. PC's Traxon gearoil line has the GL5 rating now. The GL4 has been superceded years ago. GL4 was a moderate service oil that only had 50% of the extreme pressure additive that is now GL5. Traxon 80/90, 85/140, 75/90 and Synthetic 75/90 all have the GL5 rating and they would all be superior to the GL4. Some may argue that the extra extreme press additive is harder on yellow metals, but I don't think the syncro rings are as big an issue in the Muncie as would be the gear stretch....

love to see that COPO car !!

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JerryA


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Any AC Delco dealer has the GL4 rated gear oil

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427carl


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89021672.jpgMy high school buddy "built"my  trans, and He asked me to get the "old school" juice  I am sure the new stuff is ok, but  original is cool   lol   Carl 2 of 3

-- Edited by 427carl on Wednesday 17th of June 2009 04:18:57 PM

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