Is AMSOil the same as GM Synchromesh Friction Mod?
07-19-2005, 09:23 AM
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Is AMSOil the same as GM Synchromesh Friction Mod?
Ok, in my quest to find the GM Syncromesh Friction Modified tranny fluid, I found something that a GM buddy of mine tells me is the same thing. He says just ask for part number 12377916 at any GM dealership and they should have it for around $11.91/qt.
A search on that part number found this is possibly it's replacement...
http://www.allsyntheticsgroup.com/mtf.html - AMSOIL Synthetic Synchromesh Transmission Fluid.
So, is this what I want now? Is this the same as the original part #88900399?
A search on that part number found this is possibly it's replacement...
http://www.allsyntheticsgroup.com/mtf.html - AMSOIL Synthetic Synchromesh Transmission Fluid.
So, is this what I want now? Is this the same as the original part #88900399?
07-19-2005, 09:52 AM
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If so it is the first I've heard of it.
Amsoil has 2 different tranny fluids. In the bottle one appears to be much thicker than the other. I had the thicker one already bought and chickened out and installed the GM stuff, IT'S WONDERFUL!
I was a dealer but not anymore. They didn't give us that kind of info.
Amsoil has 2 different tranny fluids. In the bottle one appears to be much thicker than the other. I had the thicker one already bought and chickened out and installed the GM stuff, IT'S WONDERFUL!
I was a dealer but not anymore. They didn't give us that kind of info.
07-19-2005, 10:42 AM
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I just saw n screen print of a GM "Service Engineering Service Code Update" for part number 88900399 that says "SAME AS 12377916 EXCEPT ACDELCO LABEL/PACKAGING"
Encouraging for now.. at least there are dealerships that have this stuff. I just don't know if it's exactly the same.
Encouraging for now.. at least there are dealerships that have this stuff. I just don't know if it's exactly the same.
07-19-2005, 03:39 PM
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i don't think that AMSOIL is the same......
it is either GM Synchromesh FM or AcDelco Synchromesh FM.....
here is what the AcDelco one looks like http://hardtopguy.com/store/customer/produ...ductid=254&cat=
it is either GM Synchromesh FM or AcDelco Synchromesh FM.....
here is what the AcDelco one looks like http://hardtopguy.com/store/customer/produ...ductid=254&cat=
07-20-2005, 12:12 PM
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Ok, I don't know what that AMSOil stuff is. It's just what I found when searching online for that part number.
But, that part number (12377916) works. I just went to the Chevy dealer and he had 8 quarts on hand of the GM Syncromesh Friction Modified under that part number. It was $11/qt. Looks just like the stuff you see in pictures for #88900399. I'd post a pic if I knew how.
But, that part number (12377916) works. I just went to the Chevy dealer and he had 8 quarts on hand of the GM Syncromesh Friction Modified under that part number. It was $11/qt. Looks just like the stuff you see in pictures for #88900399. I'd post a pic if I knew how.
07-20-2005, 12:14 PM
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Quick post.. found a link with a picture of this stuff - http://www.honda-tech.com/zerothread?id=549469&page=2
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