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crispy89t 02-21-2008, 07:03 PM Got a question gonna flush the trans i've got about 28k on it do a bit of towing and i'm curious which oil i should use i keep seeing things about royal purple or should i go with what's in it if any one has any input on this please let me know cuffnup 02-21-2008, 07:04 PM ya i have some input..schaeffers full synthetic...gained 1 mpg...switching to it Chromer 02-21-2008, 08:30 PM The trans was designed by Allison to use a TES-295 fluid, specifically Transynd by Castrol. Which is, by the way, NOT what GM puts in them at their factory. Go figure... Do a search here on Transynd, and you will find a lot of info that is pretty convincing in favor of a TES-295 fluid. Although there's not a lot of companies offering it now, Mobil 1 has a TES-295 fluid, AND its available from a supporting vendor AV Lube Here's their product http://www.avlube.com/modesyatffoo.html cuffnup 02-21-2008, 09:19 PM and schaeffers.....ha ha he he:D Chromer 02-21-2008, 10:19 PM and schaeffers.....ha ha he he:D Boy, you do love your Schaeffers... :D Heath 02-22-2008, 08:17 AM Boy, you do love your Schaeffers... :D I'd say:) I swear you must be selling it, but don't see any links:rolleyes: Maybe a stock owner?? gmtech4 02-22-2008, 10:19 PM what is wrong with dextron VI ? jawaring 02-23-2008, 12:18 AM The trans was designed by Allison to use a TES-295 fluid, specifically Transynd by Castrol. Which is, by the way, NOT what GM puts in them at their factory. Go figure... Do a search here on Transynd, and you will find a lot of info that is pretty convincing in favor of a TES-295 fluid. Although there's not a lot of companies offering it now, Mobil 1 has a TES-295 fluid, AND its available from a supporting vendor AV Lube Here's their product http://www.avlube.com/modesyatffoo.html I just switched to the Mobil Delvac TES-295 from George. It's great stuff! Smooooth. brandon04lb7 02-23-2008, 12:25 AM i am using amsoil torqedrive, it suppose to be just as good as transyd and i think its a lil cheaper, but not sure just what ive heard on here. diesel625 02-23-2008, 07:31 AM transynd is a very good oil. mobil 1 makes some good fluid that meets allisons specs now. Chromer 02-23-2008, 09:16 AM I just switched to the Mobil Delvac TES-295 from George. It's great stuff! Smooooth. I'm going to do the "Hoot" flush as soon as the weather breaks around here. I've always been partial to Mobil 1, but I just found out I can get a 5 gallon pail of the actual Transynd from my Alli dealer for $140.00, which is basically a free gallon compared to George's prices. Not sure what I'm going to do... If I knew I could do the flush with 4 gallons, I'd definitely go with the Mobil 1. Anybody done it with 4 gals? | ||