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What to use in an 833 aside from ATF? #1675664 09/22/14 02:26 PM 09/22/14 02:26 PM
Joined: Sep 2003 Posts: 10,645 Houston, Tx A AlexP OP I Live Here
AlexP OP I Live Here A Joined: Sep 2003 Posts: 10,645 Houston, Tx	So, I wasn't very happy with ATF the last time around in this Texas heat. I'm stuck between the Amsoil MTL and the Penzoil Synchromesh. I'm also open to any suggestions. How do these transmissions run with synthetic fluid? My Build thread: Let the hemi swap begin! 1968 wanna be pro touring whatchamacallit with some fancy stuff and a new roof skin.

Re: What to use in an 833 aside from ATF? [Re: AlexP] #1675665 09/22/14 02:36 PM 09/22/14 02:36 PM
Joined: Jun 2006 Posts: 5,162 CT GTX MATT master
GTX MATT master Joined: Jun 2006 Posts: 5,162 CT	Make sure you get GL4, not a GL5. Many GL5s will say it exceeds GL4, but many will be harsh on synchros. Brad Penn makes a GL4 in 80W90 that is reasonably priced on Amazon. I wouldn't run ATF in one fwiw. Yes the FSM says you can do it, if you live in EXTREME cold, and it says to get rid of it once temps rise. Now I need to pin those needles, got to feel that heat Hear my motor screamin while I'm tearin up the street

Re: What to use in an 833 aside from ATF? [Re: AlexP] #1675666 09/22/14 03:33 PM 09/22/14 03:33 PM
Joined: Jan 2003 Posts: 25,812 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,812 Rio Linda, CA	The 833 loves synthetic fluid, my personal choice is Redline 75/90 NS. The INTERNET, the MISinformation superhighway

Re: What to use in an 833 aside from ATF? [Re: John_Kunkel] #1675667 09/22/14 04:06 PM 09/22/14 04:06 PM
Joined: Sep 2003 Posts: 10,645 Houston, Tx A AlexP OP I Live Here
AlexP OP I Live Here A Joined: Sep 2003 Posts: 10,645 Houston, Tx	Quote: The 833 loves synthetic fluid, my personal choice is Redline 75/90 NS. I was hoping for that. I'd really like to use Amsoil. My Build thread: Let the hemi swap begin! 1968 wanna be pro touring whatchamacallit with some fancy stuff and a new roof skin.

Re: What to use in an 833 aside from ATF? [Re: John_Kunkel] #1675668 09/22/14 06:44 PM 09/22/14 06:44 PM
Joined: Jan 2003 Posts: 752 AZ - The "dry heat" state 71autoxr super stock
71autoxr super stock Joined: Jan 2003 Posts: 752 AZ - The "dry heat" state	Quote: The 833 loves synthetic fluid, my personal choice is Redline 75/90 NS. I agree in the az heat my 833 was brutal with atf. Swapped to redline and it is smooooth 68 AMX mopars red headed stepchild 69 Dart GT Convertible 340 4 speed 71 Challenger - looks like the avatar!

Re: What to use in an 833 aside from ATF? [Re: AlexP] #1675669 09/22/14 06:53 PM 09/22/14 06:53 PM
Joined: Sep 2014 Posts: 4,457 Washington M madscientist master
madscientist master M Joined: Sep 2014 Posts: 4,457 Washington	Quote: So, I wasn't very happy with ATF the last time around in this Texas heat. I'm stuck between the Amsoil MTL and the Penzoil Synchromesh. I'm also open to any suggestions. How do these transmissions run with synthetic fluid? Skip the ATF. Use a synthetic gear oil. Look for a GL-6. They are out there. Expensive but worth it. Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston

Re: What to use in an 833 aside from ATF? [Re: madscientist] #1675670 09/22/14 07:11 PM 09/22/14 07:11 PM
Joined: Jun 2005 Posts: 4,442 Texas D Daty Rogers World's Greatest Husband. I love you Robyn
Daty Rogers World's Greatest Husband. I love you Robyn D Joined: Jun 2005 Posts: 4,442 Texas	I used 80-90w gear oil in Texas, worked great. -Daty

Re: What to use in an 833 aside from ATF? [Re: Daty Rogers] #1675671 09/22/14 10:25 PM 09/22/14 10:25 PM
Joined: Jan 2007 Posts: 7,664 IN A ahy master
ahy master A Joined: Jan 2007 Posts: 7,664 IN	Per the factory, the 833 likes heavier oil in the heat. ATF and Sycromesh are too thin. I agree the Redline "MT90" would be a good choice. Regular 90 wt would probably do OK also if you could find it in GL4.

Re: What to use in an 833 aside from ATF? [Re: ahy] #1675672 09/22/14 10:47 PM 09/22/14 10:47 PM
Joined: Jul 2007 Posts: 11,836 Florida M mopar346 Let me tell ya about fat chicks!
mopar346 Let me tell ya about fat chicks! M Joined: Jul 2007 Posts: 11,836 Florida	Why not just use gear oil like they came. I have run it in them for years with no ill effect and I just did 4400 miles in the AAR with gear oil. Careful, your character's showing!

Re: What to use in an 833 aside from ATF? [Re: mopar346] #1675673 09/23/14 12:42 AM 09/23/14 12:42 AM
Joined: Dec 2004 Posts: 10,554 Rittman Ohio fourgearsavoy I Live Here
fourgearsavoy I Live Here Joined: Dec 2004 Posts: 10,554 Rittman Ohio	Quote: Why not just use gear oil like they came. I have run it in them for years with no ill effect and I just did 4400 miles in the AAR with gear oil. I've been rowing gears for over 30 years and I only use 90 wt. Gear oil in my boxes with syncronizers and Redline shock proof synthetic in my race non synchronized boxes. In some cold weather climates straight 30 weight non detergent oil will work Gus 8278096-frontveiwsavoy.jpg (42 downloads) 64 Plymouth Savoy 493 Indy EZ's by Nick at Compu-Flow 5-Speed Richmond faceplate Liberty box Dana 60

Re: What to use in an 833 aside from ATF? [Re: fourgearsavoy] #1675674 09/23/14 10:10 AM 09/23/14 10:10 AM
Joined: Apr 2004 Posts: 2,415 Connecticut Ron_M top fuel
Ron_M top fuel Joined: Apr 2004 Posts: 2,415 Connecticut	Plenty of past threads on this topic. I use Passon Performance Gear lube. (570-401-8949) Just stocked up and 5QTs was around $60.00 shipped to my door. I tried the Synchromesh and did not like it. Common sense is a flower that does not grow in everybody's garden

Re: What to use in an 833 aside from ATF? [Re: AlexP] #1675675 09/23/14 10:19 AM 09/23/14 10:19 AM
Joined: Jan 2003 Posts: 6,404 Abilene, Texas F fastmark master
fastmark master F Joined: Jan 2003 Posts: 6,404 Abilene, Texas	Quote: Quote: The 833 loves synthetic fluid, my personal choice is Redline 75/90 NS. I was hoping for that. I'd really like to use Amsoil. I tried the Amsoil and I did not like it and removed it. It leaked more and it clunked going into gears.

Re: What to use in an 833 aside from ATF? [Re: fourgearsavoy] #1675676 09/23/14 10:46 AM 09/23/14 10:46 AM
Joined: Jan 2003 Posts: 9,436 Blair County,PA 62maxwgn master
62maxwgn master Joined: Jan 2003 Posts: 9,436 Blair County,PA	Quote: Quote: Why not just use gear oil like they came. I have run it in them for years with no ill effect and I just did 4400 miles in the AAR with gear oil. I've been rowing gears for over 30 years and I only use 90 wt. Gear oil in my boxes with syncronizers and Redline shock proof synthetic in my race non synchronized boxes. In some cold weather climates straight 30 weight non detergent oil will work Gus Never used anything else and never had a problem.On another note,do you think vendors as mentioned above actually make gear oil ? It's a relabeled product from a major source like a good amount of what you buy these days.

Re: What to use in an 833 aside from ATF? [Re: Ron_M] #1675677 09/23/14 11:14 AM 09/23/14 11:14 AM
Joined: Jan 2003 Posts: 75,017 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,017 U.S.S.A.	Castrol Syncromesh in a friends car just recently. It's the only GL-4 stuff I could find locally, in his price range , no issues.

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