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View Poll Results: What’s your go to oil?
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Toyota Synthetic
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158 |
29.76% |
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Toyota Synthetic
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158 |
29.76% |
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Mobile 1
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247 |
46.52% |
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Pennzoil
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47 |
8.85% |
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Quaker State
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7 |
1.32% |
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Valvoline
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17 |
3.20% |
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Supertech
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11 |
2.07% |
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Rotella
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10 |
1.88% |
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Amsoil
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42 |
7.91% |
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Redline
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10 |
1.88% |
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Royal Purple
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14 |
2.64% |
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Havoline
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4 |
0.75% |
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Schaeffer’s
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4 |
0.75% |
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Motul
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13 |
2.45% |
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Castrol
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26 |
4.90% |
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Lucas
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6 |
1.13% |
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07-15-2022, 06:22 PM
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#466
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Member
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Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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Member
Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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Good evening gentlemen, my Rear Diff, TC and Front Diff are due for service and I wanted to get some input on fluid recommendations. I've been running Amsoil for so long I'm not sure what brand to go with, I really like Amsoli but I want to try something else. Recommendations and personal experience are greatly appreciated.
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2019 TRD - Engine 0/5/10w30 - Diffs Redline GL-5 - BFG K02 - TC Redline GL-4 - Trans WS
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07-23-2022, 05:50 AM
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#467
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Member
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Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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Member
Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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Brass/Copper synchronizers in our transfer cases? Video is of a transfer case out of a 2017 Taco, complete disassembly; halfway through the video you will see the brass/copper synchronizers. Looked up replacement fluids and reached out to Redline and Amsoil, Redline has a GL-4 75W replacement fluid but Amsoil has no substitute. Redline web site states the GL-4 lacks the Sulphur that damages the brass/copper components that the GL-5 fluids have.
The question is should we be using a GL-5 75W90 in the transfer case?
https://www.youtube.com/watch?v=DlOm8_Tt81c&feature=youtu.be
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2019 TRD - Engine 0/5/10w30 - Diffs Redline GL-5 - BFG K02 - TC Redline GL-4 - Trans WS
Last edited by Hammer0313; 07-30-2022 at 04:59 AM.
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07-23-2022, 08:30 AM
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#468
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Senior Member
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Join Date: Aug 2017
Location: Ohio
Posts: 1,051
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Senior Member
Join Date: Aug 2017
Location: Ohio
Posts: 1,051
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Quote:
Originally Posted by Hammer0313
Good evening gentlemen, my Rear Diff, TC and Front Diff are due for service and I wanted to get some input on fluid recommendations. I've been running Amsoil for so long I'm not sure what brand to go with, I really like Amsoli but I want to try something else. Recommendations and personal experience are greatly appreciated.
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people over think which brand oil to use, pretty much follow the recommended specs and interval changes and you should be fine. I typically buy what is on sale, clearance or has rebates.
I stocked up on mobil one euro for my audi at one point I had 40 qts that cost $28 from a walmart clearance deal . Recently purchased pennzoil for the 4runner , bought 20 qts at $70 and received a $50 rebate.
Dealer did all previous service, I did my first oil change on the 4runner at 60k miles and the oil still looked good at the 10k interval. I'll probably do oil changes at 7500 miles vs the 10k. I've used redline for my harleys and never had issues.
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2017 SR5 prem: TRD pro suspension/ skid plate / wheels/ 2021 OEM LED head & fog lights / blacked out (emblems/skid plate/ roof rails)
audio: 2022 OEM headunit, focal 6x9s, 6.5" speakers
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07-23-2022, 09:42 AM
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#469
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Senior Member
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Join Date: Oct 2016
Location: Nevada
Posts: 1,184
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Senior Member
Join Date: Oct 2016
Location: Nevada
Posts: 1,184
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Quote:
Originally Posted by Hammer0313
Brass/Copper synchronizers in our transfer cases? Video is of a transfer case out of a 2017 Taco, complete disassembly; halfway through the video you will see the brass/copper synchronizers. Looked up replacement fluids and reached out to Redline and Amsoil, Redline has a GL-4 75W replacement fluid but Amsoil has no substitute. Redline web site states the GL-4 lacks the Sulphur that damages the brass/copper components that the GL-5 fluids have.
The question is should we be using a GL-5 75W90?
https://www.youtube.com/watch?v=DlOm8_Tt81c&feature=youtu.be |
MT-LV is what redline recommends, which is a GL-4. Just wondering why we'd want to use GL5?
I've got Redline's 75w85 GL5 in for at least 25k so far and nothing exciting to report. It sounds absolutely normal. Havent gotten around to replacing T/C fluid yet.
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07-23-2022, 10:22 AM
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#470
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Member
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Join Date: Jan 2018
Location: Phoenix
Posts: 458
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Member
Join Date: Jan 2018
Location: Phoenix
Posts: 458
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Quote:
Originally Posted by Hammer0313
Brass/Copper synchronizers in our transfer cases? ... Looked up replacement fluids and reached out to Redline and Amsoil, Redline has a GL-4 75W replacement fluid but Amsoil has no substitute.
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I use Redline MT-LV GL-4 in the transfer case and Valvoline SynPower GL-5 in the differentials. T/C shifts smoothly.
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07-23-2022, 12:44 PM
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#471
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Member
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Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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Member
Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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A lot of people running 75w90 GL-5 in their TC including me; placed an order with Redline this morning. TC will get the Redline GL-4, front and rear diffs will get Redline 75w90 GL-5.
Crazy thing is The Car Care Nut on youtube is a Toyota Master Tech with 20+ years working on Toyotas, and he said they just put in any 75w90 GL-5 they have in bulk or they run to the parts store and get whatever.
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2019 TRD - Engine 0/5/10w30 - Diffs Redline GL-5 - BFG K02 - TC Redline GL-4 - Trans WS
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08-05-2022, 04:20 AM
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#472
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Member
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Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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Member
Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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My 4R rolled over the 60k mark last week, she's getting a fluid overhaul this weekend. Giving Redline a try for the first time; I've heard good things about Redline over the years. Any Redline users on this thread?
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2019 TRD - Engine 0/5/10w30 - Diffs Redline GL-5 - BFG K02 - TC Redline GL-4 - Trans WS
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08-05-2022, 12:01 PM
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#473
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Member
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Join Date: Jan 2018
Location: Phoenix
Posts: 458
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Member
Join Date: Jan 2018
Location: Phoenix
Posts: 458
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Quote:
Originally Posted by Hammer0313
My 4R rolled over the 60k mark last week, she's getting a fluid overhaul this weekend. Giving Redline a try for the first time; I've heard good things about Redline over the years. Any Redline users on this thread?
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I put Redline MT-LV GL-4 in the T/C four months ago, no issues.
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08-05-2022, 01:42 PM
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#474
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Junior Member
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Join Date: May 2019
Location: Idahome
Posts: 24
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Junior Member
Join Date: May 2019
Location: Idahome
Posts: 24
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Quote:
Originally Posted by Hammer0313
My 4R rolled over the 60k mark last week, she's getting a fluid overhaul this weekend. Giving Redline a try for the first time; I've heard good things about Redline over the years. Any Redline users on this thread?
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I've been using Redline for decades in trucks, cars, motorcycles, racing engines, etc. Never had an issue due to the lubricant...
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08-05-2022, 01:47 PM
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#475
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Senior Member
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Join Date: Apr 2021
Posts: 1,283
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Senior Member
Join Date: Apr 2021
Posts: 1,283
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Quote:
Originally Posted by trd19orp
I've been using Redline for decades in trucks, cars, motorcycles, racing engines, etc. Never had an issue due to the lubricant...
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My philosophy is if something lasts 200k miles with OEM lubricant changes, I’ll keep using OEM. But since you already tested this one out, i believe I can make an exception 
Sent from my iPhone using Tapatalk
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08-05-2022, 05:14 PM
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#476
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Member
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Join Date: Aug 2019
Location: GA
Posts: 70
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Member
Join Date: Aug 2019
Location: GA
Posts: 70
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Quote:
Originally Posted by Hammer0313
Any Redline users on this thread?
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i currently have Redline 75W90 in the rear axle of the 4R and their MTL in the manual trans in my Honda. it made a marked improvement in shift quality in the Honda trans so i felt compelled to give it a shot with the Toyota.
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'19 T4R TRD Off-Road | @go_scott_go
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08-05-2022, 05:22 PM
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#477
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Member
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Join Date: Aug 2019
Location: GA
Posts: 70
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Member
Join Date: Aug 2019
Location: GA
Posts: 70
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Quote:
Originally Posted by MidniteTRD
we just got back from a 1700 mile round trip pulling our camper at 70mph across the southeast locked in S4, and i have a feeling the 40wt in the sump did a nice job.
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following up on my own post from a couple pages ago. got another, and probably my last UOA using M1 0W-40 for ~6,000 miles with an OEM toyota filter. as noted, we towed from GA to AR and back again over 4 days with a travel trailer and fully loaded with people and luggage, the 4Runner sitting near 3,000 RPM the whole time. we also did a beach road trip fully loaded. this was in use from winter through spring and into mid-summer. engine didn't care, another solid run. i'll continue to use this in 6-8,000 mile intervals depending on how much severe use it sees. hope this helps.
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'19 T4R TRD Off-Road | @go_scott_go
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08-05-2022, 05:36 PM
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#478
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Member
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Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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Member
Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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Quote:
Originally Posted by MidniteTRD
following up on my own post from a couple pages ago. got another, and probably my last UOA using M1 0W-40 for ~6,000 miles with an OEM toyota filter. as noted, we towed from GA to AR and back again over 4 days with a travel trailer and fully loaded with people and luggage, the 4Runner sitting near 3,000 RPM the whole time. we also did a beach road trip fully loaded. this was in use from winter through spring and into mid-summer. engine didn't care, another solid run. i'll continue to use this in 6-8,000 mile intervals depending on how much severe use it sees. hope this helps.
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That's the nail in the coffin my friend, your oil strategy is on point! Towing across the US locked in s4 and Back is hands down the best proving grounds and real world testing we will ever see.
Don't change a thing 
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2019 TRD - Engine 0/5/10w30 - Diffs Redline GL-5 - BFG K02 - TC Redline GL-4 - Trans WS
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08-05-2022, 05:43 PM
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#479
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Member
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Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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Member
Join Date: Oct 2019
Location: Florida
Posts: 277
Real Name: Buck
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Quote:
Originally Posted by DougR
I put Redline MT-LV GL-4 in the T/C four months ago, no issues.
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I put the MT-LV in my TC a few weeks ago and engaged the 4x4 system and it Defiantly engaged better. I'm going to bump up to the Redline MT-85 this weekend; same formula as the other GL-4's in Redlines lineup according to Dave at Redline. The MT-85 is just thicker.
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2019 TRD - Engine 0/5/10w30 - Diffs Redline GL-5 - BFG K02 - TC Redline GL-4 - Trans WS
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08-05-2022, 06:56 PM
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#480
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Member
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Join Date: Jan 2018
Location: Phoenix
Posts: 458
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Member
Join Date: Jan 2018
Location: Phoenix
Posts: 458
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Quote:
Originally Posted by Hammer0313
I put the MT-LV in my TC a few weeks ago and engaged the 4x4 system and it Defiantly engaged better. I'm going to bump up to the Redline MT-85 this weekend; same formula as the other GL-4's in Redlines lineup according to Dave at Redline. The MT-85 is just thicker.
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Interesting. I didn't know MT-85 GL-4 was available. Please post if you notice a difference.
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