MN6 fluid
Thread Starter
Advanced
Joined: Mar 2006
Posts: 92
Likes: 0
MN6 fluid
I'm currently using Amsoil ATF in the MN6 box of my 02 Coupe. There's always been a kind of 'chuffing' noise through the gear lever in the 8 years I've owned the car but became more noticeable when I installed an MGW shifter. Shifting has always been fine, no missing gears or grinding just this damn noise which I'd like to get rid of or at least make it less irritating, it's not getting worse just always there.
Prior to the Amsoil I put Royal Purple in, neither fluid made any difference.
Anyone else had this problem and if so can another fluid be suggested?
Thanks in advance.
Prior to the Amsoil I put Royal Purple in, neither fluid made any difference.
Anyone else had this problem and if so can another fluid be suggested?
Thanks in advance.
Racer
Joined: Apr 2015
Posts: 455
Likes: 48
From: Athens GA
I saw such a huge difference with Red Line Shockproof in my HD I wonder if anyone has any experience with that on the C5 6 Speed. I wouldn't say the tranny needs help like the 5 speed HD did, but it it would make sense that it would smooth things up.
Race Director
Joined: Jan 2008
Posts: 16,027
Likes: 170
From: oregon
additive pack in redline is excellent
Team Owner
Joined: May 2001
Posts: 87,302
Likes: 1,583
From: Western NY
As "general maintenance", I replaced the fluids in my '01 coupe, initially, when the car was a couple of years old, then 5-6 years later (the car celebrated it's 14th birthday this week). I put the appropriate Red Line oils in the tranny and diff, both times, and everything has been OK. I must admit, however, that it's a low mileage car....
Race Director
Joined: Jan 2008
Posts: 16,027
Likes: 170
From: oregon
dex 3 is a very very broad term. additive packs and base stocks vary a lot
i do agree that if it has never been changed pretty much any new atf would work wonders
i'm a huge fan of ester base stocks in the c5. they provide a slight swelling effect on seals vs the shrinking of PAO or hardening of dino base.
i do agree that if it has never been changed pretty much any new atf would work wonders
i'm a huge fan of ester base stocks in the c5. they provide a slight swelling effect on seals vs the shrinking of PAO or hardening of dino base.
Le Mans Master
Joined: Sep 2014
Posts: 5,278
Likes: 539
From: Kelowna BC
dex 3 is a very very broad term. additive packs and base stocks vary a lot
i do agree that if it has never been changed pretty much any new atf would work wonders
i'm a huge fan of ester base stocks in the c5. they provide a slight swelling effect on seals vs the shrinking of PAO or hardening of dino base.
i do agree that if it has never been changed pretty much any new atf would work wonders
i'm a huge fan of ester base stocks in the c5. they provide a slight swelling effect on seals vs the shrinking of PAO or hardening of dino base.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)
Joe Kucinski
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!
Verdad Gallardo
Top 10 Corvettes Coming to Mecum Indy 2026!
Brett Foote
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!
Michael S. Palmer
10 Revolutionary 'Corvette Firsts' Most People Don't Know
Joe Kucinski
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2
Michael S. Palmer
2027 Corvette vs The World: Every C8 vs Its Closest Competitor
Joe Kucinski
10 Most Common Corvette Problems of the Last 20 Years!
Joe Kucinski
Thread Starter
Advanced
Joined: Mar 2006
Posts: 92
Likes: 0
I'm currently using Amsoil ATF in the MN6 box of my 02 Coupe. There's always been a kind of 'chuffing' noise through the gear lever in the 8 years I've owned the car but became more noticeable when I installed an MGW shifter. Shifting has always been fine, no missing gears or grinding just this damn noise which I'd like to get rid of or at least make it less irritating, it's not getting worse just always there.
Prior to the Amsoil I put Royal Purple in, neither fluid made any difference.
Anyone else had this problem and if so can another fluid be suggested?
Thanks in advance.
Prior to the Amsoil I put Royal Purple in, neither fluid made any difference.
Anyone else had this problem and if so can another fluid be suggested?
Thanks in advance.
Le Mans Master
Joined: Feb 2012
Posts: 6,644
Likes: 479
From: OK
Racer
Joined: Apr 2015
Posts: 455
Likes: 48
From: Athens GA
Can anyone that knows chime in here?
Le Mans Master
Joined: Sep 2014
Posts: 5,278
Likes: 539
From: Kelowna BC
I am sure that I don't know the full story, but I have been reading about X-Pipes lately. Do you have one? There is some rattle that occurs during decell. If I know what that sound is, I think I heard it between easy upshifts and sounds like a transmission sound.
Can anyone that knows chime in here?
Can anyone that knows chime in here?
Replaced my H-pipe with an X-pipe when I put my headers in, no more dingle. Rear hangers were replaced with standard rubber isolated hangers also.
G
Thread Starter
Advanced
Joined: Mar 2006
Posts: 92
Likes: 0
Likely the dreaded coins in a can H-pipe dingle. Do a search using H-pipe and rattle as key words. I'm guessing this is your H-pipe, hated that sound. That or potentially a tranny hanger bracket (the one just ahead of the axle with springs is often a noise maker).
Replaced my H-pipe with an X-pipe when I put my headers in, no more dingle. Rear hangers were replaced with standard rubber isolated hangers also.
G
Replaced my H-pipe with an X-pipe when I put my headers in, no more dingle. Rear hangers were replaced with standard rubber isolated hangers also.
G
Was just interested to know if anyone else had this noise.
Race Director
Joined: Jan 2008
Posts: 16,027
Likes: 170
From: oregon
if you mean popular brands and their base stocks
redline is ester
mobile 1 race is pao/ester hybrid
both these oils are very very good
amsoil is PAO
royal purple is PAO
amsoil is the better of these two if you get their higher end oils. something they have done helps prevent the shrinking of PAO, it just seems to leak less than RP. it's really uncanny how many RP cars wind up leaking
mobile 1 is a highly refined group 3 dino but has a great additive pack in their high mileage variant, also cheap. gear oils are also likely a group 3+
when you talk trans and rear end oils there may be more hybrids and mixtures with the above brands. i haven't seen that many atf/ 80/90w analysis tests
Last edited by racebum; Jul 13, 2015 at 05:12 AM.
Le Mans Master
Joined: Sep 2014
Posts: 5,278
Likes: 539
From: Kelowna BC
examples of what? ask a question
if you mean popular brands and their base stocks
redline is ester
mobile 1 race is pao/ester hybrid
both these oils are very very good
amsoil is PAO
royal purple is PAO
amsoil is the better of these two if you get their higher end oils. something they have done helps prevent the shrinking of PAO, it just seems to leak less than RP. it's really uncanny how many RP cars wind up leaking
mobile 1 is a highly refined group 3 dino but has a great additive pack in their high mileage variant, also cheap. gear oils are also likely a group 3+
when you talk trans and rear end oils there may be more hybrids and mixtures with the above brands. i haven't seen that many atf/ 80/90w analysis tests
if you mean popular brands and their base stocks
redline is ester
mobile 1 race is pao/ester hybrid
both these oils are very very good
amsoil is PAO
royal purple is PAO
amsoil is the better of these two if you get their higher end oils. something they have done helps prevent the shrinking of PAO, it just seems to leak less than RP. it's really uncanny how many RP cars wind up leaking
mobile 1 is a highly refined group 3 dino but has a great additive pack in their high mileage variant, also cheap. gear oils are also likely a group 3+
when you talk trans and rear end oils there may be more hybrids and mixtures with the above brands. i haven't seen that many atf/ 80/90w analysis tests
Assuming you run redline D4 in your tranny? And in your rear (not a question I ask often... LOL)?