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06-10-2016, 12:58 AM
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#1 |
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Registered User
 Join Date: Jul 2010
Location: schaumburg, il
Posts: 87
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Lubelocker vs RTV rear differential seal
So my rear diff started leaking after having it done 2.5-3 years ago. Silver RTV was used. So I decided to go the lube locker gasket route this time and upgraded the girdle to a 2014 gt500 oem girdle and ARP bolts. Which seal or gasket do you guys prefer? let's see how long the gasket lasts
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06-10-2016, 01:24 AM
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#2 |
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700 HP Mach
 
Join Date: Nov 2003
Location: Orlando, FL
Posts: 8,384
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Re: Lubelocker vs RTV rear differential seal
Permatex black rtv
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc... '12 F150 FX2 Supercrew with Ecoboost daily beater |
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06-10-2016, 01:52 AM
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#3 |
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Registered User
 Join Date: Jan 2013
Location: San Diego, CA
Posts: 1,104
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I like the RTV Ultra Grey.
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New Ride: 2004 Mystichrome Cobra-Accufab SBTB and plenum, Steeda 2.8" upper, Bassani X, Borla Stingers, Mcleod RXT, MGW shifter, Level 5 halfshafts, chrome FR500's, Stiffler's FIT system and DS safety loop, GT pumps, BA3000, tuned by owner |
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06-10-2016, 07:43 AM
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#4 |
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Registered User
 Join Date: Nov 2011
Location: Jersey
Posts: 442
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Re: Lubelocker vs RTV rear differential seal
I used to be a strictly gray gear oil rtv guy but i recently tried the lube locker and love it, no leaks and no mess, i will continue to use them for sure
__________________
03 Mach 1 JLT Next Gen CAI (fenderwell), VAP 5/8 Plenum Spacer, 10" Ported Short Runner Intake (Roy), Bassani Mid Length Headers, Bassani O/R X Pipe, Mac 3" Catback, March Fluid Dampener, Hydro-boost and WP Pulleys, FRPP Aluminum DS, Ported Throttle Body, 4.10 Gears, 315/35/17's Tuned by Wicked Motorsports |
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06-10-2016, 08:57 AM
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#5 |
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Registered User
 
Join Date: Feb 2013
Location: NEW YORK HIGHEST TAXES IN AMERICA
Posts: 603
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Re: Lubelocker vs RTV rear differential seal
RTV gray always. I'd like to try the Lubelocker though.
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06-11-2016, 10:19 AM
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#6 |
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Registered User
Join Date: Jan 2010
Location: Byram,MS
Posts: 285
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Re: Lubelocker vs RTV rear differential seal
Lubelocker over here. No leaks for 3 years running plus you can reuse the same gasket up to 5 times.
WIN |
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06-12-2016, 09:25 AM
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#7 |
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it's soo-tack
Join Date: Nov 2002
Location: Fairmont, WV
Posts: 2,082
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Re: Lubelocker vs RTV rear differential seal
I used the paper gasket that came with my Moser cover and it leaks just a bit. My Motive rear rebuild kit also came with a paper gasket. That Lubelocker looks much better though!
https://www.amazon.com/Lube-Locker-F.../dp/B008RAFJ38 Actually that's the highest rated item I've ever seen on Amazon. 31 reviews all 5 star.
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mark 2004 DSG Mach 1. Built motor. Turbo. 667whp 2006 Sonic Blue Focus. Built motor. Turbo. 12.4 @ 115mph (sold) 2003 DSG Mach 1. 12.65 @ 106 (sold) |
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06-12-2016, 10:09 AM
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#8 |
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Registered User
Join Date: Nov 2011
Location: Jersey
Posts: 442
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Re: Lubelocker vs RTV rear differential seal
yeah regular paper gaskets are awful, only ever had like one not leak but lube locker are awesome
__________________
03 Mach 1 JLT Next Gen CAI (fenderwell), VAP 5/8 Plenum Spacer, 10" Ported Short Runner Intake (Roy), Bassani Mid Length Headers, Bassani O/R X Pipe, Mac 3" Catback, March Fluid Dampener, Hydro-boost and WP Pulleys, FRPP Aluminum DS, Ported Throttle Body, 4.10 Gears, 315/35/17's Tuned by Wicked Motorsports |
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06-15-2016, 03:07 AM
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#9 |
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Registered User
Join Date: Jun 2007
Location: Las Vegas
Posts: 1,086
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Re: Lubelocker vs RTV rear differential seal
I file all the gaskets in the trash. Permatex "right stuff" have never had one leak, not on the mach, truck or any other rear end for that matter.
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06-15-2016, 07:50 AM
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#10 |
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Registered User
Join Date: Nov 2011
Location: Jersey
Posts: 442
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Re: Lubelocker vs RTV rear differential seal
Right stuff is the best rtv for sure but i hate the mess
__________________
03 Mach 1 JLT Next Gen CAI (fenderwell), VAP 5/8 Plenum Spacer, 10" Ported Short Runner Intake (Roy), Bassani Mid Length Headers, Bassani O/R X Pipe, Mac 3" Catback, March Fluid Dampener, Hydro-boost and WP Pulleys, FRPP Aluminum DS, Ported Throttle Body, 4.10 Gears, 315/35/17's Tuned by Wicked Motorsports |
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06-16-2016, 12:20 AM
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#11 |
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Registered User
Join Date: Jun 2007
Location: Las Vegas
Posts: 1,086
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Re: Lubelocker vs RTV rear differential seal
guess I need to give that lube locker a shot and see. worth it without the mess and constantly having to clean mating surfaces.
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06-16-2016, 05:48 AM
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#12 | |
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Registered User
Join Date: Nov 2011
Location: Jersey
Posts: 442
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Re: Lubelocker vs RTV rear differential seal
Quote:
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03 Mach 1 JLT Next Gen CAI (fenderwell), VAP 5/8 Plenum Spacer, 10" Ported Short Runner Intake (Roy), Bassani Mid Length Headers, Bassani O/R X Pipe, Mac 3" Catback, March Fluid Dampener, Hydro-boost and WP Pulleys, FRPP Aluminum DS, Ported Throttle Body, 4.10 Gears, 315/35/17's Tuned by Wicked Motorsports |
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06-18-2016, 09:02 AM
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#13 |
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MECHANIC
Join Date: Jun 2012
Location: Morgantown, WV
Posts: 916
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Re: Lubelocker vs RTV rear differential seal
The best rtv is great stuff its not like permetex blue grey black or silver. It comes in a pressure bottle or a caulk gun tube. If you are having a leak with rtv that is usually caused by 1 of 2 things 1 the mating surfaces werent flat (could have been inproperly tightened or bad machining) or there was oil still dripping across the mating surface.
Also keys to a good seal, brake clean both surfaces, dont let the silicone skin, when putting the cover on if doing by your self use alignment bolts in 2 holes so you can just push it forwards or have a friend help. Also many dont scoop the oil out of the mini sump in the rear end BUT this can lead to a mini drip that is very hard to see when putting the cover on. Also the last rule (also the one i never follow) your supposed to wait so many hours before re filling |
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