Redline Shockproof, what is it used in?

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I always wondered what Redline Shockproof was supposed to be used in. Is it a fluid for differntials, gearboxes, straight cut race gearboxes, or transaxles? Is it safe with syncros and would it be useful in a street/track car?
 
amazing, I just got off the phone from the Oz Redline importer (he says he talks to Roy Howell about three times a week) and we were discussing exactly this (amongst other things).

They claim basically everywhere you suggested.
Apparently if you use it with a clutch pack LSD you will get slight chatter/stick-slip at low speed. If you use any friction modifier to help, obviously it could affect synchro performance, but, he said the chatter will return in a few months. Something to do with the chemistry. This doesn't happen with their conventional oils. He claims, unless the plates are highly shimmed up, the chatter is very little, and greatly improves LSD performance overall.

They claim it is fine with synchro's and a number of WRX guys are supposedly using it here, to improve synchro performance, as well as in dog box conversions. Apparently also used in Land Rover transfer cases to negate input spline wear.

Rick.
 
So it is better under race condition than say MT-90, then why even have MT-90? I'm assuming it would work well with a high friction/high heat Helical(Torsen) differential/transasxle.
 
hmmm problem applications huh. I was wondering how it would work in Toyota C56 and C60 transaxles. These have been known to destroy syncros with hard shifting and break at elevated torque levels. They require a 75w-90 GL4 or GL5 fluid, but I think shockproof comes in one of those weights, correct?
 
Lightweight Shockproof is roughly equivalent to a 75w-90 GL 5, with the supposed protection of a 140.
The other lube to consider is NEO 75w-90 RHD. Bloody expensive, but very, very good.
 
I love the heavyweight shockproof in my 2002 Camaro's torsen rearend. Best thing since sliced bread or rainX
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quote:

Originally posted by tdi-rick:
Lightweight Shockproof is roughly equivalent to a 75w-90 GL 5, with the supposed protection of a 140.
The other lube to consider is NEO 75w-90 RHD. Bloody expensive, but very, very good.


I believe it about the 140wt on the lightweight shockproof. When I filled my transfer case (.8qts) it took FOREVER. That stuff oozes slower than stinking glaciers move.
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MT90 flows about 2-3x as fast IME.

I'd love to try NEO RHD, but @ $60/gal on sale... my wallet runs in fear.
 
A lot of guys use it in their boxes when the synchros are causing grief. I dont know why, but it works very very well.
 
I have used it with good results. However, we noticed no appreciable difference when using Shell Spirax HD.

This is the preferred lubricant for early GM 4-Speeds like the Muncie and Warner T-10.

I agree, the viscosity is quite heavy.

Interesting...I have seen Top Fuel Funny Cars in my friend's shop putting 2000 horspower to the rear axle with Kendall Petroleum-Based 85w140...Robert
 
quote:

Originally posted by Robert Herndon:

Interesting...I have seen Top Fuel Funny Cars in my friend's shop putting 2000 horspower to the rear axle with Kendall Petroleum-Based 85w140...Robert


How hot would the gear oil get in 5 seconds?
 
quote:

How hot would the gear oil get in 5 seconds?

good point, although it could get pretty warm with 2000+ HP going through it.

Neo's RHD was a revelation in road racing in the late eighties as open wheelers (F1, Champ Car, F3000) and Sports Cars were able to go up to a season on a Crown Wheel and Pinion instead of replacing every meeting. From what I've been told, the mineral based heavy duty fluids from the likes of Shell, Castrol and smaller specialist blenders like SWEPCO were able to take the loads fine with their excellent add packs, but over an extended period of heat and abuse, particularly in the 12 and 24 hour sports car races, they started to degrade, some much faster than others.
 
Some Nissan Sentra SpecV owners use Red Line's lightweight shockproof oil in their 6-speed transmissions ... a notoriously picky, grunchy transmission with (claimed) success.

Me? I'm sticking with SpecForm MTL-P.
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--- Bror Jace
 
tdi-rick: Lots of WRX (and other Subaru) guys use it here, too. They say it really helps the finicky synchros/shifting of the Subaru 5-speeds. I've never used it; I have MTL-R in now.
 
I used Shockproof lite in my Sentra SR20 car and it made the transmission feel like butter and no missed shifts. Of course, poly shifter bushings helped a big too
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but that shockproof is good stuff. I am going to use it in my FWD Mazda 626 V6 5spd asap.
 
RedLine SuperLight Shockproof = 75w-90
Lightweight Shockproof = 75w-140
Heavy Shockproof = 75w-250

Just checked the shelf :-P

Also, 1qt Superlight and 1qt MTL + heat = greenish gearbox oil.

-JamesW
 
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