Red Line Heavy ShockProof Gear Oil – 1 Quart Bottle Review

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This heavy duty shockproof gear oil is for use in splash/wet-sump transmissions and differentials & retails at approximately $18.95 for a one quart bottle (excluding shipping).

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Pros

• Cooler for your engine
• Enables smoother gear shifts
• Improved power transfer
• Reduces ‘whining’ gears and shock loading

Cons

• CaliforniaProposition 65 warning
• Use with coolers, filters, moisture and pumps can result in blockages
• Its extreme slipperiness makes it unadvisable for most synchro applications

This product guarantees many years of reliable extreme performance. Compatible with conventional and synthetic oils, it enables lower friction & a higher load carrying capacity than conventional gear oils.

Red Line Heavy ShockProof Gear Oil – 1 Quart Bottle 1000w Review

Are you a pro fuel dragster looking for a high performance gear oil? In this article we’ll review the Red Line Heavy ShockProof Gear Oil that can take your gears to new heights.

This product has been specifically designed to enhance and extend your overall driving experience. It’s a synthetic lubricant which provides unequalled protection for heavily loaded racing differentials and transmissions. To learn more about how synthetic oil is made,watch this video.

Who is this Product For?

Recommended for circle track, drag racing, off road racing, road racing and other splash or wet-sump applications, this product can be used in conventional, limited slip or locker differentials.

Numerous performance or speciality racing applications such as Dirt Late Model, Midget and Sprint, Detroit Lockers & spools, Funny Car rear ends, NHRA Top Fuel & Quick Change differentials can all benefit from using this product.

Red Line Heavy ShockProof Gear Oil is suitable for many applications including the Evo 7/8/9 rear diff and transfer case. As its name suggests, this product is shockproof, can withstand intense driving and is recommended for drag racing & street use. It assists drivers with heavily loaded racing differential and transmissions as well as problematic gearboxes.

This synthetic oil is made to enhance horsepower and increase both on & off road performance. If you’re wanting to protect and prolong your vehicle’s gears, this product’s for you.

What’s Included?

This item has been designed for wet sump transmissions and differentials with splash lubrication. It acts as the ultimate guard while improving the efficiency of differentials. It exceeds API GL-5 specifications and enables better mileage, less wear & tear & longer drain intervals.

A one quart bottle of Red Line Heavy ShockProof Gear Oil contains essential components to provide thorough protection under intense pressure for your racing or road vehicle. The friction modifiers assist with offering appropriate limited slip functionality.

The completely synthetic formulas made from polyol ester base stocks lubricate your gears under ultimate conditions. The ester base stocks and friction convertors reduce sliding friction in hypoid gears, which offers extra slipperiness when running under cooler temperatures.

A high viscosity-index (VI) delivers fairly consistent viscosity and film thickness in changing temperatures. This bottle can be shipped and a manufacturer’s warrantee requested from customer service.

Overview of Features

Functioning as a liquid grease the distinctive lubricants in this synthetic gear oil contain solid microscopic particles which support intense pressure. A two in one offering, the perfect balance of low drag and superior high gear teeth protection can be achieved.

What makes this product stand out from other synthetics and conventional gear oils is its higher power transfer, superior shear stability & reduced oxidation. It boasts the lowest coefficient of friction available—a 40% lower friction factor—and 250% of the load carrying capacity than conventional gear oils.

Red Line Heavy ShockProof Gear Oil features more viscosity at higher temperatures which resists throw off and prevents metal to metal contact. This provides low viscosity in colder conditions for less drag and friction. It reduces the thinning effect of higher temperatures and cools your engine by reducing temperatures between 25°F & 75°F.

This product can be graded as 75W250 gear oil. It provides a thicker film of oil greater than an SAE 75W250 between the gear teeth’s thin layers—up to three times the viscosity—with the lower internal fluid friction of a 75W90 gear oil. Tooth breakage avoided and the softening effect allows use of lighter, lower viscosities with little loss in long term functionality under intense pressure.

How to Use This Product

It’s possible to put this Heavy ShockProof Gear Oil in your differential without cleaning out the old conventional gear oil and vice versa. Make sure you drain the old gear oil first before adding the new gear oil. The same applies for when you decide to remove the new oil.

For Evo 7/8/9, use one bottle for the transfer case fluid change and one bottle for the rear diff fluid change. Adjust the quantity as needed.

For best performance, it’s advised that you follow the manufacturer’s recommendation in your vehicle owner’s manual before you proceed.Watch thisvideo to see how a transmission Red Line gear oil change is done in a Nissan Skyline GTR R32.

Alternatives

If you have a problematic Nitro Drag Race vehicle, an excellent alternative to the Red Line Heavy ShockProof Gear Oil is the Red Line 75w-140 Gear Oil.

This gear oil is suitable for vehicles like the Mustang, F-150, Tundra, Sequoia, Cherokee and Dodge Ram. No additional friction modifiers are required and suitable for most LSDs.

This gear oil isn’t designed for use in most manual transmissions or transaxles as it may cause synchronizer issues and shifting problems.

Its recommended use is for API GL-5, GL-6, MT-1, MIL-L-2105E and SAE J2360.

Conclusion

Overall the Red Line Heavy ShockProof Gear Oil is a no brainer for a drag racer who wants to top their performance. It’s a popular ShockProof product with numerous benefits.

Replacing gear oil can be easier than you think, to prolong the life of your gears and vehicle. Are you going to purchase this product as many other smart drivers have?

Last update on 2021-01-24 / Affiliate links / Images from Amazon Product Advertising API