Quote:
Originally Posted by -Im.z2ight-
Sorry for the new guy question but whats the bonus of going zl1 diff?
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Unless you have the power to destroy a standard diff or axles... Not much except extra weight.
The ZL1 differential is about 70lbs heavier. It is cast iron and has a much larger ring gear. The axles are larger in diameter and are designed to reduce wheel hop. The Zl1 diff has a much tighter clutch pack. So for me a trutrac or posimod wasn't needed. Also the extra weight is in a great location to help me hook up. The ZL1 has a built in oil cooler if you choose to use it. The stock ZL1 pumps transmission fluid through the differential cooler to help keep it cool for track use (fluids don't mix)
In short it is bigger, heavier, and stronger. If you need stronger then you need it or a similar solution. If you don't need stronger, then it is not for you.
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2014 L99 2SS. 595HP/571ft-lbs
Mods: LSA Conversion 2.5" Upper Pulley, 65# injectors, GPI SS1 Cam, SP Long Tubes, ADM Race Scoop & CAI, NPP exhaust (DIY control), BMR 1" lowering springs, ZL1 Rear Differential / Axles, CF Side Strip / Hood Spear, Tint - Windows / Tails / Sidemarkers, Splash Guards, ADM Boost Gauge, ABL Dashkit, '68 Script Badges, ACS T4 Splitter, ZL1 Rockers from Gary's, Z28 Spoiler, Carbon Fiber Hood Vent, Summer - MRR FS01 Satin Black (10" Front 11" Rear) Winter, pictured-Drag DR 64's Satin Black (9" Front-10" Rear.)
