rear end and axles - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Duce69 · 07-20-2016, 09:17 AM

Morning everyone,

what is the max amount of power a stock rear setup can handle before breaking. does an upgrade need to happen with a slightly modded 2j swap (550hp)?

FRS Justin · 07-20-2016, 10:02 AM

Im pushing 710 with no problem yet. Don't fall for the you need all this crap sales pitch.... I should clarify I run dss axles and a stock diff. I broke axles when I was N/A if that tells you how crappy they are.

Ross · 07-20-2016, 10:21 AM

Have a customer currently that has been through a couple of diffs on his low power tune. Stock diff bushings and sub frame bushings could have aided in the issue. We will be modding a sub frame to put a Ford 8.8" in it. Feel stuffing a modular 9" could be less less then cost effective. Car runs 275 rear tires and hooks from second gear on.

07-20-2016, 09:17 AM	#1
Duce69 Yes im sure im a T-rex Join Date: Jul 2016 Drives: scion - frs Location: bahamas Posts: 2 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	rear end and axles Morning everyone, what is the max amount of power a stock rear setup can handle before breaking. does an upgrade need to happen with a slightly modded 2j swap (550hp)?

07-20-2016, 10:02 AM	#2
FRS Justin Senior Member Join Date: May 2014 Drives: 2013 Asphalt FRS Location: San Antonio Posts: 994 Thanks: 693 Thanked 695 Times in 417 Posts Mentioned: 22 Post(s) Tagged: 1 Thread(s)	Im pushing 710 with no problem yet. Don't fall for the you need all this crap sales pitch.... I should clarify I run dss axles and a stock diff. I broke axles when I was N/A if that tells you how crappy they are. __________________ Instagram FT86PROJECT9S Facebook FT86PROJECT9S 710whp

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07-20-2016, 10:21 AM	#3
Ross Senior Member Join Date: Jun 2013 Drives: 85 corolla gts Location: Chesapeake , Va Posts: 361 Thanks: 17 Thanked 177 Times in 110 Posts Mentioned: 26 Post(s) Tagged: 0 Thread(s)	Have a customer currently that has been through a couple of diffs on his low power tune. Stock diff bushings and sub frame bushings could have aided in the issue. We will be modding a sub frame to put a Ford 8.8" in it. Feel stuffing a modular 9" could be less less then cost effective. Car runs 275 rear tires and hooks from second gear on.

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