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What's to understand it's that you've made a wacky claim and offered *nothing* to back it up.
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Originally posted by Wanganstyle View PostI have a great example for you of a failed REM gear
Did it have a crack before hand? Was the batch misprocessed? Did the operator have a bad day? Was it exposed to higher than typical loads the day it failed? Was it exposed to higher than typical loads some time before it failed which set the failure process in motion?
The reason humans have to be taught root cause failure analysis is that they're naturally lousy at it.
Originally posted by Wanganstyle View PostThe factory street car Oem gearsets are chemically treated; the outer surface is harder than the inner. When you remove this the gears are not as durable anymore; it lost the nice surface and also material has been removed from the gear faces in polishing.
So tell me again how a .00005" REM polish eats away case hardening at least 100 times that thick.
Originally posted by Wanganstyle View PostIf you have never heard of WPC I suggest you check it out; it doesn't remove material and is factory in many high end aftermarket applications.
What we're discussing is the harebrained claim that REM causes gear failures.
Originally posted by Wanganstyle View PostMotorsports 210mm gears have been proven to be much more durable than polished old style REM.
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what can be changed on the footwork to suit?
And to be more specific, the PRO3 cars that have gone from a
fully- functioning "fresh" stock LS to the OSG diff have gone faster,
by some large fraction of a second, without any other changes.
I haven't gotten around to trying the same experiment with a
welded diff yet...
t
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Sorry to break into the middle of your argument but if someone could enlighten me on these questions I'd be very thankful.
Originally posted by Skarpa View PostDigging up this thread for a couple of questions.
1. How would a diff with four discs (mild material), no preload and stock ramp angles perform?
2. What is the correct method of setting up non-springed lsd? How is the shimming done and what is the tolerance for free play in the stack? Will heat expansion cause the diff to lock more easily?
I'm pondering on a lsd setup for my car: Stock, 2 discs with added preload, 3 discs or four discs. I'm going on a budget so I think I'll try to avoid regrinding ramp angles. The diff is fora N/A street car with about 250 hp and 300 Nm. Mostly daily driver with possible occasional abuse. No track.
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There are just sooo maaaannnyyy holes in your apparently simple statement that my response was the most appropriate.
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Top speed by Wanganstyle; LSD Diff Puzzle thread; ask me to spill beans here!!!
Originally posted by TobyB View Post...and the PRO3 cars that put the OS Giken diff in seem to lose most of a second a lap,
pretty predictably.
One data point,
t
That's fine; the GTS cars here gain about half a second to a second.
It's all in the setup; we don't have pro3 here in NorCal; what can be changed on the footwork to suit?
Sent from my iPhone using TapatalkLast edited by Wanganstyle; 06-04-2016, 03:23 PM.
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Originally posted by Wanganstyle View PostREM polishing is worthless. Causes increase in tolerance and fractures from gear cutting root;
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...and the PRO3 cars that put the OS Giken diff in seem to lose most of a second a lap,
pretty predictably.
One data point,
t
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