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From: um, a house
"WARNING! This DIY will make your car less idiot proof (and potentially dangerous), especially if you let someone else drive your car who doesn't pay attention to detail... or if you have kids that may have access to your car keys and want to press that fancy candy like red button (the button that would otherwise be overrided by the clutch interlock switch). Do this at your own risk and understand you're removing a safety feature from your car.
Why you would want to do this:
it reduces wear on the thrust bearings/washers during start up that can ultimately lead to crank walk - especially if you have a higher sprung pressure plate such as the ACT setup. If you switch your car off frequently at lights to save gas <OR AT AUTOCROSS> - this will greatly reduce start-up wear caused by thrust loads created by otherwise needing to push the clutch in to start your car."
darcy
Joined: Sep 2012
Posts: 267
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From: Toronto
The clutch interlock bypass is something I prefer personally as I can start the car for autocross without being in the car- less in and out and wear on the seat bolster. It is a risk if you let anyone else drive your car or take your car to a mechanic. YMMV.
"WARNING! This DIY will make your car less idiot proof (and potentially dangerous), especially if you let someone else drive your car who doesn't pay attention to detail... or if you have kids that may have access to your car keys and want to press that fancy candy like red button (the button that would otherwise be overrided by the clutch interlock switch). Do this at your own risk and understand you're removing a safety feature from your car.
Why you would want to do this:
it reduces wear on the thrust bearings/washers during start up that can ultimately lead to crank walk - especially if you have a higher sprung pressure plate such as the ACT setup. If you switch your car off frequently at lights to save gas <OR AT AUTOCROSS> - this will greatly reduce start-up wear caused by thrust loads created by otherwise needing to push the clutch in to start your car."
darcy
"WARNING! This DIY will make your car less idiot proof (and potentially dangerous), especially if you let someone else drive your car who doesn't pay attention to detail... or if you have kids that may have access to your car keys and want to press that fancy candy like red button (the button that would otherwise be overrided by the clutch interlock switch). Do this at your own risk and understand you're removing a safety feature from your car.
Why you would want to do this:
it reduces wear on the thrust bearings/washers during start up that can ultimately lead to crank walk - especially if you have a higher sprung pressure plate such as the ACT setup. If you switch your car off frequently at lights to save gas <OR AT AUTOCROSS> - this will greatly reduce start-up wear caused by thrust loads created by otherwise needing to push the clutch in to start your car."
darcy
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Joined: Jul 2014
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From: Chesterfield VA
You'll change your recommendation on bypassing the clutch start safety right after you put the car thru the garage wall or into a parked car. 
Throw out bearing wear is so insignificant as to be meaningless. No denying it's there and measurable with laboratory instruments.
-- Chuck
Throw out bearing wear is so insignificant as to be meaningless. No denying it's there and measurable with laboratory instruments. -- Chuck
Joined: Aug 2010
Posts: 4,370
Likes: 437
From: um, a house
You'll change your recommendation on bypassing the clutch start safety right after you put the car thru the garage wall or into a parked car. Throw out bearing wear is so insignificant as to be meaningless. No denying it's there and measurable with laboratory instruments.
-- Chuck
Throw out bearing wear is so insignificant as to be meaningless. No denying it's there and measurable with laboratory instruments.-- Chuck
darcy
Joined: Oct 2015
Posts: 27
Likes: 5
Skimming this quickly I thought Darcy meant the clutch delay on the AP2s. Not sure I have the term exactly right but it slows the clutch release to reduce the impact on the gearbox of extremely fast, hard shifts. Has anyone with an AP2 disabled the clutch delay? Was it worth the effort in your opinion?