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Drill Mod.

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Old Apr 28, 2003 | 06:00 PM
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Default Drill Mod.

What exactly is it inside the hyd line that causes a slow in the flow of hydraulic fluid? All year M6 LS1s have it do they not? I am always outrunning my clutch, and it feels to be the delivery system and not my timing, so I was considering doing this if it is not much trouble.
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Old Apr 28, 2003 | 09:11 PM
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Default Re: Drill Mod.

There is a restrictor inside plastic line just b-4 the slave cylinder coupling. Do a search or go to insall university & look it up. Just drill slow not to generate to much heat it will melt the line.
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Old May 2, 2003 | 02:28 PM
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Default Re: Drill Mod.

What exactly is it inside the hyd line that causes a slow in the flow of hydraulic fluid?
A physical blockage of the passage. The metal fitting at the master cylinder end is reduced from ~1/8 down to ~1/16 (this may vary by year.)

All year M6 LS1s have it do they not?
To answer your question, yes. It goes back to third gens, which began using hydraulics in 1984.

It is required for the clutch to work "correctly." You wouldn't install a shock absorber on mechanical linkage to slow down clutch release or apply, and you don't want to drive your car aggressively at alllllll if you haven't done the drill mod. Your synchros will thank you.
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