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Club G40 Forum

Technical => Engine and Transmission => Topic started by: willsalter1000 on October 03, 2009, 11:10:17 PM

Title: g40 knock sensor bolt hole dimentions
Post by: willsalter1000 on October 03, 2009, 11:10:17 PM
hi, does anybody know the dimentions of the bolt hole which the knock sensor attaches via, eg: diameter, depth, thread pitch etc
thanks
will
Title: Re: g40 knock sensor bolt hole dimentions
Post by: willsalter1000 on October 04, 2009, 10:20:32 AM
anybody?
Title: Re: g40 knock sensor bolt hole dimentions
Post by: Dan on October 04, 2009, 12:10:43 PM
They are an M8 thread. Depth of tapping would probably 2 x diameter (16mm). Face of the lug that is being drilled and taped would need a skim first so it's flat.
Title: Re: g40 knock sensor bolt hole dimentions
Post by: willsalter1000 on October 04, 2009, 09:28:59 PM
thats a great help, thanks
Title: Re: g40 knock sensor bolt hole dimentions
Post by: willsalter1000 on October 06, 2009, 08:37:25 PM
has anybody got any more info about the thread, need to know threads per inch etc
thanks
will
Title: Re: g40 knock sensor bolt hole dimentions
Post by: Dan on October 06, 2009, 08:57:09 PM
You don't measure measure metric threads in threads per inch (TPI) you measure them in mm !

The thread pitch for M8 is 1.25mm
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