Re: Knock sensor selection for 383 SBC

["Mark Romans (ICQ#66838770)" <romans@pacbell.net>]

Teflon tape works fine.  I don't actually know if it even dampens the signal
any.  Mine is still very sensitive.  The knock sensor picks up detonation
before I can hear it.
Mark
-----Original Message-----
From: Jim Wilson <Wilson.James4@worldnet.att.net>
To: gmecm@diy-efi.org <gmecm@diy-efi.org>
Date: Wednesday, April 05, 2000 11:04 PM
Subject: Re: Knock sensor selection for 383 SBC


>
>    Mark,
>
>  How well does the teflon tape work on the knock sensor? Will it still be
>sensitive enough to pick up KR before it becomes audible?
>
>                          Thanks, Jim
>
>
>
>
>
>-----Original Message-----
>From: Mark Romans (ICQ#66838770) <romans@pacbell.net>
>To: gmecm@diy-efi.org <gmecm@diy-efi.org>
>Date: Wednesday, April 05, 2000 8:39 PM
>Subject: Re: Knock sensor selection for 383 SBC
>
>
>Hi Dave:  Just use a 350 vet sensor, install it with about 3 wraps of
teflon
>tape on the threads to stock torque, it'll be fine.  Use the teflon tape
>because with roller rockers and added bore clearance it will probably be a
>bit noisier than stock.  Just keep an eye on the knock with diacom and add
>spark where there is no knock and take it out where there is (In the map).
>The best tuning aid is to go to wot at about 600 rpm and tune for no
>detonation all the way to redline.  Then you can work on the part throttle
>stuff.
>Mark
>-----Original Message-----
>From: Dave Zug <dzug@delanet.com>
>To: gmecm@diy-efi.org <gmecm@diy-efi.org>
>Date: Wednesday, April 05, 2000 7:26 PM
>Subject: Knock sensor selection for 383 SBC
>
>
>>It's easy to pick a knock sensor when going from a 305 to a 350 or 355,
but
>>what about a 383?  I was planning on using the stock 350 sensor of coarse,
>>and if I even found some outfit selling a sensor described as "for 383
use"
>>I would be skeptical.  Since the bore is identical, (+.0305") am I wrong
in
>>assuming the 350 sensor is absolutely correct? Do the aluminum heads
>>(replacing stock heavies) sitting on top affect the signature of a knock
>>event enough that a different sensor should be used?  should I find a
vette
>>sensor and (net-res?) from an alum-headed 350?
>>
>>This is a (personal car) '165 MAF (yea, don't say it)  -AUTO 383
>>application.
>>
>>thx for any thoughts.
>>
>>
>>
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