knock retard

[wayne johnson]

The engine doesn't seem to have any noise.
 When I get hame from vacation, I will disconnect the knock sensor and
see what happens.
Maybe the exhaust is causing a different knock signature???


>Are you sure you don't have a small mechanical problem?  A noisy 
>lifter, loose piston,
>loose rod bearing?  Have you tried pulling the knock sensor wire?  
>This may set a trouble
>code.  Found that out when I left mine off by mistake the other day.
>
>Joe Boucher
>'70 RS/SS Camaro  '81 TBI Suburban
>
>
>> From: flying.monkey at juno.com (wayne johnson)
>> Date: Wed, 23 Sep 1998 21:51:33 EDT
>> Subject: knock retard
>>
>> Guys,
>>  Can some of you help? I have just begun to log data with Diacom on 
>a 89
>> TPI vette and I'm seeing around 15 deg. retard at approx. 3500 RPM.
>> Timing is set at 6 deg. BTDC and Chevron 93 octane gas is used. This
>> seems like a lot of retard??
>> The car does have dual pipes w/o cats, ADS off road prom, 160 deg.
>> thermostat, opened air filter lid, K&N filter, TPIS airfoil and TPIS 
>MAF
>> sensor.
>>  If anyone is interested in having a look I can send the diacom 
>file. Any
>> tips or things to look out for would be appreciated.
>>
>> Wayne Johnson
>>
>> 
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