knock retard

[Bruce Plecan]

-----Original Message-----
From: wayne johnson <flying.monkey at juno.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Wednesday, September 23, 1998 10:11 PM
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.

Does the MAF have the screens removed and fins cut out?.  If so
might just try a stock one.  Can you send a bin?.

> 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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