Quote:
Originally Posted by rcrahn
I live in NorCal. My project truck (still under construction) has an LQ9 6.0 with 4L80E.
My 1969 Firebird has a 462 (455 .030 over) Pontiac motor with Kaufmann aluminum heads and AED 750 HO carb. Petronix II ignition. I run premium 91-92 octane and use NGK7 sparkplugs. NGK has a large line-up of plugs of various heat ranges depending on your needs. My biggest concern with this Cali crap gas is detonation. So I check my plugs every 1,000 miles. Have also considered installing a wide band Air/Fuel meter from Innovate Motorsports. Other concern if not driving the vehicle daily is the rapid breakdown of the fuel so a product like stabil is a good idea.
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I installed an AFR unit from Innovative and its the best thing I ever did. Dialed in my Edelbrock carb perfect!