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Old 10-14-2009, 09:39 PM
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SBC 355 Timing Question

I have finally installed the 355 sbc in my 74 Nova. It's a mild rebuild 9:1 compression, 882 heads, comp cam dual pattern 427/ 454 lift, edelbrock performer intake w/ edelbrock 600 cfm carb. HEI, jegs ceramic coated headers with 2.5" dual exhaust. What would be a good point to start at with base timing? Where should I start with total timing? It will be a street cruiser, just want the most go without effecting reliability. Thanks, Richard

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Old 10-14-2009, 09:43 PM
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Base timing: 12 degrees before top dead center with vac advance disconnected and plugged. Lock distributor, reconnect vac advance to a manifold source (any source that pulls vacuum full time, even at idle) recheck timing, it should be 20-24 degrees. 36 degrees total past 3000 RPM is the common.
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