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Under the radar
Join Date: May 2007
Location: Fortuna, CA. On the Lost Coast near the Emerald Triangle
Posts: 7,129
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Two ways to know if you are on TDC #1 firing. When rotating the motor watch the intake valve. After the intake valve opens then closes that cylinder will be approcing TDC firing. Or at TDC check to see if both the intake and exhaust valves have clearance. That would be TDC firing. On TDC overlap they will be tight.
Valve clearance is .1mm on both, assuming stock cams.
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Gordon
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'71 911 Coupe 3,0L outlawed
#56 PCA Redwood Region, GGR, NASA, Speed SF
Trackrash's Garage :: My Garage
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