05-26-2003, 02:11 PM
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CC Member
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Join Date: Jul 2002
Location: Rockford MI,
Posts: 55
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Not Ranked
Cam and ignition timing question
I have checked TDC in relationship to the timing marks on the
balancer using a stop in the #1 clylinder, it is right on.
I have not run the engine under load yet. The engine runs the
best with 20 deg. initial and 48 deg. in at 3000 rpm. If I set the
timing at 10 deg initial and 38 deg. at 3000 rpm the pipes get hot
and it belches a little fire from the carb upon shut down. I am sure
it is running a bit rich. I will have new jets and power valve shortly
The cam timing is set in the 3 deg. advance position. Would this affect the timing marks? Am I paying to much attention to the timing mark? Or should I just let the beast run where it wants to?
It is a 460ci, 10.1:1 with alum. cobra jet heads. Cam is a Ford unit with .595 int. .621 exh., .310 and .320 duration and 95 deg.
overlap. I am using a Weiand stealth manifold with a 4150 hp carb
830 cfm and annular boosters. Thanks, Dan
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