04-13-2008, 05:49 PM
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CC Member
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Join Date: Jul 2007
Location: Detroit Burbs,
MI
Cobra Make, Engine: Former owner of SPF#2632
Posts: 257
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Not Ranked
Hi Jay - I just documented all of my spec's for Roush as they asked the same question. There is no dot on the carb at all (and I looked all over). The motor was built in October 07. Cold Idle = 1600 Hot Idle = 1000 Initial Timing=14 Deg Timing @ 4000 = 31 Deg Manifold Vacuum at idle = 13-14. Altitude = 700 MSL
Edit - I am fairly certain the root cause is the accelerator pump as the hestiation is immediate when giving it just a bit of throttle. After the stumble it runs great.
Last edited by ekrupa2; 04-13-2008 at 05:51 PM..
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