09-03-2014, 09:40 AM
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CC Member/Contributor
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Join Date: Feb 2000
Location: Greenville,
SC
Cobra Make, Engine: 70 Shelby convertible, ERA-FIA, 66 mustang convertible, mystery Ford powered 2dr convertible
Posts: 12,627
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Not Ranked
Quote:
Originally Posted by RT3_1350
Have 600 miles on #1350 and runs really rich (always has). Starts and idles okay at 1000 rpm to 1100 rpm and choke seems fine. Black smoke at all engine speeds. Dyno shows lack of RWHP (-100) and possible ignition issue? Any folks with this engine and Holley 670 with MSD ignition that have experienced the same. Would welcome any tuning tips you may have. Am in OR so too far from BD for checkup there.
Thanks in advance.
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Get rid of the 670cfm Vac sec and go with a 600cfm DP with four corner idle adjustment for starters.
Bill S.
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