Hi Ed,
This selector guide
http://www.holley.com/HiOctn/ProdLine/Products/FMS/FMSC/StLegal.pdf
Indicates their part number 1-191, rated at 450 CFM, for street applications
to 1961-67 Ford V-8's.
http://www.holley.com/HiOctn/ProdLine/Products/FMS/FMSC/StLegal.html
It doesn't seem to say anything about the 4160 being out of production.
http://www.holley.com/HiOctn/ProdLine/Products/FMS/FMSC/FMSC.html#Universal
Lists part # 0-8007 as a 390 CFM four-barrel model 4160 with side-hung
floats and vacuum secondaries, and part# 0-80507-1 as the 4150 HP "race"
model - it's got manual secondaries and center-hung floats. The 0-8007 has
an optional center-hung float bowl kit. I would think that would be the best
street/autocross combination - vacuum secondaries for no-bog operation, and
center hung floats for no starvation or flooding in corners.
Theo
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