GRUMPY??? Are there any differences between the Holley 4150 and 4160 series carbs?
here they explain it well
4150
4160
http://gottafishcarburetors.com/CFM Formula.html
http://wallaceracing.com/intakecfm.php
https://www.youtube.com/watch?v=L39HI8qW59E
https://www.youtube.com/watch?v=P7GX82ljmxg
http://garage.grumpysperformance.com/index.php?threads/calculating-ideal-port-size.624/
http://garage.grumpysperformance.com/index.php?threads/carb-intake-manifold-engine-flow-rates.10194/
http://documents.holley.com/techlibrary_selecting_a_carburetor.pdf
http://www.wallaceracing.com/intakecfm.php
as with most subjects a few dollars spent on related reading material is money well spent
http://www.amazon.com/Holley-Carburetor ... lley+carbs
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