650 holler spread bore v rochester

jessie169, Mar 21, 3:16pm
can anybody tell me if a spreadbore will fit straight onto a 400 pontiac engine with out a adaptor plate!.its got a rochester on it at the noment but its gettin a bit sad.std manifold on engine as well.

hydraline, Mar 22, 2:10am
Straight bolt on Yes it will fit but it may pay to have the holley kitted first

xacoon, Mar 22, 6:01am
or better still kit the rochester. whats wrong with it!