LAJones48, is your manifold a dual plane? I assume it is if it is a Performer series. If it is only drilled for a square bore, the Q-jet would need an adapter and would probably not be the best option. If the manifold is a 2101, it is drilled for both square bore and spread bore.
1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
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