How do the RPM/ PI/ CJ/ Streetmaster height manifolds fit in the '66? Air cleaner change? I haven't decided for sure, but I'm probably going to put one of my stroker 427's in the 428 car, or stroke the 428- intake looks like the only problem- even considering an EFI kit. I also have a Port-O-Sonic, which looks a little shorter than the others
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