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**kwmech** · 07-13-2021, 07:14 PM

My question would be---are headers really needed? I get a pretty good flow out of my cast irons into a single 3'' semi built 454 nothing radical, 30 over flat tops 9-1 compression 268 cam. engine screams

07-13-2021, 07:14 PM	#4
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,391	Re: 454+headers+A/C brackets? My question would be---are headers really needed? I get a pretty good flow out of my cast irons into a single 3'' semi built 454 nothing radical, 30 over flat tops 9-1 compression 268 cam. engine screams