I tried to find some on youtube, but couldn't find any

. If anyone knows a link to one that would be great!
Also, does anyone know if these engines can come with a roller cam instead of a flat-tappet?
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1983 Chevy lwb: 400 sbc destroked to 377, comp cams xe 268, Holley Street Dominator Intake, Holley Street Avenger 670 cfm, headers, flowmasters. SOLD
1998 Trans am, mostly stock with magnaflow catback
My build thread:
http://67-72chevytrucks.com/vboard/s...d.php?t=454329