Before throwing speed parts at this clapped out 71' Dodge Charger we gotta baseline this thing

Last time you saw me force this pile back to life getting its wore out 383 to breathe fire again. this time i want to see how slow is slow...before making speed happen in the hunt for budget 12's junkerupgarage.com for merch redhorseperformance.com for your plumbing needs coldcaseradiators.com use code "junkerup" for 10 percent off/free shipping autometaldirect.com for quality oem fit panels howardscamshafts.com for that mopowaaa feeling lugnutguys.com use code "use code junkerup" for free shipping pypexhaust.com for quality exhaust use code "junkerup" 10 percent off