Yea It didn't have much if anything to it, I mean u could tell it had a slight idle,but that was it. If u don't ever plan on racing it I wouldn't worry about the manifolds etc, but those shorty's are nice and u can drop the engine in with them already on, And I have some nice 3" down pipes that will bolt right to them that came off my car if interested! also your 71 isn't going to be as heavy as mine was as u don't have those heavy front and rear bumpers etc, Mine was close to 4900 when i first got it so that should help too. Do U have pics of your car?
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Darby
74 Grandville 2Dr 455 c.i 4550#
2011 1.60 60 ft,7.33@94.55-11.502@117.74
2017, 74 firebird -3600 lbs (all bests) 1.33 60 ft, 6.314@108.39 9.950@134.32
M/T 275/60 ET SS Drag Radial
2023,(Pontiac 505) 1.27 60 ft, 5.97@112.86, 9.48@139.31.... 275/60 Radial Pro's
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