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basic header shoot out
Here is the newest Motor Trend power test video dyno'ing the difference between cast manifolds, short, and long tube headers.
because you needed a distraction...
https://www.youtube.com/watch?v=Y7_lSU3D0jw
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Steve
1971 GMC Longbox. Full Roller Stroker 489 w/ FiTech EFI, Chris Straub Cam/NV4500/205/D60/14B w. Grizzly Locker and 4.11's. 2" Lift on 33's
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