WHAT DIFERENCE IS IT GONNA HAVE TO MY 1967 PONTIAC GTO BY BECOMING DIFFERENT STRANGE VALVE SPRINGS TO DERRICK CAM ONES?

Drift Mania Round 2 2009-207, Pontiac GTO Image of Drift Mania Round 2 2009-207 Wallpaper What diference is it gonna have to my 1967 pontiac gto by becoming opposite strange valve springs to derrick cam ones? Hi…Well i have a 1967 Pontiac gto, 400… So it is not stock….i have a dif intake…..carbs……valves as well [...]

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