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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
when using 1.7s its like .030 added to the lift so figure .480 plus .030 = 510. i plan on runing my cam which is 494/503 with 1.7s should be around 524/533
the increase in lift between 1.6 and 1.7 rockers is 6.25%, so take the cam lift figure for 1.6 rockers and add 6.25% to it and you'll have the lift with the 1.7 rockers. say the lift with 1.6 rockers is .500", then with 1.7 rockers it is .53125". since the increase is based on a percentage of the original lift, to goes up more as the lift increases so you have to be careful with the higher lift cams that you still have enough piston to valve clearance when you get through.