Astigmatism is typically easy to correct with eyeglasses or contact lenses, depending on the degree of corneal curvature. Astigmatism and Contact Lenses. All too many people think that contact lenses are not for astigmatism or that just gas permeable contacts (GPs, RGPs) can correct astigmatic conditions. Not true.stigmatism is typically easy to correct with eyeglasses or contact lenses, depending on the degree of corneal curvature. Astigmatism and Contact Lenses. All too many people think that contact lenses are not for astigmatism or that just gas permeable contacts (GPs, RGPs) can correct astigmatic conditions. Not true.
Your rocker arm studs are likely pressed in and the pushrods are factory as well as the rocker ratio. Where people may see a horsepower increase is when they go from 1.5 ratio rocker arms to 1.6. Which gives them a bit more flow on the exhaust and intake because of the higher valve lift. have stamped steel arms on there now and i was wondering how much power i would gain. Source(s): horse power roller rocker arms add 350 small block chevy: https://biturl.im/PMEgS. Nela Â· 2 months ago. Thumbs up.
1 Performance Programmer Recommendation for a 2011 Chevy Silverado with 5.3 Liter Engine. 2  To me, the best bang for the buck is going to be the Bully Dog Triple Dog, # BY40410GMC. 3  It can add as much as 35 horsepower and 40 foot pounds of torque. We do have a product that will help increase the torque and horsepower of your 2003 Chevrolet Silverado 1500 6.0, but the Edge Insight CTS # EP84130 is not equipped to do that as it is not a performance-enhancing device.