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.
Posted. My 04 Chevy 1500 Crew 4x4 with the 5.3 and 3.73 gears is rated to tow 7,700 pounds. After 04 Chevy reduced the towing capacity to 7,400 pounds for both the 3.42 and the 3.73 rear-ends. You can look-up the 2007 Silverado Classic towing capacities on chevy's website, which are the same as 06's.