WebNov 18, 2011 · Buy some 5.3 casting heads for $50-100 put the bigger valve 2.0 from the ls1 heads in your 5.3 casting heads then mill them to gain compression. Benefit of this is more compression,great flow,no increase in runner size so theres no loss of air speed or lowend torque. big valve 5.3 heads for cheap with added compression. WebJun 30, 2024 · Turn the engine off. Remove the spark plug cables from the plugs. First number each cable with a bit of masking tape so you can replace them in the proper …
5.3L LS Engine Guide: Block Specs, Swap Resources & Build Info
WebFeb 15, 2024 · The 5.3-liter V-8 gasoline engine in the Chevrolet Silverado produces 355 horsepower while the enhanced 5.3-liter Ecotec3 technology achieves 23 mpg on the … WebCompression Calculator Simply fill in the form below to calculate your compression ratio Bore: (diameter) in. mm Stroke: in. mm Cylinder Head Volume: cc in. Effective D. Welcome Guest My Account Order Status Wishlist (866)762-7527. Products. Air & Fuel Delivery ... 1964-1967 GTO GM A-Body; aravinthan kunju raman
01 Silverado Compression Test Complete GM Truck Club Forum
WebOct 17, 2010 · 8,697 Posts. #2 · Oct 17, 2010. It is generally accepted that the engine compression should be as high as possible after 2-4 complete revolutions, but getting high numbers after the first or second revolution is great as it indicates very good ring seal. It is also imperative you check comp. with engine at normal operating temperature so ... WebApr 27, 2024 · BTE is decreasing with increase in the engine speed (rpm), due to the poor air–fuel ratio at higher speed, which results in the lower combustion rate for the test fuel. The BTE value for diesel at 1200, 1400, 1600, and 1800 rpm was 15.07%, 14.48%, 14.30%, and 13.96%, respectively. WebNov 6, 2011 · Thread: FS - 4.8 Pistons for a high compression 5.3 build. Subscribe / Thread Tools. Show Printable Version; 11-06-2011 #1. GeoffP. View Profile View Forum Posts View Articles PT Garage BETA Tester Join Date Jan 2006 Posts 1,745 Country Flag: FS - 4.8/5.3 parts for sale Pistons, rods, cranks, blocks aravind tungaturti