Really? That GD HKE shimmed mine. 030".
Really? That GD HKE shimmed mine. 030".
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
to my knowledge shims are used to ensure that the valve spring has the proper load at installed height. Some may need them some may not.
2012 Ford F-150 Ecoboost Super Crew 4x4, stock and staying that way.
2001 chevy green = LS1 stock, 3k stall, 373 posi, tuned by LSX Power in CS TX