well ive already got the 4.56's just not installed yet. with a 37" it should make it pretty close to stock rpms.
1996 gmc ext cab short bed 6.6L 4l80e MY GARAGE
Originally Posted by 567234ta well ive already got the 4.56's just not installed yet. with a 37" it should make it pretty close to stock rpms. let me have them so I can run them with my 33's lol
Let me tell you what Melba Toast is packing here allright............
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