The charecteristics between the regular shocks and L shocks are shown in Beowulfs rule of Thumb up front and are repeated here:
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OME shocks (in mm's)
............. Open ......... Closed
............ length ........ length
N70 ......... 614 .......... 354
N71E ........ 620 .......... 370
N74E ........ 620 .......... 370
N73 ......... 614 .......... 354
N73L ........ 667 .......... 387
N74L ........ 667 .......... 387
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When do I need to change to the L Shocks? and when do I need to change to extended brake lines
Quote:
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Originally Posted by Tools R Us
The L shocks will allow more suspension droop, recommended with 3.5"+ lift. I ran Ls in the rear with 863s, liked the extra flex with that setup. On my unloaded truck Js netted almost 5" over stock in the rear and 3.5" in the front.
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A great discussion going back and forth on L vs Reg OME shocks, bump stops and other factors can be found
here