oldschool88vert New Member Sep 1, 2006 41 0 0 lafayette, la. Sep 3, 2006 #1 Sep 3, 2006 #1 i want to upgrade the 85 mph speedo to an aftermarket speedo that reads higher. whats necessary to calibrate the upgrade? i have an 88 5.0 convertible.
i want to upgrade the 85 mph speedo to an aftermarket speedo that reads higher. whats necessary to calibrate the upgrade? i have an 88 5.0 convertible.
N noslow1986 New Member Mar 25, 2006 274 0 0 oswego Il Sep 3, 2006 #2 Sep 3, 2006 #2 brothers performance parts might still do it u have to send them ur core if not try ebay they always got something
brothers performance parts might still do it u have to send them ur core if not try ebay they always got something