You can do it with basic hand tools but your timing isnt going to be very accurate...
Your best off trying to get you hands on a dial indicator, if not the proper one, you can make a holder for any 'long' dial indicator using an oil pan plug. search around for info on that
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97 Ram 2500 / 5.9ctd /NV4500/241DHD
Custom Intake Tube+ BHAF, Pump Tuning, Autometer Pyro and Boost gauges, Dual 4" stacks, 33x12.5 Mud terrains, posi-lok, One Hella sound system, tons more to come
