So I'm rebuildin my injectors doin plunger and barrels and nozzles all the way around I've got 273k and when cold unless plugged it will not start whole gp systems new batt starter and alt, ran a click test electronically almost perfect everything passed good compression so my miss MUST b either worn out p&b or nozzle so I'm gonna knock both out with my taxes with that said any tips on dissassembly of injecters themselves?