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i have a 89 power ram 50 with 2.6 g45b motor 4wd... cant seem to find anything for g45b just g54b i am currently haveing problems with valve noise to the rear of the valve cover so i might be looking for a new head or valvetrain parts and need to know the interchangeablily to g54b... and i havent taken off valve cover yet but i think its a hydraulic with jet valve system???? id prefer mechanical so i can adjust the valves myself any ideas?
your truck has a g54b - there was never a g45b in any mitsu truck I have ever seen. The valve train noise is most likely the hydraulic lash adjustors - you could either replace them or try using one quart of Rislone in place of 1 qt of motor oil at the next oil change - it is a super detergent to clean out gunk and sludge slowly unlike 5 minute motor flush which is a quick clean out and not advisable on older high mileage vehicles. You could swap out the hydraulic rockers for mechanical ones if you can find them - they are getting scarce and are not cheap, and require different rocker shafts to work