a friend of mine put in the LT4 kit and a shift kit at the same time and he was stripping the water pump gear off twice a summer then he smartened up and took some advice and went with the gm perf. parts "Heavy Duity" timeing chain and gears and he hasnt had a problem sence. if you get the hot cam too im pritty sure you have to change the timeing assembly over anyway i know if you have a 94 you have to buy a 95 or up cam or the "Hot Cam" because their is a pin on the frunt that is not the same
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