Ok thanks pat ! i dont know much about blowers pat . this is my first . the guy at the machine shop advised me to oring it . i guess hes not up to par ! he also put the heads on so im not sure about the gaskets being hard or dead soft as you say . i don,t know about the hylomar either ? what is hylomar ? so should i put head gaskets in oven or light them on fire or something then put them in cold water to make them dead soft ?you also said to use sewing thread around water holes how do you do this? im lost on this i will have to have a talk with him . also the blower is not striped not to sure about the lined teflon probably not . i got blower setup on a go deal altogether with carbs pulleys intake belts yattayata ! $2200,00 . i really apreciate any help you can give me !!!! also this is the pulley setup that cam with the deal . maybe you can tell me about what boost it would put out if i swap pulleys the other way i think its 12% underdriven now it put 5 pounds of boost , thanks again !!!!