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well here it is i also have a 89 s15 jimmy with a 4.3 liter and i had it rebuilt from newer parts from a 2000 4.3 liter and internals are brand new and here the question i know there's 9:1 ratio in the newer engines but not the old ones but just wanted to know since i put a 2000 4.3 liter can i super charge it without having to mess with anything internal ore will i this very confusing to me would appriciate any feed back. thanks allot
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