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Old 05-21-2010, 12:21 PM
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jbright33
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Originally Posted by rasteinberger
Does anyone still run Sirio Kanai Evo 4 STI engines? I am having trouble trying to tune this thing and could use some advice. I am running the turbo head button, the standerd needle, and sirio #7 glow plugs. I tried running OS ultra hot #4 turbos and kept fowling them out. The buggy is a Kyosho 777 worlds and I run 30% nitrotane. Right now the engine revs after coming off acceleration. I keep trying to fatten it up with no luck, to the extent of making the engine gurgle from fuel. I was a fool and did not check the original specs on the carb before I began changing things. I used to run a EVO 3 and did alright, just wanted an update.

Please Help.... I need it, lol.
first check you idle gap could b open to far but sounds like air leak. check the carb boot make shure there isnt a hole in it. make shure its not leaking around the card and last and most $$$ is front bearing
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