exhaust port loose
I am working on a rebuilding a s4na. before i pulled the motor it seemed to run fine, accept smoaked like a fog machine.(whiteish) I striped the motor down to the block and notaced the exhaust port itself is loose. Dose that mean i need a new housing? I have 2 spare motors but they are s5na's. I have one torn down and i know i have 1 good housing, and i can probably get a second one from the other motor, once i get that stupid flywheel nut off. I know that if i use s5 housings i would need to use them in a pare, but if i use them can i still use the s4 ecu?
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