Im just a bit curious but Is there a difference between a 3S-FE's Head and a 5S-FE's head, the 5S-FE is supposed to be a stroked version of the 3S-FE but when looking at a 3S-FE the valve cover and other components look different from a 5S-FE's and most forums list the 3S-FE as having more HP and being able to rev higher, I suppose since its a smaller Displacment it would be able to rev higher but would that alone give it more HP?
Is there a difference between a 3S-FE Head between a 5S-FE Head - 6G Celicas Forums
Not sure, the 3sfe was found in the camry before 92 and those engines are more economical than stronger.
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