# bigger injectors = retuned ecu?

**URL:** <https://forums.speedlife.net/t/bigger-injectors-retuned-ecu/92943>\
**Category:** SON240sx Automotive\
**Created:** [February 16, 2006, 4:48pm UTC](https://forums.speedlife.net/t/bigger-injectors-retuned-ecu/92943 "2006-02-16T16:48:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![matty](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/matty/32/5043_2.png) [@matty](https://forums.speedlife.net/u/matty)\
**Post date:** [February 16, 2006, 4:48pm UTC](https://forums.speedlife.net/t/bigger-injectors-retuned-ecu/92943/1 "2006-02-16T16:48:27Z")

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im considering upgrading to slightly bigger inectors on my ka.

while im here, what size injectors are on a ka-e?

would i ned to tune the ecu to account for the extra fuel?

i know this is a newb question and i aplogize ahead of time.

matt

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**Author:** ![Alex](https://avatars.discourse-cdn.com/v4/letter/a/db5fbb/32.png) [@Alex](https://forums.speedlife.net/u/Alex)\
**Post date:** [February 16, 2006, 5:22pm UTC](https://forums.speedlife.net/t/bigger-injectors-retuned-ecu/92943/2 "2006-02-16T17:22:08Z")

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ka injectors are 260cc i believe. you will need an safc. why do you want to do this? are you going turbo?