# KA24E pistons in KA24DE, the good and the bad ?

**URL:** <https://forums.speedlife.net/t/ka24e-pistons-in-ka24de-the-good-and-the-bad/85634>\
**Category:** SON240sx Automotive\
**Created:** [May 11, 2005, 12:41pm UTC](https://forums.speedlife.net/t/ka24e-pistons-in-ka24de-the-good-and-the-bad/85634 "2005-05-11T12:41:03Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![redpotatoes](https://avatars.discourse-cdn.com/v4/letter/r/ecae2f/32.png) [@redpotatoes](https://forums.speedlife.net/u/redpotatoes)\
**Post date:** [May 11, 2005, 12:41pm UTC](https://forums.speedlife.net/t/ka24e-pistons-in-ka24de-the-good-and-the-bad/85634/1 "2005-05-11T12:41:03Z")

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I would like to know if anyone did that and what where the differences that it made. Aslo, I would like to know the difference between the cams of S13 in S14 setup. What I mean is what setup does what, 232/248, 240/248,248/248 to goods and the bads ? Thx

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**Author:** ![redpotatoes](https://avatars.discourse-cdn.com/v4/letter/r/ecae2f/32.png) [@redpotatoes](https://forums.speedlife.net/u/redpotatoes)\
**Post date:** [May 13, 2005, 9:04am UTC](https://forums.speedlife.net/t/ka24e-pistons-in-ka24de-the-good-and-the-bad/85634/2 "2005-05-13T09:04:58Z")

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No one knows ?

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**Author:** ![srpwrd](https://avatars.discourse-cdn.com/v4/letter/s/8baadc/32.png) [@srpwrd](https://forums.speedlife.net/u/srpwrd)\
**Post date:** [May 13, 2005, 10:45am UTC](https://forums.speedlife.net/t/ka24e-pistons-in-ka24de-the-good-and-the-bad/85634/3 "2005-05-13T10:45:58Z")

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240/248 are stock s13 cams, but using an s13 exhaust cam on the intake side as well as the exhaust, and making it 248/248, you will lose bottom end, but gain quite a bit in top end.

as far as the pistons go, the sohc pistons in the dohc block will greatly increase the compression ratio… perfect if you want to go all motor… I’ve seen guys pull 180+ whp using the sohc block and dohc head. I’m sure if you wanted to go all motor, 200 whp isn’t too hard to achieve. These 2 mods, i/h/e and a bit of tunning will put you pretty close to that mark.

good luck with it!